CN102355508A - Method, system and gateway for realizing remote communication between client and base station group - Google Patents
Method, system and gateway for realizing remote communication between client and base station group Download PDFInfo
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Abstract
The invention discloses a method, a system and a gateway for realizing remote communication between a client and a base station group. The method comprises the following steps that a border gateway receives a message which is sent by the client through a public network, retrieves a prestored first corresponding relation according to a target IP (Internet Protocol) address of the message, and acquires a private network IP address of a first base station external interface, which corresponds to a private network IP address of a first board module of a first base station, and a public port number of the first board module; the target IP address in the message is modified into the private network IP address of the first base station external interface and a target port number is modified into the public port number of the first board module; and the modified message is sent to the first base station, so that the first base station sends the message to the first board module according to a prestored second corresponding relation. In the method, due to the arrangement of the border gateway, the communication between the client in a public network and the base station group positioned in a private network is realized, so the base stations in the base station group can be remotely and uniformly maintained on the public network.
Description
Technical field
The application relates to communication technical field, particularly relates to a kind of method, system and gateway of realizing client and base station group telecommunication.
Background technology
In wireless communication field, LTE (Long Term Evolution, Long Term Evolution) is that it based on the IP addressing, mainly uses the IPv4 network architecture on transport layer from the technical system of 3G to 4G evolution.Private IP address is mixed use in the IPv4 network with public network IP address; Wherein, public network IP address can not be reused, and private network IP address is invisible on public network; Therefore each private network IP address can be reused, as long as in same private network, keep uniqueness.Realize communication through NAT (Network Address Translation, network address translation protocol) switch technology between public network and the private network in the prior art.
The inventor finds in the research process to prior art; The bearer network of communication network operator construction in various places adopts private net address usually; Be the LTE inside of base station integrated circuit board distribution private network IP address that various places are provided with; Base station group is formed in all base stations that are deployed in the same region; Comprise hundreds and thousands of base stations in the common base station group, for the base station group in the same region, only can safeguard the base station of private network inside with realization in the prior art through in the private network of this region, building network management system; Especially when building new system; Need base station and networking be set respectively in different regions; Progressively merge again, and different regions institute establishing network is owing to be private network, so network operation all need carry out in private network with the management of the interior base station of base station group; Cause the efficient of maintenance and management lower, labor intensive.
Summary of the invention
The application embodiment provides a kind of method, system and gateway of realizing client and base station group telecommunication, to solve the problem that prior art only can be safeguarded the base station in private network.
In order to solve the problems of the technologies described above, the application embodiment discloses following technical scheme:
A kind of method that realizes client and base station group telecommunication, said base station group comprises a plurality of base stations, and said a plurality of base stations belong to same bearer network, and an external interface and some board card modules are set on each base station, and said method comprises:
Borde gateway receives the message that client is sent through public network, and the purpose IP address in the said message is the private network IP address of first board card module of first base station in the said base station group, and the destination slogan is the privately owned port numbers of said first board card module;
According to first corresponding relation that the purpose IP address search of said message is preserved in advance, obtain the private network IP address of the first base station external interface corresponding and the common port slogan of said first board card module with the private network IP address of said first board card module;
With the purpose IP address modification in the said message is the private network IP address of the said first base station external interface, and the destination slogan is revised as the common port slogan of said first board card module;
Amended message is sent to said first base station according to the private network IP address of the said first base station external interface through said bearer network, so that said first base station sends to said first board card module according to second corresponding relation of preserving in advance with said message.
Also comprise:
Each base station is in advance at private network IP address that saves as each board card module configuration on the said base station on its external interface and second corresponding relation between the common port slogan; Wherein, Each board card module that is arranged on the same base station is assigned the unique private network IP address that belongs to the same private network network segment; And unique common port slogan, the private network network segment in the said base station group under the board card module of each base station has nothing in common with each other.
Also comprise:
Said borde gateway saves as the private network IP address of the external interface configuration of each base station in advance, reaches the private network IP address of board card module in said private network IP address and the said base station and first corresponding relation between the common port slogan; Wherein, the board card module on each base station communicates through the private network IP address of said external interface and the bearer network of said base station group, and the private network IP address of the external interface of a plurality of base stations belongs to the same private network network segment in the same base station group.
Said first base station sends to said first board card module according to second corresponding relation of preserving in advance with said message and comprises:
Second corresponding relation according to the destination slogan retrieval of said message is preserved in advance obtains the private network IP address of first board card module corresponding with the common port slogan of said first board card module and the privately owned port numbers of first board card module;
With the purpose IP address modification of said message is the private network IP address of said first board card module, and the destination slogan is revised as the privately owned port numbers of said first board card module;
The private network IP address of amended message according to said first board card module sent on said first board card module.
Also comprise:
The external interface of first base station receives the response message that said first board card module sends; Source IP address in the said response message is the private network IP address of said first board card module; Source port number is the privately owned port numbers of said first board card module; Purpose IP address is the public network IP address of said client, and the destination slogan is the privately owned port numbers of said client;
According to second corresponding relation that the source IP address retrieval of said response message is preserved in advance, obtain the common port slogan of first board card module corresponding with the private network IP address of said first board card module;
Source IP address in the said response message is revised as the private network IP address of the external interface of said first base station, source port number is revised as the common port slogan of said first board card module;
Amended response message is sent to said borde gateway through said bearer network;
First corresponding relation that said borde gateway is preserved according to the source IP address of said message and source port number retrieval in advance obtains the private network IP address and the privately owned port numbers of first board card module corresponding with the common port slogan of the private network IP address of the external interface of said first base station and said first board card module;
With the private network IP address that the source IP address in the said response message is revised as said first board card module, source port number is revised as the privately owned port numbers of said first board card module;
Amended response message is sent to said client according to the public network IP address of said client.
