Virtual line switched ring (VLSR) connection state...

Details Virtual line switched ring (VLSR) connection state... Virtual line switched ring (VLSR) connection state...

2007-01-23

2007-01-23

Duong, Frank (Department: 2616)

Multiplex communications

Fault recovery

Bypass an inoperative station

C370S403000, C370S406000

Reexamination Certificate

active

10824380

ABSTRACT:
Systems and methods consistent with this invention allow for each node within one or more rings to obtain connection and topology information from other nodes within these rings. In such a system, each node is able to maintain connection table and topology tables for each node and each ring within a ring network. In particular, such information can be kept current because this scheme allows for dynamic updating of connection and topology information in real time. With such current information, a node is able to utilize this information to execute such operations as squelching connections on a protect line and timeslot interchange. In addition, by supporting timeslot interchange, the ring can be managed as more than a single logical entity as well as can have better bandwidth management utilization.

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Wu, Emerging Technologies for Fiber Network Survivability, IEEE, pp. 60-74, 1995.

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