Border gateway protocol peer dampening

Details Border gateway protocol peer dampening Border gateway protocol peer dampening

2011-01-04

2011-01-04

Sheikh, Ayaz R (Department: 2476)

Multiplex communications

Network configuration determination

C370S252000, C370S401000

Reexamination Certificate

active

07864706

ABSTRACT:
A method is disclosed for preventing an unstable BGP Peer from repeatedly initializing unstable BGP connections. In one embodiment, BGP speakers are penalized for causing errors that result in BGP restarts. When a speaker accumulates enough penalty points, its peer notifies it that it has been dampened (prevented from establishing a BGP connection). A memory decay function allows the speaker to automatically attempt a new connection once a given amount of time has passed. The method allows at least two, and possibly more, BGP speakers to avoid network and processor costs from servicing unstable BGP peerings.

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