A kind of system that realizes client and base station group telecommunication comprises: client, borde gateway and base station group, and said base station group comprises a plurality of base stations; Said a plurality of base station belongs to same bearer network; An external interface and some board card modules are set, wherein on each base station
Said client is used for sending message to said borde gateway, and the purpose IP address in the said message is the private network IP address of first board card module of first base station in the said base station group, and the destination slogan is the privately owned port numbers of said first board card module;
Said borde gateway; Be used for first corresponding relation preserved in advance according to the purpose IP address search of said message, obtain the private network IP address of the first base station external interface corresponding and the common port slogan of said first board card module with the private network IP address of said first board card module; With the purpose IP address modification in the said message is the private network IP address of the said first base station external interface, and the destination slogan is revised as the common port slogan of said first board card module; Amended message is sent to said first base station according to the private network IP address of the said first base station external interface through said bearer network, so that said first base station sends to said first board card module according to second corresponding relation of preserving in advance with said message.
Each base station in the said base station group; Be used in advance at private network IP address that saves as each board card module configuration on the said base station on its external interface and second corresponding relation between the common port slogan; Wherein, Each board card module that is arranged on the same base station is assigned the unique private network IP address that belongs to the same private network network segment, and unique common port slogan, and the private network network segment in the said base station group under the board card module of each base station has nothing in common with each other.
Said borde gateway also is used for saving as in advance the private network IP address of the external interface configuration of each base station, and the private network IP address of board card module and first corresponding relation between the common port slogan in said private network IP address and the said base station; Wherein, the board card module on each base station communicates through the private network IP address of said external interface and the bearer network of said base station group, and the private network IP address of the external interface of a plurality of base stations belongs to the same private network network segment in the same base station group.
Said first base station; Specifically be used for retrieving second corresponding relation of preserving in advance, obtain the private network IP address of first board card module corresponding and the privately owned port numbers of first board card module with the common port slogan of said first board card module according to the destination slogan of said message; With the purpose IP address modification of said message is the private network IP address of said first board card module, and the destination slogan is revised as the privately owned port numbers of said first board card module; The private network IP address of amended message according to said first board card module sent on said first board card module;
First board card module of said first base station; Specifically be used to receive the response message that said first board card module sends; Source IP address in the said response message is the private network IP address of said first board card module; Source port number is the privately owned port numbers of said first board card module, and purpose IP address is the public network IP address of said client, and the destination slogan is the privately owned port numbers of said client; According to second corresponding relation that the source IP address retrieval of said response message is preserved in advance, obtain the common port slogan of first board card module corresponding with the private network IP address of said first board card module; Source IP address in the said response message is revised as the private network IP address of the external interface of said first base station, source port number is revised as the common port slogan of said first board card module; Amended response message is sent to said borde gateway through said bearer network;
Said borde gateway; Also be used for first corresponding relation preserved in advance according to the source IP address of said message and source port number retrieval, obtain the private network IP address and the privately owned port numbers of first board card module corresponding with the common port slogan of the private network IP address of the external interface of said first base station and said first board card module; With the private network IP address that the source IP address in the said response message is revised as said first board card module, source port number is revised as the privately owned port numbers of said first board card module; Amended response message is sent to said client according to the public network IP address of said client.
A kind of gateway of realizing client and base station group telecommunication, said base station group comprises a plurality of base stations, and said a plurality of base stations belong to same bearer network, and an external interface and some board card modules are set on each base station, and said gateway comprises:
Receiving element is used to receive the message that client is sent through public network, and the purpose IP address in the said message is the private network IP address of first board card module of first base station in the said base station group, and the destination slogan is the privately owned port numbers of said first board card module;
Retrieval unit; Be used for first corresponding relation preserved in advance according to the purpose IP address search of said message, obtain the private network IP address of the first base station external interface corresponding and the common port slogan of said first board card module with the private network IP address of said first board card module;
Revise the unit, being used for the purpose IP address modification of said message is the private network IP address of the said first base station external interface, and the destination slogan is revised as the common port slogan of said first board card module;
Transmitting element; Be used for amended message is sent to said first base station according to the private network IP address of the said first base station external interface through said bearer network, so that said first base station sends to said first board card module according to second corresponding relation of preserving in advance with said message.
Can find out by the foregoing description; Borde gateway receives the message that client is sent through public network among the application embodiment; Purpose IP address in this message is the private network IP address of first board card module of first base station in the base station group; The destination slogan is the privately owned port numbers of first board card module; First corresponding relation of preserving in advance according to the purpose IP address search of message; Obtaining the private network IP address of the first base station external interface corresponding with the private network IP address of first board card module and the common port slogan of first board card module, is the private network IP address of the first base station external interface with the purpose IP address modification in the message, and the destination slogan is revised as the common port slogan of first board card module; Amended message is sent to first base station according to the private network IP address of the first base station external interface through bearer network, so that first base station sends to first board card module according to second corresponding relation of preserving in advance with message.The application embodiment is through being provided with borde gateway, realized communicating by letter between the client in the public network and the base station group in private network, therefore can long-rangely on public network carry out uniform maintenance to the base station in the base station group, improved the maintenance and management efficient of system.
