Demand-based distribution of internet protocol forwarding...

Details Demand-based distribution of internet protocol forwarding... Demand-based distribution of internet protocol forwarding...

2008-09-30

2010-10-19

Pezzlo, John (Department: 2465)

Multiplex communications

Data flow congestion prevention or control

Flow control of data transmission through a network

C370S389000, C370S412000, C370S419000

Reexamination Certificate

active

07817561

ABSTRACT:
Systems and methods are described that reduce the amount of forwarding table state on components within routers. This is performed by having a router line card generate a prefix-request message to its central processor which contains a full routing table. Line cards only populate their forwarding tables for packets needed to transmit. By being only concerned with information of packets that are traversing each line card, the amount of required memory and processing required may be reduced for a complete forwarding table.

REFERENCES:
patent: 7616574 (2009-11-01), Previdi et al.

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