WO2006116449A2 - Trans-network roaming and resolution with web services for devices - Google Patents
Trans-network roaming and resolution with web services for devices Download PDFInfo
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- WO2006116449A2 WO2006116449A2 PCT/US2006/015722 US2006015722W WO2006116449A2 WO 2006116449 A2 WO2006116449 A2 WO 2006116449A2 US 2006015722 W US2006015722 W US 2006015722W WO 2006116449 A2 WO2006116449 A2 WO 2006116449A2
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- WIPO (PCT)
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- address
- component
- network
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- discovery
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
- H04L63/029—Firewall traversal, e.g. tunnelling or, creating pinholes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/25—Mapping addresses of the same type
- H04L61/2503—Translation of Internet protocol [IP] addresses
- H04L61/256—NAT traversal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/321—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving a third party or a trusted authority
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
Definitions
- a network address translator is a device that can translate Internet
- IP Internet Protocol
- a small business network with multiple computers that connect to the Internet may employ an NAT for such connections.
- This type business would normally have to obtain a public IP address for each computer on the network from an Internet service provider (ISP).
- ISP Internet service provider
- the small business can use private addressing and have the NAT map its private addresses to single or to multiple public IP addresses.
- the NAT is a common solution for the following combination of requirements: leveraging the use of a single connection, rather than connecting multiple computers, to the Internet; using private addressing; and providing access to Internet resources without having to deploy a proxy server.
- NAT technology provides a type of firewall protection by hiding internal IP addresses and they enable companies to employ more internal IP addresses since there is no possibility of conflict with addresses outside the companies' private domain.
- One major obstacle in NAT technology is that there is a plurality of differing protocols that may be employed for translating network traffic. For instance, many consumer or home systems utilize Cone, Full Cone, or Restricted Cone NAT technologies whereby some routers may behave as a Cone NAT for UDP traffic and behave as a symmetric NAT for TCP traffic. In corporate situations, symmetric NAT along with hardware or software firewalls are more likely to be employed.
- intense manual configurations are required to properly configure the NAT to communicate over one of the above mentioned protocols.
- many network situations may require more than one protocol to be employed in order for communications to occur between remote applications.
- DNS Domain Name System
- the device can contact the respective resolution service and thus register its corresponding IP/Port pair in an automatic manner.
- the resolution service or another resolution service can also be employed to automatically/dynamically locate other network components of interest.
- the resolution service can exist at a static IP address and at a well known port number if desired, but can also include dynamic components using a DYN-DNS (Dynamic Domain Name Service), for example via a well-known or predetermined port identity.
- DYN-DNS Dynamic Domain Name Service
- Other resolution methods can be employed to resolve the resolution services itself (e.g., PNRP can be used to find the resolution service).
- the resolution service can be resolved using a standard DNS or Dynamic DNS and can optionally resolve using Peer Network Resolution Protocol. Hosts interested in contacting services on roaming hosts would generally contact a resolution provider or service to determine the last known IP address and port for roaming devices. These mobile hosts can then directly contact the service at that IP/Port pair.
- One benefit of this solution over other possible solutions is that it generally does not require a central server or Internet infrastructure modifications.
- a specific example of a problem solved includes when two or more laptops are traveling around the world with a Web Service Host on one laptop and a Web Service client on another. These laptops are roaming guests on "public" networks such as Hotel and hotsport in one specific example.
- one laptop has raw material pricing information, and the other employs raw material to dynamically generate sales price guidance for sales personnel.
- various applications can be supported such as antiques or wine futures, for example.
- Other aspects of the system include NAT traversal systems and methods such that cascaded NAT components can be traversed in one example to support various automated address determinations and configurations.
- FIG. 1 is a schematic block diagram illustrating a network roaming and resolution system.
- Fig. 2 is a flow diagram illustrating a resolution provider process.
- FIG. 3 is a flow diagram illustrating an NAT resolution process.
- FIGs. 4-7 illustrate example systems for automated address resolution determinations.
- Fig. 8 is an example discovery system for clients systems and services.