Description of drawings
In order to be illustrated more clearly in the application embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously; For those of ordinary skills, under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 realizes the first embodiment flow chart of the method for client and base station group telecommunication for the application;
Fig. 2 realizes the second embodiment flow chart of the method for client and base station group telecommunication for the application;
Fig. 3 realizes the 3rd embodiment flow chart of the method for client and base station group telecommunication for the application;
Fig. 4 realizes the system architecture sketch map of the method embodiment of client and base station group telecommunication for a kind of the application of application of the application;
Fig. 5 realizes the system implementation example block diagram of client and base station group telecommunication for the application;
Fig. 6 realizes the embodiment block diagram of the gateway of client and base station group telecommunication for the application.
Embodiment
The following embodiment of the present invention provides a kind of method, system and terminal of realizing client and base station group telecommunication.
In order to make those skilled in the art person understand the technical scheme in the embodiment of the invention better; And make the above-mentioned purpose of the embodiment of the invention, feature and advantage can be more obviously understandable, below in conjunction with accompanying drawing technical scheme in the embodiment of the invention done further detailed explanation.
Each base station group among the application embodiment comprises a plurality of base stations; A plurality of base stations belong to same bearer network, i.e. corresponding bearer network of each base station group, and this bearer network belongs to private network; An external interface and some board card modules are set on each base station; Wherein external interface is used for communicating by letter between base station and the private network, and some board card modules are formed the private network of inside of base station, and the mode through the IP addressing communicates each other.
Referring to Fig. 1, realize the first embodiment flow chart of the method for client and base station group telecommunication for the application:
Step 101: borde gateway receives the message that client is sent through public network.
Among the application embodiment, when the client in the public network need be communicated by letter with first board card module of first base station in the base station group, this client was at first sent message to borde gateway.Purpose IP address in this message is the private network IP address of first board card module of first base station in the base station group, and the destination slogan is the privately owned port numbers of first board card module.
Step 102:, obtain the private network IP address of the first base station external interface corresponding and the common port slogan of said first board card module with the private network IP address of first board card module according to first corresponding relation that the purpose IP address search of this message is preserved in advance.
First corresponding relation comprises the private network IP address of board card module in private network IP address and this base station of external interface of each base station and the corresponding relation between the common port slogan; Preserved the private network IP address of the external interface of this base station in the corresponding relation of each base station, and with this base station in private network IP address and the corresponding common port slogan of the consistent many groups board card module of board card module quantity.Borde gateway can be preserved this first corresponding relation in advance; Wherein, Board card module on each base station communicates through the private network IP address of external interface and the bearer network of base station group, and the private network IP address of the external interface of a plurality of base stations belongs to the same private network network segment in the same base station group.
Step 103: with the purpose IP address modification in the message is the private network IP address of the first base station external interface, and the destination slogan is revised as the common port slogan of first board card module.
Step 104: amended message is sent to first base station according to the private network IP address of the first base station external interface through bearer network, so that first base station sends to first board card module according to second corresponding relation of preserving in advance with this message.
Second corresponding relation is included as the private network IP address of each the board card module configuration on the base station and the corresponding relation between the common port slogan, and this second corresponding relation can be kept on the external interface of this base station.Wherein, each board card module that is arranged on the same base station is assigned the unique private network IP address that belongs to the same private network network segment, and unique common port slogan, and the private network network segment in the base station group under the board card module of each base station has nothing in common with each other.
Concrete; Second corresponding relation that first base station can be preserved according to the purpose IP address search of message in advance; Obtain the private network IP address of first board card module corresponding and the privately owned port numbers of first board card module with the common port slogan of first board card module; With the purpose IP address modification of this message is the private network IP address of first board card module; The destination slogan is revised as the privately owned port numbers of this first board card module, and the private network IP address of amended message according to first board card module sent on first board card module.
Referring to Fig. 2, realize the second embodiment flow chart of the method for client and base station group telecommunication for the application, this embodiment shows in detail the detailed process of client through the realization of the base station group in borde gateway and private network telecommunication in the public network:
Step 201: each base station is in advance at private network IP address that saves as each board card module configuration on this base station on its external interface and second corresponding relation between the common port slogan.
Wherein, each board card module that is arranged on the same base station is assigned the unique private network IP address that belongs to the same private network network segment, and unique common port slogan, and the private network network segment in the base station group under the board card module of each base station has nothing in common with each other.
Step 202: borde gateway saves as the private network IP address of the external interface configuration of each base station in advance, reaches the private network IP address of board card module in this private network IP address and the base station and first corresponding relation between the common port slogan.
Wherein, the board card module on each base station communicates through the private network IP address of external interface and the bearer network of base station group, and the private network IP address of the external interface of a plurality of base stations belongs to the same private network network segment in the same base station group.
Step 203: borde gateway receives the message that client is sent through public network.
