Method and system for inter-domain loop protection using a hierarchy of loop resolving protocols
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United States of America Patent
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Issued Date -
Dec 4, 2003
app pub date -
May 28, 2002
filing date -
May 28, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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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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