- Fig. 9 is a schematic block diagram illustrating a suitable operating environment.
- Fig. 10 is a schematic block diagram of a sample-computing environment.
- a network communications system includes methods for updating a resolution provider with a current host address and for determining a roaming hosts service address and port information.
- Other processes include opening ports through Network Address Translators and opening ports in conjunction with cascaded Network Address Translators.
- object and the like are intended to refer to a computer-related entity, either hardware, a combination of hardware and software, software, or software in execution.
- a component may be, but is not limited to being, a process running on a processor, a processor, an object, an executable, a thread of execution, a program, and/or a computer.
- an application running on a server and the server can be a component.
- One or more components may reside within a process and/or thread of execution and a component may be localized on one computer and/or distributed between two or more computers. Also, these components can execute from various computer readable media having various data structures stored thereon.
- the components may communicate via local and/or remote processes such as in accordance with a signal having one or more data packets (e.g., data from one component interacting with another component in a local system, distributed system, and/or across a network such as the Internet with other systems via the signal).
- a signal having one or more data packets (e.g., data from one component interacting with another component in a local system, distributed system, and/or across a network such as the Internet with other systems via the signal).
- a network 110 e.g., Internet
- the system 100 includes a resolution provider 130 for determining network address for the devices 120 and a discovery component 140 to facilitate the automated address determinations.
- An event component 150 can be provided to update the resolution provider 130 or the discovery component 140 with routing changes of the devices 120 as they move from location to location.
- a traversal component 160 can be provided to isolate the devices 120 or route addresses from the network 110 to the devices or alternatively provide firewall support.
- the traversal component 160 can include one or more network address translators (NAT) that operate according to a plurality of NAT protocols. Such protocols enable communications between one or more end-user applications.
- NAT network address translators
- the system 100 provides a system where the location of associated devices 120 can be resolved without generally requiring centralized servers or Internet infrastructure changes.
- the resolution provider 130 can store a friendly device name, GUID, Public IP/Port pair, Private IP/Port pair, NAT tunnel expiration time, and port for routing to a device, for example.
- Device Resolution providers can run on a well- known port at a static or dynamic IP that can be reached via a DNS lookup, for example.
- the devices 120 can register their current location with one or more device resolution providers, if desired.
- the resolution provider 130 is generally accessible using a friendly name from a Domain Name Service (DNS).
- DNS Domain Name Service
- the resolution provider 130 responds to requests for transport addresses of friendly device names or GUID.
- the resolution provider 130 may have access control lists (ACLs) for queries and can authenticate location updates via secure socket e.g., SSL/TLS using client and server certificates, shared secret or other type security mechanism.
- ACLs access control lists
- the system 100 allows for automatically determining and configuring communications capabilities between roaming or mobile network devices 120.
- Problems with conventional systems having to manually configure and pre-register with a large server system are mitigated by creating a resolution service that hosts can employ to discover an Internet Protocol (IP) address and port number of an associated roaming service along with additional service information. For instance, after a device 120 or component has obtained an IP address and mapped a port through a Network Address Translator (NAT) component 160, the device can contact the respective resolution service 130 and thus register its corresponding IP/Port pair in an automatic manner. Likewise it can contact the same or another resolution service 130 to automatically/dynamically locate other network components of interest.
- IP Internet Protocol
- NAT Network Address Translator
- the resolution service can exist at a static IP address and at a well known port number if desired, but can also include dynamic components using a DYN-DNS (Dynamic Domain Name Service), for example via a well-known or predetermined port identity. It could also be located using PNRP (Peer Name Resolution Protocol) to DNS gateway PNRP directly or another name to address resolution service.
- DYN-DNS Dynamic Domain Name Service
- PNRP Peer Name Resolution Protocol
- the resolution service or provider 130 can resolve addresses using its internal database of transport addresses. Hosts interested in contacting services on roaming hosts would generally contact the resolution provider 130 or service to determine the last known IP address and port for roaming devices 120. These mobile hosts can then directly contact the service at that IP/Port pair.