Purpose IP address in this said message is the private network IP address of first board card module of first base station in the base station group, and the destination slogan is the privately owned port numbers of first board card module.
Step 204:, obtain the private network IP address of the first base station external interface corresponding and the common port slogan of first board card module with the private network IP address of first board card module according to first corresponding relation that the purpose IP address search of message is preserved in advance.
Step 205: with the purpose IP address modification in this message is the private network IP address of the first base station external interface, and the destination slogan is revised as the common port slogan of first board card module.
Step 206: amended message is sent to first base station according to the private network IP address of the first base station external interface through bearer network.
Step 207: second corresponding relation that preserve according to the destination slogan retrieval of message in advance first base station, obtain the private network IP address of first board card module corresponding with the common port slogan of first board card module and the privately owned port numbers of first board card module.
Step 208: with the purpose IP address modification of message is the private network IP address of first board card module, and the destination slogan is revised as the privately owned port numbers of first board card module.
Step 209: the private network IP address of amended message according to first board card module sent on first board card module.
Referring to Fig. 3, realize the 3rd embodiment flow chart of the method for client and base station group telecommunication for the application:
Step 301: the external interface of first base station receives the response message that first board card module sends.
After first board card module of first base station receives the message of public network client transmission, need respond response message in the present embodiment to this client.Source IP address in this response message is the private network IP address of first board card module, and source port number is the privately owned port numbers of first board card module, and purpose IP address is the public network IP address of client, and the destination slogan is the privately owned port numbers of client.
When the board card module of each base station and PERCOM peripheral communication, default route is message is sent to the external interface that is used for PERCOM peripheral communication.Therefore, the response message of the transmission of first board card module in the present embodiment at first sends to the external interface that this first board card module belongs to first base station.
Step 302:, obtain the common port slogan of first board card module corresponding with the private network IP address of first board card module according to second corresponding relation that the source IP address retrieval of response message is preserved in advance.
On the external interface of first base station, preserved second corresponding relation in advance, second corresponding relation is included as the private network IP address of each the board card module configuration on the base station and the corresponding relation between the common port slogan.Wherein, each board card module that is arranged on the same base station is assigned the unique private network IP address that belongs to the same private network network segment, and unique common port slogan, and the private network network segment in the base station group under the board card module of each base station has nothing in common with each other.
Step 303: the source IP address in the response message is revised as the private network IP address of the external interface of first base station, source port number is revised as the common port slogan of first board card module.
Step 304: amended response message is sent to borde gateway through bearer network.
Because the purpose IP address of response message is the client in the public network, therefore the external interface of first base station sends to borde gateway with this response message through carrying the networking according to default route.
Step 305: first corresponding relation that borde gateway is preserved according to the source IP address of message and source port number retrieval in advance, obtain the private network IP address and the privately owned port numbers of first board card module corresponding with the common port slogan of the private network IP address of the external interface of first base station and first board card module.
First corresponding relation comprises the private network IP address of board card module in private network IP address and this base station of external interface of each base station and the corresponding relation between the common port slogan; Preserved the private network IP address of the external interface of this base station in the corresponding relation of each base station, and with this base station in private network IP address and the corresponding common port slogan of the consistent many groups board card module of board card module quantity.Borde gateway can be preserved this first corresponding relation in advance; Wherein, Board card module on each base station communicates through the private network IP address of external interface and the bearer network of base station group, and the private network IP address of the external interface of a plurality of base stations belongs to the same private network network segment in the same base station group.
Step 306: with the private network IP address that the source IP address in the response message is revised as first board card module, source port number is revised as the privately owned port numbers of first board card module.
Step 307: amended response message is sent to client according to the public network IP address of client.
Referring to Fig. 4, be a kind of system architecture sketch map of using the method embodiment of the application's telemanagement base station group:
Client in the public network, borde gateway have been shown among Fig. 4 and have been arranged in the base station group of private network, base station group is communicated by letter with borde gateway through bearer network, and base station group has comprised that bastion host 1, bastion host 2 are to bastion host x.Base station group refers to the general name to all base stations that cover some specific regions (for example, certain city) among the application embodiment, and a common base station group is made up of individual perhaps thousands of the base stations of hundreds of.Wherein, The main frame of each base station is made up of the board card module of some function opposite independent; Adopt the mode of IP addressing to communicate between each board card module, form the internal network of base station, for example; Each board card module can distribute an IPv4 private net address with 192 beginnings, and the board card module in base station belongs to the same private network network segment; Dispose external interface on the main frame of each base station; Through configuration bearer network IP address on this external interface; Can realize the main frame of base station and communicating by letter of external bearer network, the privately owned network segment address with 10 beginnings can be adopted in the bearer network IP address that external interface disposed of all base stations in the same base station group.
Suppose to comprise in the base station group three main frames, be respectively bastion host 1, bastion host 2, bastion host 3.Below in conjunction with the system architecture among Fig. 4 to be in the public network client be in private network in base station group between the process of communicating by letter describe.
