Device and process for efficient multicasting

Details Device and process for efficient multicasting Device and process for efficient multicasting

2007-10-08

2011-11-01

Sefcheck, Gregory (Department: 2477)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S412000

Reexamination Certificate

active

08050263

ABSTRACT:
A method and apparatus for allocating pointers in a network switch managing a multicast transmission includes receiving a frame in the switch and assigning pointers in an ingress module to buffer the frame, forwarding pointers along with a header including an egress variable indicative of a number of transmissions in the multicast transmission to an egress module for transmission of the frame, forwarding the egress variable after transmission of the frame to a multicast module, monitoring the transmission of the frame based upon the egress variable, and returning pointers to a free list responsive to the monitoring step and a value of the egress variable.

REFERENCES:
patent: 6535489 (2003-03-01), Merchant et al.
patent: 7035273 (2006-04-01), Pannell et al.
patent: 7502366 (2009-03-01), Erimli et al.
patent: 2006/0187949 (2006-08-01), Seshan et al.
patent: 2006/0259572 (2006-11-01), Brown

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