- One benefit of this solution over other possible solutions is that it generally does not require a central server or Internet infrastructure modifications.
- a specific example of a problem solved by the system 100 is two or more laptops traveling across different locations with a Web Service on one laptop and a Web Service client on another. As can be appreciated, various communications applications can be supported. Other aspects include NAT traversal systems and methods such that cascaded NAT components 160 can be traversed in one example to support the automated address determinations port mappings for the device 120.
- FIGs. 2 and 3 illustrate automated address resolution processes for roaming devices. While, for purposes of simplicity of explanation, the methodologies are shown and described as a series or number of acts, it is to be understood and appreciated that the subject methodology is not limited by the order of acts, as some acts may occur in different orders and/or concurrently with other acts from that shown and described herein. For example, those skilled in the art will understand and appreciate that a methodology could alternatively be represented as a series of interrelated states or events, such as in a state diagram. Moreover, not all illustrated acts may be required to implement a methodology as described herein.
- a method for updating a resolution provider with a current host transport address includes sending a message to update a resolution provider at 220, and sending parameters to the resolution provider at 230.
- a roaming host service sends a SOAP message using e.g., a WS-Eventing message to the resolution provider with a change of location event.
- this event includes the services' friendly name, GUID, Routable Public IP/Port pair, Private IP/Port pair, IP address lease time and NAT tunnel lease time, for example.
- Address and IP port This includes resolving a host's address via directed WS-discovery at 250 and responding with a transport address match to the discovery request at 260.
- a client host uses a globally unique identifier (GUID) and performs a resolve using directed discovery to the resolution provider.
- GUID globally unique identifier
- the resolution provider responds with a resolve-match containing the address and port information for the host's service address.
- FIG. 3 illustrates an example process 300 for traversing Network Address
- the process 300 includes automatically discovering NAT or firewall parameters at 310 and requesting a network address at 320. From this, an address is selected for a roaming device from a device pool at 330.
- a resolution provider responds to a device with an external address for communications, whereas at 350, a plurality of cascaded NATs are automatically opened.
- the following examples can apply.
- a host that is hidden behind a NAT or Firewall should first discover that they are shielded from the Internet and cannot receive external initiated connections.
- the host desiring to gain external access should use e.g., WS-Discovery to search for a WSD enabled NAT or firewall.
- the host will then request an external IP address and port pair from a WSD enabled NAT/firewall.
- the host may present security credentials to the NAT/Firewall to demonstrate it is authorized to receive externally initiated connections.
- the NAT/Firewall can select an Internet Protocol (IP) address from its device IP pool and a port from the pool for that IP address and then map the port and IP to the host's internal IP/port pair.
- IP Internet Protocol
- the NAT/firewall can then respond to the host device with the externally mapped IP address and port number, along with lease time, for example.
- a process for opening cascaded NATs is provided. For example, when a host is located behind two or more NATs that are cascaded, it is the responsibility of the lower NAT to perform a e.g., WS-Discovery for upstream NATs/FW and request to map the port and IP address for the host to one of its external ports. In turn, the upstream NAT/FW can map a routable IP/port pair and return that value to the lower NAT. Credentials for the host device or lower NAT can be employed to authorize each NAT to open ports.
- Fig. 4 illustrates an example system 400 for address resolution.
- a digital camera client 410 for a WS Storage Service in an Internal Network is provided.
- the camera 410 stores images directly on a personal computer 420 according to the following sequence:
- a Storage Service (WSSS) requests an external IP/Port pair using e.g., Web Services based Internet Gateway Device (IGD) wsdl.
- IGD Internet Gateway Device
- a WSSS sends registration update to its resolution service which can be in the IGD.
- the IGD stores external IP/port and internal IP/port pair for WSSS and an IGD Discovery service listens for resolution requests for WSSS.
- the camera 410 connects to Discovery Service on IGD's external address and IGD detects resolution message originated from locally mapped device.
- the IGD resolves to storage service's internal IP and port pair, and the camera 410 connects directly to Laptop's 420 storage service.