Before communication, need carry out the configuration of private network IP address for the external interface of the board card module of each base station in the base station group.The inside private network of supposing each base station has adopted the privately owned network segment of 192 beginnings, is no more than in base station board card module quantity under 30 the prerequisite, and the design subnet mask is 27, and the address of inside of base station network can be expressed as: 192.x.y. (z||E)
Wherein, x, y are respectively the numerical value of 8BIT, scope from 0 to 254; Z||E (' || ' serial connection of the BIT position of expression z and E representative) take a 8BIT byte, wherein z takies preceding 3 BIT bytes, with the 192.x.y of front; Constitute the private network network segment address of inside of base station network, E takies back 5 BIT bytes, the private network IP address of display plate card module; 5 BIT positions can identify 32 addresses altogether, wherein except 5 BIT positions be ' 0 ' entirely (i.e. ' 00000 ' is used to identify the private network network segment of base station) and complete for ' 1 ' (i.e. ' 11111 '; Be used for the identification of broadcast address) outside, all the other 30 values can be used to the private network IP address of marking plate card module.
For ease of explanation, suppose that the private network network segment of inside of base station in the present embodiment begins counting from 192.166.33.0, each base station takies one 27 the network segment, and the IP address of inside of base station board card module is distributed successively, remains on the uniqueness in the base station group.As follows, the private network network segment address of three base stations is respectively:
192.166.33.’000’||’00000’
192.166.33.’001’||’00000’
192.166.33.’010’||’00000’
According to above-mentioned distribution principle, as shown in table 1 below is the allocation list of bastion host 1:
Table 1
As shown in table 2 below is the allocation list of bastion host 2:
Table 2
As shown in table 3 below is the allocation list of bastion host 3:
Table 3
Shown in above-mentioned three tables, the allocation list of each bastion host has comprised the private network IP address of all board card modules on this base station and the corresponding relation between institute's distribution common port slogan, and the privately owned port numbers of each board card module and transport layer protocol type.Wherein, The private network IP address of board card module and common port slogan have relation one to one; With the telnet agreement is example; The privately owned port numbers of all board card modules of telnet server end all is " 23 ", and the port numbers of telnet client is " 24 ", and the transport layer protocol type that telnet adopted is " TCP " and " UDP ".Among this embodiment; The private network IP address that is disposed is the IPv4 address; The common port slogan is since 60001; Port numbers of private network IP address configuration of each board card module, this port numbers can not repeat with the port numbers of other application deployment in the board card module, as long as be no more than the maximum of agreement regulation.
On borde gateway, need the information of the base station group in bearer network of management, therefore can pass through the configuration information of all base stations in the configuration database table storage base station group, as shown in table 4 below:
Table 4
Last table 4 only is exemplary description, and in the actual application, the quantity of base station possibly surpass 3, perhaps increases base station number according to system's needs, and the then corresponding list item that in table 4, increases correspondence for the base station gets final product; The quantity of the board card module of each base station also can be inconsistent, and for example, base station 1 can only comprise 4 board card modules, and then the private network IP address of 4 board card modules of corresponding configuration gets final product, when 1 dilatation of base station, and configuration information that can corresponding increase board card module.
Based on the configuration of above-mentioned table 1 to table 4, the process that the board card module of certain base station among exemplary description the application in client and the base station group communicates:
The message of signal post's transmission need comprise 5 key elements at least in order to satisfy addressing requirement between client and the board card module, is respectively: source IP address, purpose IP address, protocol value, source port number and destination slogan.Wherein protocol value refers to the agreement that message transmissions is followed, and is generally Transmission Control Protocol, and the corresponding protocols value is " 6 ", below protocol value in the example be that example is described with " 6 ".
Suppose that client in the public network need be that the board card module of 192.166.33.33 communicates with the private network IP address in the base station 2 in the base station group; The public network IP address of this client is 184.1.1.101; Then the message that sends according to the regulation of aforementioned 5 key elements, as follows:
| 184.1.1.101 | 192.166.33.33 | 6 | 24 | 23 |
Client sends to borde gateway with above-mentioned message; After borde gateway is received this message, according to the destination address information 192.166.33.33 of message, the borde gateway database shown in the key 4; Finding the private network IP address of external interface in bearer network of the base station at private network IP address 192.166.33.33 institute respective panels card module place is 10.220.120.2; Reaching the common port slogan is 60001, and according to the address information of above-mentioned information modification header, amended message is as follows:
| 184.1.1.101 | 10.220.120.2 | 6 | 24 | 60001 |
Above-mentioned message is sent to the base station 2 in the base station group through bearer network; After bastion host 2 receives this message, according to the destination slogan 60001 of message, the table 2 that disposes on the retrieval external interface; Finding the private network IP address of corresponding board card module is 192.166.33.33; Privately owned port numbers is 23, and according to the address information of above-mentioned information modification header, amended message is as follows:
| 184.1.1.101 | 192.166.33.33 | 6 | 24 | 23 |
It is on the board card module of 192.166.33.33 that base station 2 sends to private network IP address with above-mentioned message, and after this board card module received this message, according to protocol value 6, through Transmission Control Protocol this message being sent to the destination slogan was on 23 the port.
