Reliable and flexible multicast mechanism for ATM networks

Details Reliable and flexible multicast mechanism for ATM networks Reliable and flexible multicast mechanism for ATM networks

1997-01-10

1999-11-23

Kizou, Hassan

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

370401, H04L 1228, H04L 1256

Patent

active

059912987

ABSTRACT:
A method is disclosed for facilitating multicast operation in a network in which a data unit is multicast from a root node to a plurality of leaves via a plurality of branching point nodes in response to feedback processed at each branching point node. At least one cell forwarding technique is selected from a plurality of cell forwarding techniques at the respective branching point nodes. The cell forwarding techniques facilitate multicast operation by controlling forwarding and discard of multicast cells. The forwarding techniques are realized via use of a buffer ring in which cells are stored prior to forwarding. Manipulating head and tail pointers associated with the buffer ring allows for a plurality of desirable forwarding techniques.

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