Electrical computers and digital processing systems: multicomput – Computer-to-computer data routing
Reexamination Certificate
2006-12-26
2006-12-26
Jaroenchonwanit, Bunjob (Department: 2152)
Electrical computers and digital processing systems: multicomput
Computer-to-computer data routing
C370S352000, C370S353000, C370S354000, C370S355000, C370S356000
Reexamination Certificate
active
07155535
ABSTRACT:
An inter-network method for distributing a path-vector routing protocol within a multi-processor router has steps of running an instance of a router-distributed Border Gateway Protocol (rdBGP) on each of a plurality of processors of the multi-processor router, establishing routing sessions between individual instances of rdBGP running on separate processors of the multi-processor router, and between individual ones of the instances of rdBGP and external protocol peers, exchanging routing information between instances of rdBGP and the external protocol peers, wherein the instances of rdBGP learn, from the external protocol peers, routes for a plurality of destinations, calculating independently, by each instance of rdBGP, a set of routes, including a best route, from each of the plurality of destinations learned from the external protocol peers, and sharing route information determined with the other instances of rdBGP running on separate processors in the multi-processor router, and updating route information according to information received from the other instances of rdBGP. Routing information is further shared with the external protocol peers, and fault tolerance is provided in some embodiments by establishing redundant communication sessions with external protocol peers.
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Agarwal Puneet
Basturk Erol
Menezes Vivek
Boys Donald R.
Central Coast Patent Agency Inc
Doan Duyen
Pluris, Inc.
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