Coherent access to and update of configuration information...

Details Coherent access to and update of configuration information... Coherent access to and update of configuration information...

2005-05-17

2005-05-17

Pezzlo, John (Department: 2662)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C712S028000, C712S227000

Reexamination Certificate

active

06895013

ABSTRACT:
A database management and indexing technique provides coherent access to and update of dynamic configuration information stored in a database associated with a multiprocessing environment of an aggregation router. The multiprocessing environment comprises a forwarding engine configured as a computing matrix of processors that operate on packets in a parallel as well as a pipeline fashion. A unique handle, i.e., a virtual common coherency index (VCCI) value, is associated with an interface regardless of whether it is a virtual or a physical interface. When a packet enters the computing matrix, it is classified and assigned a VCCI value based upon the interface over which it is received at or transmitted from the router. The assigned VCCI value is then passed along with the packet to each feature that processes the packet.

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