WO2005069189A1 - Duplicated aaa server including an omp auditor process and method for management thereof - Google Patents

Duplicated aaa server including an omp auditor process and method for management thereof Download PDF

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Publication number
WO2005069189A1
WO2005069189A1 PCT/KR2005/000135 KR2005000135W WO2005069189A1 WO 2005069189 A1 WO2005069189 A1 WO 2005069189A1 KR 2005000135 W KR2005000135 W KR 2005000135W WO 2005069189 A1 WO2005069189 A1 WO 2005069189A1
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WO
WIPO (PCT)
Prior art keywords
aaa server
omp
status
auditor
duplicated
Prior art date
Application number
PCT/KR2005/000135
Other languages
French (fr)
Inventor
Yeon Jung Kim
Original Assignee
Utstarcom Korea Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Utstarcom Korea Limited filed Critical Utstarcom Korea Limited
Publication of WO2005069189A1 publication Critical patent/WO2005069189A1/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B1/00—Knobs or handles for wings; Knobs, handles, or press buttons for locks or latches on wings
    • E05B1/0007—Knobs
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/202—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant
    • G06F11/2023—Failover techniques
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
    • E05B9/08—Fastening locks or fasteners or parts thereof, e.g. the casings of latch-bolt locks or cylinder locks to the wing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/202—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant
    • G06F11/2038—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant with a single idle spare processing component

Definitions

  • the present invention generally relates to a duplicated Authentication, Authorization and Accounting (AAA) server and a method for managing the same, and more particularly to a duplicated AAA server, which includes an Operation and Maintenance Processor (OMP) auditor process for monitoring a change in the Active/Standby status in an AAA server, and a method for managing the same.
  • AAA Authentication, Authorization and Accounting
  • OMP Operation and Maintenance Processor
  • an OMP accepts several types of command from a user interface, returns an execution result of the command, detects whether any fault occurs during executing the command, sends the detection result to the user interface, and thereby enables the operators to be informed of the status of an AAA server promptly and clearly.
  • a disadvantage in that, when the status of the AAA server is changed from Active to Standby or vice versa due to a failure (except a failure originated from the information collected by an OMP within a duplicated AAA server), the operators are not able to detect the failure.
  • the operators since it takes much time for the operators to detect the failure and to further update information of the status on the user interface, the operators are not able to cope with the failure promptly.
  • Fig. 1 is a diagram illustrating an exemplary embodiment of a duplicated
  • FIG. 2 is a flow chart illustrating a method of managing a duplicated AAA server using an OMP auditor according to an embodiment of the present invention.
  • An objective of the present invention is to provide a duplicated AAA server and a method for managing the same, which makes an OMP auditor to monitor the status of the duplicated AAA server and thereby enables the operators to cope with the failure promptly and clearly.
  • the present invention provides a duplicated AAA server, comprising: a first AAA server and a second AAA server each having an Active/ Standby status; a first OMP for executing commands from a user interface and returning a result of the execution to the first AAA server; a first OMP auditor for detecting a status of the first AAA server and sending the status to the user interface; a second OMP for executing commands from the user interface and returning a result of the execution to the second AAA server; and a second OMP auditor for detecting a status of the second AAA server and sending the status to the user interface.
  • the present invention also provides a method for managing an AAA server, the method comprising the steps of: determining whether a failure occurs in the AAA server by the OMP auditor; if the failure occurs, detecting an Active/Standby status in the AAA server by the OMP auditor; and if a change of the status between Active and Standby exists in the AAA server, returning to the determining step and if not, sending status information of the AAA server to a user interface.
  • Fig. 1 is a schematic diagram illustrating an implementation of a duplicated
  • the duplicated AAA server of the present invention comprises a first AAA server and a second AAA server, each having an Active and a Standby status exclusively.
  • the first AAA server 20 comprises a first Operation and Management Processor (OMP) 21 and a first OMP auditor 22.
  • the second AAA server 30 comprises a second
  • the first OMP 21 of the first AAA server 20 and the second OMP 32 of the second AAA server 30 accept commands from a user interface 10, and then execute them. By way of an example, they accept commands such as 'Start Process', 'Stop Process 1 , 'Start Monitoring' and 'Stop Monitoring', execute the commands and then send the result of the execution on the user interface 10.
  • commands such as 'Start Process', 'Stop Process 1 , 'Start Monitoring' and 'Stop Monitoring', execute the commands and then send the result of the execution on the user interface 10.
  • the AAA server which is only in the Active status, runs.
  • the AAA server which is in the Standby status, would run only after there occurs a failure such as when the AAA server in the Active status shuts down.
  • the OMP therefore, needs to detect the status of the AAA server clearly, send the status to the user interface and enable an operator to cope with the failure promptly.
  • the first OMP auditor 22 and the second OMP auditor 32of the present invention consistently monitors the status of the AAA server. More specifically, each of the first OMP auditor 22 and the second OMP auditor 32 detects the statuses of the first AAA server and the second AAA server, and then sends the results to the user interface 10. Therefore, when the status of the AAA server changed from one status to another, it becomes possible for the operator to be informed of such change without any delay and to cope with that promptly.
  • the duplicated AAA server having the status of Active and Standby, the
  • FIG. 2 is a flow chart illustrating an implementation of a method for managing an AAA server using an OMP auditor in accordance with the present invention.
  • the OMP auditor always monitors the status change of the AAA server and sends the status information to the user information 10. More specifically, if there occurs any failure in the AAA server (SI), the OMP auditor detects the status of the AAA server (S2). If the status of the AAA server changes from Active to
  • the OMP auditor continues to monitor the status of the AAA server. However, if there is no status change despite the failure of the AAA server, the OMP auditor sends the information of the failure to the user interface (S4).
  • the method of managing a server using the OMP auditor within the duplicated AAA server of the present invention resolves the problem of the conventional OMP, which cannot detect the status change of the AAA server, and provides benefits, which enable operators to verify the status of the AAA server all the time.