- the camera 410 (or any network device) can also repeat this for printer service 430 or substantially any other service.
- an external network location resolution system 500 is illustrated.
- the example system 500 can operate as follows: A camera 510 (or other roaming device) connects to Discovery service on an IGD's external address and updates its transport address information.
- the storage service 520 moves to a new network and updates the transport address information on the IGD.
- the camera 510 communicates with the storage service 520 so it sends a resolution request to the IGD.
- the IGD resolves to the storage service's public IP and port pair across the Internet, for example.
- the camera 510 then connects directly to the Laptop's storage service via its public address and reverse NAT.
- the storage service may need to resolve the camera and it is able to do so by sending a resolve message to the IGD.
- FIG. 6 an alternative external network location resolution system 600 is illustrated.
- the example system 600 operates as follows: A camera 610 (or other device) connects to Discovery service on an IGD 's external address.
- the IGD resolves to storage service's public IP and port pair.
- the camera 610 connects directly to a Laptop's 620 storage service via public address and reverse NAT.
- the camera 620 repeats query for printer's 630 (or other device) Web Service and connects to printer or other device via public address of IGD and reverse NAT.
- the system provides an Internet routable IP address and port to a WSD device and provides a TCP tunnel on that routable IP/port pair to the WSD device that may be behind one or many NATs.
- this can include an IGD2 (710) and IGDl (720) as WSD client and servers, where an IGDO (730) is a WSD server and discovery proxy.
- a laptop 740 requests external IP and port pair from local IGD (IGD 2) 710.
- IGD2 maps a port and requests external port pair mapping from upstream IGDl (720).
- IGDl maps a port and requests external port pair mapping from Upstream IGDO (730).
- IGDO maps port and responds to IGDl (720) with external IP address and port pair and lease time.
- IGDl passes external IP/port to IGD2 (710) which passes the IP/port pair to the laptop 740 (or other computing device).
- the laptop 740 can now use external IP/port pair to register its location with a resolution provider.
- Fig. 8 is an example discovery system 800 for clients systems and services.
- the system 800 includes one or more clients 810 that seek to communicate to one or more target services 820 via a discovery protocol 830. As illustrated, one or more probes 840 may be directed between the clients 810 and services 830 in order to establish connections, wherein respective messages may be directed from the services in response to the probes. [0031] In general, a multicast discovery protocol can be provided to locate services
- the primary mode of discovery is a client 810 searching for one or more target services 820.
- a client sends the probe message 840 to a multicast group; target services that match the probe send a response directly to the client 810.
- the client 810 sends a resolution request message to the same multicast group, and again, the target service 820 that matches sends a response directly to the client.
- the target service joins the network, it sends an announcement message to the same multicast group. By listening to this multicast group, clients 810 can detect newly-available target services without repeated probing.
- multicast suppression behavior can be provided if a discovery proxy is available on the network. Specifically, when a discovery proxy detects a probe or resolution request sent by multicast, the discovery proxy sends an announcement for itself. By listening for these announcements, clients detect discovery proxies and switch to use a discovery proxy-specific protocol. However, if a discovery proxy is unresponsive, clients revert to use the protocol described herein.
- DNS domain controllers, directories, and so forth
- clients and/or target services may be configured to behave differently than defined herein.
- another specification may define a well-known DHCP record containing the address of a discovery proxy, and compliance with that specification may require endpoints to send messages to this discovery proxy rather than to a multicast group. While the specific means of such configuration can be provided in a variety of differing processes, it is expected that any such configuration would allow clients and/or target services to migrate smoothly between carefully-managed and ad hoc networks.
- Multiple discovery proxies can also be used. For example, a cell phone may update its transport address on a work discovery proxy and a home discovery proxy. Clients resolving the locating on that cell phone can use either proxy to resolve it.
- the following illustrates and XML example for an example probe message:
- Lines (17-21) specify two constraints on the Probe: Line (17) constrains responses to Target Services that implement a basic print Type; Lines (18-21) constrain responses to Target Services in the
- Scope for an engineering department, for example. Generally, only Target Services that satisfy both of these constraints will respond. Though both constraints are included in this example, a Probe is not required to include either.
