Method and system for inter-domain loop protection using a...

Details Method and system for inter-domain loop protection using a... Method and system for inter-domain loop protection using a...

2006-10-24

2006-10-24

Nguyen, Chau (Department: 2616)

Multiplex communications

Network configuration determination

Using a particular learning algorithm or technique

C370S401000

Reexamination Certificate

active

07126923

ABSTRACT:
A method and system is provided for inter-domain loop protection using a hierarchy of loop resolving protocols. The method includes receiving messages from inter-domain switches. The inter-domain switches belong to a plurality of loop-free network topology domains. A logical domain is abstracted that includes the inter-domain switches and logical links that connect the switches. Each logical link represents one of the physical loop free network topology domains that the inter-domain switches belong to. Then, the loops in the logical domain are eliminated. One or more logical links and ports associated with those logical links may be blocked to break the loops. This provides for a network free of inter-domain loops.

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U.S. Appl. No. 10/163,179, titled System and Method for a Virtual Local Area Network to Span Multiple Loop Free Network Topology Domains filed Jun. 3, 2002 inventors Merchant et al. Application pending.
U.S. Appl. No. 09/999,796, titled Ethernet Automatic Protection Switching filed Oct. 31, 2001 inventorsYip et al. Application Pending.

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