Abstract

The present invention relates to a duplicated Authentication, Authorization and Accounting (AAA) server, which includes an Operation and Maintenance Processor (OMP) auditor process for monitoring a change of the Active/Standby status in an AAA server, and a method for managing the saure. In a conventional duplicated AAA server, a user cannot verify the status change for exceptions, whose information cannot be monitored by the OMP. In order to resolve this problem, the invention provides an auditor process, which checks the status of OMP periodically. With this auditor process, a user is always able to verify the status of the AAA server in case of exceptions, which cannot be detected by a regular OMP.

Description

DUPLICATED AAA SERVER INCLUDING AN OMP AUDITOR PROCESS AND METHOD FOR MANAGEMENT THEREOF
TECHNICAL FIELD The present invention generally relates to a duplicated Authentication, Authorization and Accounting (AAA) server and a method for managing the same, and more particularly to a duplicated AAA server, which includes an Operation and Maintenance Processor (OMP) auditor process for monitoring a change in the Active/Standby status in an AAA server, and a method for managing the same.
BACKGROUND ART Typically, an OMP accepts several types of command from a user interface, returns an execution result of the command, detects whether any fault occurs during executing the command, sends the detection result to the user interface, and thereby enables the operators to be informed of the status of an AAA server promptly and clearly. However, there exists a disadvantage in that, when the status of the AAA server is changed from Active to Standby or vice versa due to a failure (except a failure originated from the information collected by an OMP within a duplicated AAA server), the operators are not able to detect the failure. Moreover, since it takes much time for the operators to detect the failure and to further update information of the status on the user interface, the operators are not able to cope with the failure promptly.
BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a diagram illustrating an exemplary embodiment of a duplicated
AAA server using an OMP auditor according to an embodiment of the present invention. Fig. 2 is a flow chart illustrating a method of managing a duplicated AAA server using an OMP auditor according to an embodiment of the present invention.
DISCLOSURE OF THE INVENTION An objective of the present invention is to provide a duplicated AAA server and a method for managing the same, which makes an OMP auditor to monitor the status of the duplicated AAA server and thereby enables the operators to cope with the failure promptly and clearly. To achieve the above objective, the present invention provides a duplicated AAA server, comprising: a first AAA server and a second AAA server each having an Active/ Standby status; a first OMP for executing commands from a user interface and returning a result of the execution to the first AAA server; a first OMP auditor for detecting a status of the first AAA server and sending the status to the user interface; a second OMP for executing commands from the user interface and returning a result of the execution to the second AAA server; and a second OMP auditor for detecting a status of the second AAA server and sending the status to the user interface. To achieve the above objective, the present invention also provides a method for managing an AAA server, the method comprising the steps of: determining whether a failure occurs in the AAA server by the OMP auditor; if the failure occurs, detecting an Active/Standby status in the AAA server by the OMP auditor; and if a change of the status between Active and Standby exists in the AAA server, returning to the determining step and if not, sending status information of the AAA server to a user interface.
BEST MODES FOR CARRYING OUT THE INVENTION In view of the provided figures, a preferred embodiment of the present invention, which is in accordance with the subject matter disclosed above, will be described in detail. Fig. 1 is a schematic diagram illustrating an implementation of a duplicated
AAA server using an OMP auditor in accordance with the present invention. The duplicated AAA server of the present invention comprises a first AAA server and a second AAA server, each having an Active and a Standby status exclusively. The first AAA server 20 comprises a first Operation and Management Processor (OMP) 21 and a first OMP auditor 22. The second AAA server 30 comprises a second
OMP 31 and a second OMP auditor 32. The first OMP 21 of the first AAA server 20 and the second OMP 32 of the second AAA server 30 accept commands from a user interface 10, and then execute them. By way of an example, they accept commands such as 'Start Process', 'Stop Process1, 'Start Monitoring' and 'Stop Monitoring', execute the commands and then send the result of the execution on the user interface 10. Within the duplicated AAA server, the AAA server, which is only in the Active status, runs. On the other hand, the AAA server, which is in the Standby status, would run only after there occurs a failure such as when the AAA server in the Active status shuts down. The OMP, therefore, needs to detect the status of the AAA server clearly, send the status to the user interface and enable an operator to cope with the failure promptly. However, since there exists a disadvantage in that, in the AAA server, the OMP is not able to detect the changes of the status due to failures (except the failure originated from the information collected by the OMP), the first OMP auditor 22 and the second OMP auditor 32of the present invention consistently monitors the status of the AAA server. More specifically, each of the first OMP auditor 22 and the second OMP auditor 32 detects the statuses of the first AAA server and the second AAA server, and then sends the results to the user interface 10. Therefore, when the status of the AAA server changed from one status to another, it becomes possible for the operator to be informed of such change without any delay and to cope with that promptly. In the duplicated AAA server having the status of Active and Standby, the
OMP auditors of the present invention for managing the duplicated status monitor the Active and the Standby status of the each AAA server, only after a DBMS, the duplicated AAA server and OMP auditors of each AAA server are initiated sequentially. Fig. 2 is a flow chart illustrating an implementation of a method for managing an AAA server using an OMP auditor in accordance with the present invention. The OMP auditor always monitors the status change of the AAA server and sends the status information to the user information 10. More specifically, if there occurs any failure in the AAA server (SI), the OMP auditor detects the status of the AAA server (S2). If the status of the AAA server changes from Active to
Standby, such change is normal. Therefore, the OMP auditor continues to monitor the status of the AAA server. However, if there is no status change despite the failure of the AAA server, the OMP auditor sends the information of the failure to the user interface (S4). The method of managing a server using the OMP auditor within the duplicated AAA server of the present invention resolves the problem of the conventional OMP, which cannot detect the status change of the AAA server, and provides benefits, which enable operators to verify the status of the AAA server all the time.