- Lines (13-15) indicate that it is a response to the Probe message preceding this example response. Since the Probe did not have an explicit ReplyTo SOAP header block, Lines (16-18) indicate that the response was sent to the source IP address and port of the transport header of the Probe. Lines (22-35) describe a single Target Service. Lines (23- 27) contain a stable, unique identifier for the Target Service that is constant across network interfaces, transport addresses, and IPv4/v6. In this case, the value is a UUID scheme URI, but it may be a transport URI (like the one in Line 33) if it meets stability and uniqueness requirements. Line (28) lists the Types (see, e.g., [WSDL Ll]) implemented by the Target Service, in this example, a basic print type that matched the Probe as well as an advanced print type.
- Lines (29-32) list two administrative Scopes, one that matched the Probe as well as another that is specific to a particular physical location.
- Line (33) indicates the transport addresses where the Target Service may be reached; in this case, a single HTTP transport address.
- Line (34) contains the version of the metadata for the Target Service; this version is incremented if there is a change in the metadata for the Target Service (including Lines 28-33).
- Figs. 9 and 10 are intended to provide a brief, general description of a suitable environment in which the various aspects of the disclosed subject matter may be implemented. While the subject matter has been described above in the general context of computer-executable instructions of a computer program that runs on a computer and/or computers, those skilled in the art will recognize that the invention also may be implemented in combination with other program modules. Generally, program modules include routines, programs, components, data structures, etc. that perform particular tasks and/or implement particular abstract data types.
- an exemplary environment 910 for implementing various aspects includes a computer 912.
- the computer 912 includes a processing unit 914, a system memory 916, and a system bus 918.
- the system bus 918 couples system components including, but not limited to, the system memory 916 to the processing unit 914.
- the processing unit 914 can be any of various available processors. Dual microprocessors and other multiprocessor architectures also can be employed as the processing unit 914.
- the system bus 918 can be any of several types of bus structure(s) including the memory bus or memory controller, a peripheral bus or external bus, and/or a local bus using any variety of available bus architectures including, but not limited to, 11-bit bus, Industrial Standard Architecture (ISA), Micro-Channel Architecture (MSA), Extended ISA (EISA), Intelligent Drive Electronics (IDE), VESA Local Bus (VLB), Peripheral Component Interconnect (PCI), Universal Serial Bus (USB), Advanced Graphics Port (AGP), Personal Computer Memory Card International Association bus (PCMCIA), CardBUS, Bluetooth, Firewire 1394, and Small Computer Systems Interface (SCSI).
- ISA Industrial Standard Architecture
- MSA Micro-Channel Architecture
- EISA Extended ISA
- IDE Intelligent Drive Electronics
- VLB VESA Local Bus
- PCI Peripheral Component Interconnect
- USB Universal Serial Bus
- AGP Advanced Graphics Port
- PCMCIA Personal Computer Memory Card International Association bus
- CardBUS Bluetooth
- Firewire 1394 and Small Computer Systems Interface
- nonvolatile memory 922 The basic input/output system (BIOS), containing the basic routines to transfer information between elements within the computer 912, such as during start-up, is stored in nonvolatile memory 922.
- nonvolatile memory 922 can include read only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable ROM (EEPROM), or flash memory.
- Volatile memory 920 includes random access memory (RAM), which acts as external cache memory.
- RAM is available in many forms such as synchronous RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDR SDRAM), enhanced SDRAM (ESDRAM), Synchlink DRAM (SLDRAM), and direct Rambus RAM (RDRAM).
- SRAM synchronous RAM
- DRAM dynamic RAM
- SDRAM synchronous DRAM
- DDR SDRAM double data rate SDRAM
- ESDRAM enhanced SDRAM
- SLDRAM Synchlink DRAM
- RDRAM direct Rambus RAM
- Computer 912 also includes removable/non-removable, volatile/non-volatile computer storage media.
- Fig. 9 illustrates, for example a disk storage 924.