Described the communication process of message above, described to the process of client echo reply message in the face of board card module down from client board card module to the base station:
Aforementioned private network IP address is the address information of the board card module of 192.166.33.33 according to the message that receives, and generates response message, and the information that this response message comprised is as follows:
| 192.166.33.33 | 184.1.1.101 | 6 | 23 | 24 |
According to default route, private network IP address is that the board card module of 192.166.33.33 sends to above-mentioned response message on the external interface of base station 2, after the external interface of base station 2 is received response message; Source IP address according to message; The table 2 of retrieval configuration, finding corresponding common port slogan is 60001, revises the address information of response message according to above-mentioned information; Amended response message is as follows, and wherein source IP address is revised as the private network IP address of external interface:
| 10.220.120.2 | 184.1.1.101 | 6 | 60001 | 24 |
According to default route; Above-mentioned message is sent to borde gateway through bearer network, and borde gateway is retrieved borde gateway database table 4 according to the source IP address and the source port number 60001 of message; Finding the IP address of the board card module on the corresponding base station 2 is 192.166.33.33; Privately owned port numbers is 23, and according to the address information of above-mentioned information modification message, amended address information is as follows:
| 192.166.33.33 | 184.1.1.101 | 6 | 23 | 24 |
Above-mentioned message is sent to client according to its destination address 184.1.1.101.
Visible by the foregoing description; The application is owing to be provided with borde gateway; Therefore realized communicating by letter between the client in the public network and the base station group in private network, so can long-rangely on public network carry out uniform maintenance, improved the maintenance and management efficient of system the base station in the base station group.
The embodiment of method that realizes client and base station group telecommunication with the application is corresponding, and the application also provides and realized client and the system of base station group telecommunication and the embodiment of gateway.
Referring to Fig. 5, realize the system implementation example block diagram of client and base station group telecommunication for the application:
This system comprises: client 510, borde gateway 520 and base station group 530, wherein, base station group 530 comprises a plurality of base stations, and is convenient for example, only shows first base station 531,532 the 3rd base stations 533, second base station among Fig. 5.A plurality of base stations in the base station group 530 belong to same bearer network, are provided with an external interface and some board card modules (not shown among Fig. 5) on each base station.
Wherein, Said client 510; Be used for sending message to said borde gateway 520, the purpose IP address in the said message is the private network IP address of first board card module of first base station 531 in the said base station group, and the destination slogan is the privately owned port numbers of said first board card module;
Said borde gateway 520; Be used for first corresponding relation preserved in advance according to the purpose IP address search of said message, obtain the private network IP address of first base station 531 external interfaces corresponding and the common port slogan of said first board card module with the private network IP address of said first board card module; With the purpose IP address modification in the said message is the private network IP address of the said first base station external interface, and the destination slogan is revised as the common port slogan of said first board card module; Amended message is sent to said first base station 531 according to the private network IP address of the said first base station external interface through said bearer network, so that said first base station 531 sends to said first board card module according to second corresponding relation of preserving in advance with said message.
Further; Each base station in the said base station group 530; Be used in advance at private network IP address that saves as each board card module configuration on the said base station on its external interface and second corresponding relation between the common port slogan, wherein, each board card module that is arranged on the same base station is assigned the unique private network IP address that belongs to the same private network network segment; And unique common port slogan, the private network network segment in the said base station group 530 under the board card module of each base station has nothing in common with each other.
Further, said borde gateway 520 also is used for saving as in advance the private network IP address of the external interface configuration of each base station, and the private network IP address of board card module and first corresponding relation between the common port slogan in said private network IP address and the said base station; Wherein, the board card module on each base station communicates through the private network IP address of said external interface and the bearer network of said base station group 530, and the private network IP address of the external interface of a plurality of base stations belongs to the same private network network segment in the same base station group 530.
Further; Said first base station 531; Specifically be used for retrieving second corresponding relation of preserving in advance, obtain the private network IP address of first board card module corresponding and the privately owned port numbers of first board card module with the common port slogan of said first board card module according to the destination slogan of said message; With the purpose IP address modification of said message is the private network IP address of said first board card module, and the destination slogan is revised as the privately owned port numbers of said first board card module; The private network IP address of amended message according to said first board card module sent on said first board card module.
Further; First board card module of said first base station 531; Specifically be used to receive the response message that said first board card module sends, the source IP address in the said response message is the private network IP address of said first board card module, and source port number is the privately owned port numbers of said first board card module; Purpose IP address is the public network IP address of said client, and the destination slogan is the privately owned port numbers of said client; According to second corresponding relation that the source IP address retrieval of said response message is preserved in advance, obtain the common port slogan of first board card module corresponding with the private network IP address of said first board card module; Source IP address in the said response message is revised as the private network IP address of the external interface of said first base station, source port number is revised as the common port slogan of said first board card module; Amended response message is sent to said borde gateway 520 through said bearer network;
Said borde gateway 520; Also be used for first corresponding relation preserved in advance according to the source IP address of said message and source port number retrieval, obtain the private network IP address and the privately owned port numbers of first board card module corresponding with the common port slogan of the private network IP address of the external interface of said first base station and said first board card module; With the private network IP address that the source IP address in the said response message is revised as said first board card module, source port number is revised as the privately owned port numbers of said first board card module; Amended response message is sent to said client 510 according to the public network IP address of said client 510.
Referring to Fig. 6; Realize the embodiment block diagram of the gateway of client and base station group telecommunication for the application; This gateway application is in the system of client and base station group telecommunication, and wherein base station group comprises a plurality of base stations, and a plurality of base stations belong to same bearer network; An external interface and some board card modules are set on each base station, and this gateway comprises: receiving element 610, retrieval unit 620, modification unit 630 and transmitting element 640.
