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Patent Searching and Data


Title:
A METHOD FOR RESTORING ERROR LINKING SERVICE IN OPTICAL TRANSMISSION LOOP NETWORK
Document Type and Number:
WIPO Patent Application WO/2005/064825
Kind Code:
A1
Abstract:
The present invention discloses a method for restoring error linking service in optical transmission loop network, which includes: defining unique identifier for each configured service time slot; submitting the identifier information of each of said services to the net element that correlates to the service; continuously monitoring whether the net element in the optical transmission loop network enters ring switching; when detecting the net element that enters ring switching, determining the match state of the service transferred in protection channel with the service that the net element should receive, using the service identifier, and restoring service according to the match state. The method of the present invention can correct the possible error linking service according to whether track identifier of service time slot is matched or not, and make the service restored, so it is full simple and practicality.

Inventors:
SUN DESHENG (CN)
YANG JUN (CN)
Application Number:
PCT/CN2004/001395
Publication Date:
July 14, 2005
Filing Date:
December 01, 2004
Export Citation:
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Assignee:
ZTE CORP (CN)
SUN DESHENG (CN)
YANG JUN (CN)
International Classes:
H04B10/00; H04J14/00; H04J14/02; H04L12/437; (IPC1-7): H04B10/00
Foreign References:
CN1273474A2000-11-15
US6088141A2000-07-11
Attorney, Agent or Firm:
Beijing, Zhongzi Law Office (International Investment Building 6-9 Fuchengmen Beidajie, Beijing 4, CN)
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