IP Library Granted Patent US 6,847,608
Granted Patent B1
US 6,847,608 · App. 09/395,206 · Granted Jan 25, 2005

Path management and test method for switching system

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Quick Facts
Patent No.
US 6,847,608
App. No.
09/395,206
Granted
Jan 25, 2005
Kind
B1
Abstract

The present invention relates to a switching system, and in particular to a path management method for a switching system which is capable of periodically checking a path state of each hardware board in a switching system of a dual active structure, managing the checked state based on a database, so that an operator recognizes a change in the states of the hardware boards. In addition, the present invention provided a standby path capable of searching an actual active path at the current point based on the database. A path test method for a switching system is provided for thereby implementing a path test for an entire interval or a certain interval with respect to the active and standby paths. Therefore, in the present invention, it is possible to enhance a continuity and reliability of a service and implement an easier maintenance of the system.

Claims (22)

1. A switching system which includes a plurality of devices formed in a dual active structure, a device controller for controlling the devices, and a main processor, a path management and testing method for the switching system, comprising:

using the device controller to check a valid path and state change for each device, for forming a database using the main processor;

searching the database and confirming a standby path;

performing a path test for an entire interval or a certain interval with respect to the active or standby path wherein said path test includes:

receiving a parameter value used for the path test,

forming a test path based on the parameter value,

inserting a test pattern data into an input side device,

extracting a test pattern data from an output side device, and

judging an error with respect to the test path interval by comparing an input data and an extraction data; and

performing an interval-based path test when the input data and the extracted data are different and searching for an error interval.

2. In a switching system of a dual active structure, a standby path test method, comprising:

checking an active path formed in a direction of a matched receiving board provided at a receiving side terminal, checking an active path in the reverse direction of a data transmission direction, and searching an entire active path by checking a switching path of the board connected to the active path;

setting a reverse path of the active path as a standby path; and

performing a path test with respect to the set standby path, wherein said path test includes:

receiving a certain parameter value needed for the path test;

forming a switching path based on the set standby path;

inserting a test pattern data from the output side device;

judging whether there is an error in the standby path based on a comparison result with respect to the input data and the extraction data; and

searching an error interval by performing an inter-based path test in the case that the input data and the extracted data are not same.

3. The method of claim 2 , further comprising repeatedly performing a test by setting a number of repetitions and period.

4. The method of claim 2 , wherein said parameter value indicates a test type, a board for inserting or extracting a test pattern data, a subsystem for mounting the board, a link number in the subsystem, and a pattern data used for the test.

5. The method of claim 4 , wherein said parameter value indicates a test repetition period and repetition number.

Assignments (4)
CHANGE OF NAME Recorded Feb 24, 2011
From: LG-NORTEL CO., LTD.
To: LG-ERICSSON CO., LTD.
Reel/Frame 025948/0842 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 5, 2006
From: LG ELECTRONICS INC.
To: LG NORTEL CO., LTD.
Reel/Frame 018296/0720 →
MERGER Recorded Oct 27, 2005
From: LG INFORMATION & COMMUNICATIONS, LTD.
To: LG ELECTRONICS INC.
Reel/Frame 017153/0155 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 14, 1999
From: YEO, NAM-SOO; KIM, IN-TAE; KIM, JONG-HO; HWANG, IN-HWAN
To: LG INFORMATION & COMMUNICATIONS, LTD.
Reel/Frame 010252/0742 →