Wherein, Receiving element; Be used to receive the message that client is sent through public network, the purpose IP address in the said message is the private network IP address of first board card module of first base station in the said base station group, and the destination slogan is the privately owned port numbers of said first board card module;
Retrieval unit; Be used for first corresponding relation preserved in advance according to the purpose IP address search of said message, obtain the private network IP address of the first base station external interface corresponding and the common port slogan of said first board card module with the private network IP address of said first board card module;
Revise the unit, being used for the purpose IP address modification of said message is the private network IP address of the said first base station external interface, and the destination slogan is revised as the common port slogan of said first board card module;
Transmitting element; Be used for amended message is sent to said first base station according to the private network IP address of the said first base station external interface through said bearer network, so that said first base station sends to said first board card module according to second corresponding relation of preserving in advance with said message.
Description through to above execution mode can be known; Borde gateway receives the message that client is sent through public network among the application embodiment; Purpose IP address in this message is the private network IP address of first board card module of first base station in the base station group; The destination slogan is the privately owned port numbers of first board card module; First corresponding relation of preserving in advance according to the purpose IP address search of message; Obtaining the private network IP address of the first base station external interface corresponding with the private network IP address of first board card module and the common port slogan of first board card module, is the private network IP address of the first base station external interface with the purpose IP address modification in the message, and the destination slogan is revised as the common port slogan of first board card module; Amended message is sent to first base station according to the private network IP address of the first base station external interface through bearer network, so that first base station sends to first board card module according to second corresponding relation of preserving in advance with message.The application embodiment is through being provided with borde gateway, realized communicating by letter between the client in the public network and the base station group in private network, therefore can long-rangely on public network carry out uniform maintenance to the base station in the base station group, improved the maintenance and management efficient of system.
The technology that those skilled in the art can be well understood in the embodiment of the invention can realize by the mode that software adds essential general hardware platform.Based on such understanding; The part that technical scheme in the embodiment of the invention contributes to prior art in essence in other words can be come out with the embodied of software product; This computer software product can be stored in the storage medium, like ROM/RAM, magnetic disc, CD etc., comprises that some instructions are with so that a computer equipment (can be a personal computer; Server, the perhaps network equipment etc.) carry out the described method of some part of each embodiment of the present invention or embodiment.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and identical similar part is mutually referring to getting final product between each embodiment, and each embodiment stresses all is the difference with other embodiment.Especially, for system embodiment, because it is basically similar in appearance to method embodiment, so description is fairly simple, relevant part gets final product referring to the part explanation of method embodiment.
Above-described embodiment of the present invention does not constitute the qualification to protection range of the present invention.Any modification of within spirit of the present invention and principle, being done, be equal to replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. method that realizes client and base station group telecommunication; It is characterized in that said base station group comprises a plurality of base stations, said a plurality of base stations belong to same bearer network; An external interface and some board card modules are set on each base station, and said method comprises:
Borde gateway receives the message that client is sent through public network, and the purpose IP address in the said message is the private network IP address of first board card module of first base station in the said base station group, and the destination slogan is the privately owned port numbers of said first board card module;
According to first corresponding relation that the purpose IP address search of said message is preserved in advance, obtain the private network IP address of the first base station external interface corresponding and the common port slogan of said first board card module with the private network IP address of said first board card module;
With the purpose IP address modification in the said message is the private network IP address of the said first base station external interface, and the destination slogan is revised as the common port slogan of said first board card module;
Amended message is sent to said first base station according to the private network IP address of the said first base station external interface through said bearer network, so that said first base station sends to said first board card module according to second corresponding relation of preserving in advance with said message.
2. method according to claim 1 is characterized in that, also comprises:
Each base station is in advance at private network IP address that saves as each board card module configuration on the said base station on its external interface and second corresponding relation between the common port slogan; Wherein, Each board card module that is arranged on the same base station is assigned the unique private network IP address that belongs to the same private network network segment; And unique common port slogan, the private network network segment in the said base station group under the board card module of each base station has nothing in common with each other.
3. method according to claim 2 is characterized in that, also comprises:
Said borde gateway saves as the private network IP address of the external interface configuration of each base station in advance, reaches the private network IP address of board card module in said private network IP address and the said base station and first corresponding relation between the common port slogan; Wherein, the board card module on each base station communicates through the private network IP address of said external interface and the bearer network of said base station group, and the private network IP address of the external interface of a plurality of base stations belongs to the same private network network segment in the same base station group.
4. method according to claim 1 is characterized in that, said first base station sends to said first board card module according to second corresponding relation of preserving in advance with said message and comprises:
Second corresponding relation according to the destination slogan retrieval of said message is preserved in advance obtains the private network IP address of first board card module corresponding with the common port slogan of said first board card module and the privately owned port numbers of first board card module;
With the purpose IP address modification of said message is the private network IP address of said first board card module, and the destination slogan is revised as the privately owned port numbers of said first board card module;
The private network IP address of amended message according to said first board card module sent on said first board card module.