- Disk storage 924 includes, but is not limited to, devices like a magnetic disk drive, floppy disk drive, tape drive, Jaz drive, Zip drive, LS-100 drive, flash memory card, or memory stick.
- disk storage 924 can include storage media separately or in combination with other storage media including, but not limited to, an optical disk drive such as a compact disk ROM device (CD-ROM), CD recordable drive (CD-R Drive), CD rewritable drive (CD-RW Drive) or a digital versatile disk ROM drive (DVD-ROM).
- CD-ROM compact disk ROM device
- CD-R Drive CD recordable drive
- CD-RW Drive CD rewritable drive
- DVD-ROM digital versatile disk ROM drive
- a removable or non-removable interface is typically used such as interface 926.
- Fig 9 describes software that acts as an intermediary between users and the basic computer resources described in suitable operating environment 910.
- Such software includes an operating system 928.
- Operating system 928 which can be stored on disk storage 924, acts to control and allocate resources of the computer system 912.
- System applications 930 take advantage of the management of resources by operating system 928 through program modules 932 and program data 934 stored either in system memory 916 or on disk storage 924. It is to be appreciated that the subject matter disclosed herein can be implemented with various operating systems or combinations of operating systems.
- a user enters commands or information into the computer 912 through input device(s) 936.
- Input devices 936 include, but are not limited to, a pointing device such as a mouse, trackball, stylus, touch pad, keyboard, microphone, joystick, game pad, satellite dish, scanner, TV tuner card, digital camera, digital video camera, web camera, and the like. These and other input devices connect to the processing unit 914 through the system bus 918 via interface port(s) 938.
- Interface port(s) 938 include, for example, a serial port, a parallel port, a game port, and a universal serial bus (USB).
- Output device(s) 940 use some of the same type of ports as input device(s) 936.
- a USB port may be used to provide input to computer 912, and to output information from computer 912 to an output device 940.
- Output adapter 942 is provided to illustrate that there are some output devices 940 like monitors, speakers, and printers, among other output devices 940, that require special adapters.
- the output adapters 942 include, by way of illustration and not limitation, video and sound cards that provide a means of connection between the output device 940 and the system bus 918. It should be noted that other devices and/or systems of devices provide both input and output capabilities such as remote computer(s) 944.
- Computer 912 can operate in a networked environment using logical connections to one or more remote computers, such as remote computer(s) 944.
- the remote computer(s) 944 can be a personal computer, a server, a router, a network PC, a workstation, a microprocessor based appliance, a peer device or other common network node and the like, and typically includes many or all of the elements described relative to computer 912. For purposes of brevity, only a memory storage device 946 is illustrated with remote computer(s) 944.
- Remote computer(s) 944 is logically connected to computer 912 through a network interface 948 and then physically connected via communication connection 950.
- Network interface 948 encompasses communication networks such as local-area networks (LAN) and wide-area networks (WAN).
- LAN technologies include Fiber Distributed Data Interface (FDDI), Copper Distributed Data Interface (CDDI), Ethernet/IEEE 802.3, Token Ring/IEEE 802.5 and the like.
- WAN technologies include, but are not limited to, point-to-point links, circuit switching networks like Integrated Services Digital Networks (ISDN) and variations thereon, packet switching networks, Digital Subscriber Lines (DSL), 802.1 IG, 802.1 IAJB, 802. UN, Zigbee, Ultra Wideband, Bluetooth, IRDA, and IP/USB.
- ISDN Integrated Services Digital Networks
- DSL Digital Subscriber Lines
- 802.1 IG 802.1 IAJB
- 802. UN Zigbee
- Ultra Wideband Bluetooth
- IRDA IP/USB
- Communication connection(s) 950 refers to the hardware/software employed to connect the network interface 948 to the bus 918. While communication connection 950 is shown for illustrative clarity inside computer 912, it can also be external to computer 912.
- the hardware/software necessary for connection to the network interface 948 includes, for exemplary purposes only, internal and external technologies such as, modems including regular telephone grade modems, cable modems and DSL modems, ISDN adapters, and Ethernet cards.
