Route query method in ASON

Details Route query method in ASON Route query method in ASON

2006-09-29

2011-11-08

Dinh, Jack (Department: 2873)

Optical communications

Multiplex

Optical switching

C398S057000, C370S355000

Reexamination Certificate

active

08055131

ABSTRACT:
A route inquiry method in ASON for implementing the route inquiry by the network element NE1which has a protocol controller (PC) and a connection controller (CC) but without a route controller (RC) or routing database (RDB) having no enough information includes: NE1sends a protocol message of Route Request to the remote NE2, then the NE2obtains the route result according to the Route Request, and returns the result to NE1which launches the Route Request by protocol message of Route Response; the PC of NE1sends the route result to the CC of local network element after receiving the Route Response protocol message.

REFERENCES:
patent: 1764323 (2006-04-01), None
patent: 1545079 (2005-06-01), None
English language abstract of European Patent No. EP 1545079, http://ep.espacenet.com, downloaded Mar. 24, 2009.
English language abstract of Chinese Patent No. CN 1764323, http://ep.espacenet.com, downloaded Mar. 24, 2009.
Chen, Yunzhi, “Signalling and Routing for the Automatically Switched Optical Network,” Photonic Bridges (China) Ltd. Co., Beijing 100004, with English language abstract, Aug. 12, 2002.
Li, Yong, “Analysis of the Working Mechanism of Routing on ASON,” Fiberhome Technologies College of WuHan Research Institute of Post and Telecommunication, Wuhan, with English language abstract, Feb. 12, 2004.

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