5. according to any described method of claim 1 to 4, it is characterized in that, also comprise:
The external interface of first base station receives the response message that said first board card module sends; Source IP address in the said response message is the private network IP address of said first board card module; Source port number is the privately owned port numbers of said first board card module; Purpose IP address is the public network IP address of said client, and the destination slogan is the privately owned port numbers of said client;
According to second corresponding relation that the source IP address retrieval of said response message is preserved in advance, obtain the common port slogan of first board card module corresponding with the private network IP address of said first board card module;
Source IP address in the said response message is revised as the private network IP address of the external interface of said first base station, source port number is revised as the common port slogan of said first board card module;
Amended response message is sent to said borde gateway through said bearer network;
First corresponding relation that said borde gateway is preserved according to the source IP address of said message and source port number retrieval in advance obtains the private network IP address and the privately owned port numbers of first board card module corresponding with the common port slogan of the private network IP address of the external interface of said first base station and said first board card module;
With the private network IP address that the source IP address in the said response message is revised as said first board card module, source port number is revised as the privately owned port numbers of said first board card module;
Amended response message is sent to said client according to the public network IP address of said client.
6. system that realizes client and base station group telecommunication; It is characterized in that, comprising: client, borde gateway and base station group, said base station group comprises a plurality of base stations; Said a plurality of base station belongs to same bearer network; An external interface and some board card modules are set, wherein on each base station
Said client is used for sending message to said borde gateway, and the purpose IP address in the said message is the private network IP address of first board card module of first base station in the said base station group, and the destination slogan is the privately owned port numbers of said first board card module;
Said borde gateway; Be used for first corresponding relation preserved in advance according to the purpose IP address search of said message, obtain the private network IP address of the first base station external interface corresponding and the common port slogan of said first board card module with the private network IP address of said first board card module; With the purpose IP address modification in the said message is the private network IP address of the said first base station external interface, and the destination slogan is revised as the common port slogan of said first board card module; Amended message is sent to said first base station according to the private network IP address of the said first base station external interface through said bearer network, so that said first base station sends to said first board card module according to second corresponding relation of preserving in advance with said message.
7. system according to claim 6 is characterized in that,
Each base station in the said base station group; Be used in advance at private network IP address that saves as each board card module configuration on the said base station on its external interface and second corresponding relation between the common port slogan; Wherein, Each board card module that is arranged on the same base station is assigned the unique private network IP address that belongs to the same private network network segment, and unique common port slogan, and the private network network segment in the said base station group under the board card module of each base station has nothing in common with each other.
8. system according to claim 6 is characterized in that,
Said borde gateway also is used for saving as in advance the private network IP address of the external interface configuration of each base station, and the private network IP address of board card module and first corresponding relation between the common port slogan in said private network IP address and the said base station; Wherein, the board card module on each base station communicates through the private network IP address of said external interface and the bearer network of said base station group, and the private network IP address of the external interface of a plurality of base stations belongs to the same private network network segment in the same base station group.
9. according to any described system of claim 6 to 8, it is characterized in that,
Said first base station; Specifically be used for retrieving second corresponding relation of preserving in advance, obtain the private network IP address of first board card module corresponding and the privately owned port numbers of first board card module with the common port slogan of said first board card module according to the destination slogan of said message; With the purpose IP address modification of said message is the private network IP address of said first board card module, and the destination slogan is revised as the privately owned port numbers of said first board card module; The private network IP address of amended message according to said first board card module sent on said first board card module;
First board card module of said first base station; Specifically be used to receive the response message that said first board card module sends; Source IP address in the said response message is the private network IP address of said first board card module; Source port number is the privately owned port numbers of said first board card module, and purpose IP address is the public network IP address of said client, and the destination slogan is the privately owned port numbers of said client; According to second corresponding relation that the source IP address retrieval of said response message is preserved in advance, obtain the common port slogan of first board card module corresponding with the private network IP address of said first board card module; Source IP address in the said response message is revised as the private network IP address of the external interface of said first base station, source port number is revised as the common port slogan of said first board card module; Amended response message is sent to said borde gateway through said bearer network;
Said borde gateway; Also be used for first corresponding relation preserved in advance according to the source IP address of said message and source port number retrieval, obtain the private network IP address and the privately owned port numbers of first board card module corresponding with the common port slogan of the private network IP address of the external interface of said first base station and said first board card module; With the private network IP address that the source IP address in the said response message is revised as said first board card module, source port number is revised as the privately owned port numbers of said first board card module; Amended response message is sent to said client according to the public network IP address of said client.
10. gateway of realizing client and base station group telecommunication; It is characterized in that said base station group comprises a plurality of base stations, said a plurality of base stations belong to same bearer network; An external interface and some board card modules are set on each base station, and said gateway comprises:
Receiving element is used to receive the message that client is sent through public network, and the purpose IP address in the said message is the private network IP address of first board card module of first base station in the said base station group, and the destination slogan is the privately owned port numbers of said first board card module;
Retrieval unit; Be used for first corresponding relation preserved in advance according to the purpose IP address search of said message, obtain the private network IP address of the first base station external interface corresponding and the common port slogan of said first board card module with the private network IP address of said first board card module;
Revise the unit, being used for the purpose IP address modification of said message is the private network IP address of the said first base station external interface, and the destination slogan is revised as the common port slogan of said first board card module;
Transmitting element; Be used for amended message is sent to said first base station according to the private network IP address of the said first base station external interface through said bearer network, so that said first base station sends to said first board card module according to second corresponding relation of preserving in advance with said message.
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