US 6,870,844 B2 | Apparatus and methods for efficient multicasting of data packets

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US 6,870,844 B2

Apparatus and methods for efficient multicasting of data packets

Tech Center:

2600 Communications

Examiner:

Duc Ho

Art Unit:

2665 Digital Cameras; Image Analysis; Applications; pattern Recognition; Color and Compression; Enhancement and Transformation

Agent:

Central Coast Patent Agency, Inc

Inventors:

Russ Tuck; David Skirmont; Puneet Agarwal

Assignee:

PARITY NETWORKS LLC

Priority:

03/06/01

Filed:

05/10/01

Granted:

03/22/05

Expiration:

03/27/21

Abstract

A multicast engine is provided in plurality within a router for replicating and/or modifying packets identified as multicast packets. In preferred embodiments the engine is integrated with one or more ports of a router, particularly with one or more ports of fabric cards. In one implementation the multicast engine is associated with a table having instructions for replicating or modifying multicast packets received, and forwarding the packets accordingly.

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