- Fig. 10 is a schematic block diagram of a sample-computing environment
- the system 1000 includes one or more client(s) 1010.
- the client(s) 1010 can be hardware and/or software (e.g., threads, processes, computing devices).
- the system 1000 also includes one or more server(s) 1030.
- the server(s) 1030 can also be hardware and/or software (e.g., threads, processes, computing devices).
- the servers 1030 can house threads to perform transformations, for example.
- One possible communication between a client 1010 and a server 1030 may be in the form of a data packet adapted to be transmitted between two or more computer processes.
- the system 1000 includes a communication framework 1050 that can be employed to facilitate communications between the client(s) 1010 and the server(s) 1030.
- the client(s) 1010 are operably connected to one or more client data store(s) 1060 that can be employed to store information local to the client(s) 1010.
- the server(s) 1030 are operably connected to one or more server data store(s) 1040 that can be employed to store information local to the servers 1030.
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0609638-7A BRPI0609638B1 (en) | 2005-04-25 | 2006-04-24 | Network Communications System and Network Discovery Method and System |
KR1020077022811A KR101247027B1 (en) | 2005-04-25 | 2006-04-24 | Trans-network roaming and resolution with web services for devices |
JP2008509063A JP5036704B2 (en) | 2005-04-25 | 2006-04-24 | Moving between networks using web services for devices |
CA2601893A CA2601893C (en) | 2005-04-25 | 2006-04-24 | Trans-network roaming and resolution with web services for devices |
MX2007011867A MX2007011867A (en) | 2005-04-25 | 2006-04-24 | Trans-network roaming and resolution with web services for devices. |
CN2006800103035A CN101501665B (en) | 2005-04-25 | 2006-04-24 | Trans-network roaming and resolution with web services for devices |
AU2006241233A AU2006241233B2 (en) | 2005-04-25 | 2006-04-24 | Trans-network roaming and resolution with web services for devices |
NO20074612A NO338965B1 (en) | 2005-04-25 | 2007-09-12 | Network-wide roaming and solution with web services for devices |
EGPCTNA2007001158A EG26499A (en) | 2005-04-25 | 2007-10-25 | A system and a method to facilitate determination of the address between the devices in communications network |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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US67461905P | 2005-04-25 | 2005-04-25 | |
US60/674,619 | 2005-04-25 | ||
US11/291,062 US8117340B2 (en) | 2005-04-25 | 2005-11-30 | Trans-network roaming and resolution with web services for devices |
US11/291,062 | 2005-11-30 |
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WO2006116449A2 true WO2006116449A2 (en) | 2006-11-02 |
WO2006116449A3 WO2006116449A3 (en) | 2009-04-16 |
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CA2601893A1 (en) | 2006-11-02 |
CN101501665B (en) | 2013-06-05 |
AU2006241233A1 (en) | 2006-11-02 |
NO20074612L (en) | 2007-11-20 |
MX2007011867A (en) | 2007-10-04 |
CN102176727A (en) | 2011-09-07 |
KR101247027B1 (en) | 2013-03-25 |
US8117340B2 (en) | 2012-02-14 |
BRPI0609638A2 (en) | 2010-04-20 |
KR20080010391A (en) | 2008-01-30 |
WO2006116449A3 (en) | 2009-04-16 |
US20060242322A1 (en) | 2006-10-26 |
NO338965B1 (en) | 2016-11-07 |
TW200701713A (en) | 2007-01-01 |
JP5036704B2 (en) | 2012-09-26 |
AU2006241233B2 (en) | 2011-06-09 |
RU2007139515A (en) | 2009-04-27 |
EG26499A (en) | 2013-12-24 |
CA2601893C (en) | 2013-12-31 |
CN101501665A (en) | 2009-08-05 |
TWI413389B (en) | 2013-10-21 |
JP2008539672A (en) | 2008-11-13 |
BRPI0609638B1 (en) | 2018-06-05 |
RU2417418C2 (en) | 2011-04-27 |
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