Updating of routing data in a network element

Details Updating of routing data in a network element Updating of routing data in a network element

2008-04-01

2008-04-01

Harper, Kevin C. (Department: 2616)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S420000

Reexamination Certificate

active

10291999

ABSTRACT:
In one embodiment, an apparatus comprises a logic coupled to receive a number of data packets. The logic comprises an execution unit to generate a request for routing data for a data packet of the number of data packets. The logic also includes a memory lookup engine coupled to the execution unit and a local memory. The local memory is to store routing data for the number of data packets. The memory lookup engine is to receive the request and to update the local memory upon determining that the routing data for the data packet is not found in the local memory. Additionally, the logic includes a communication logic coupled to the memory lookup engine. The communication logic is to transmit an update message to a remote logic. The update message is to cause the remote logic to update a remote memory, wherein the update message is transmitted based on a low priority update upon determining that a buffer for update messages of the remote memory is full when the local memory is updated.

REFERENCES:
patent: 5930254 (1999-07-01), Liron et al.
patent: 5951651 (1999-09-01), Lakshman et al.
patent: 6052683 (2000-04-01), Irwin
patent: 2002/0038379 (2002-03-01), Sato et al.
patent: 2003/0097467 (2003-05-01), Sano

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