Claims

1. A duplicated Authentication, Authorization and Accounting (AAA) server, comprising: a first AAA server and a second AAA server each having an Active status and a Standby status; a first Operation and Maintenance Processor (OMP) for executing commands from a user interface and returning a result of the execution to the first AAA server; a first OMP Auditor for detecting a status of the first AAA server and sending the status to the user interface; a second OMP for executing commands from the user interface and returning a result of the execution to the second AAA server; and a second OMP Auditor for detecting a status of the second AAA server and sending the status to the user interface.
2. The duplicated AAA server of Claim 1 , further comprising a user interface for entering commands to the first AAA server and the second AAA server and detecting the status of the first AAA server and the second AAA server.
3. A method of managing a duplicated AAA server using an OMP auditor, the method comprising the steps of: determining whether there occurs a failure in the AAA server by the OMP auditor; if the failure occurs, detecting an Active/Standby status in the AAA server by the OMP auditor; and if a change of the status between Active and Standby occurs in the AAA server, returning to the determining step and if not, sending status information of the AAA server to a user interface.
PCT/KR2005/000135 2004-01-15 2005-01-14 Duplicated aaa server including an omp auditor process and method for management thereof WO2005069189A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020040002977A KR20050075484A (en) 2004-01-15 2004-01-15 Duplicated aaa server including omp auditor process and method of managing thereof
KR10-2004-0002977 2004-01-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010121649A1 (en) 2009-04-21 2010-10-28 Nokia Siemens Networks Oy Intra-realm aaa fallback mechanism

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998049620A1 (en) * 1997-04-25 1998-11-05 Symbios, Inc. Redundant server failover in networked environment
US5852724A (en) * 1996-06-18 1998-12-22 Veritas Software Corp. System and method for "N" primary servers to fail over to "1" secondary server
KR20020054139A (en) * 2000-12-27 2002-07-06 박종섭 Aaa server dual device and method usig sun cluster way
KR20030037423A (en) * 2001-11-05 2003-05-14 한국전자통신연구원 Duplication method of AAA system using pre-established transport layer security association
KR20030092924A (en) * 2002-05-31 2003-12-06 주식회사 현대시스콤 Method for visible and audible alarm of OMP a time transaction error in AAA server system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5852724A (en) * 1996-06-18 1998-12-22 Veritas Software Corp. System and method for "N" primary servers to fail over to "1" secondary server
WO1998049620A1 (en) * 1997-04-25 1998-11-05 Symbios, Inc. Redundant server failover in networked environment
KR20020054139A (en) * 2000-12-27 2002-07-06 박종섭 Aaa server dual device and method usig sun cluster way
KR20030037423A (en) * 2001-11-05 2003-05-14 한국전자통신연구원 Duplication method of AAA system using pre-established transport layer security association
KR20030092924A (en) * 2002-05-31 2003-12-06 주식회사 현대시스콤 Method for visible and audible alarm of OMP a time transaction error in AAA server system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010121649A1 (en) 2009-04-21 2010-10-28 Nokia Siemens Networks Oy Intra-realm aaa fallback mechanism
US8726068B2 (en) 2009-04-21 2014-05-13 Nokia Seimens Networks Oy Intra-realm AAA fallback mechanism
US9087023B2 (en) 2009-04-21 2015-07-21 Nokia Solutions And Networks Oy Intra-realm AAA fallback mechanism

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