CRAM: Cell Re-labeling At Merge-points for ATM multicast |
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Authors: | Komandur Sridhar Crowcroft Jon Mossé Daniel |
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Affiliation: | (1) IP Switching Division, Ascend Communications, Westford, MA 01886, USA;(2) Computer Science Department, University College London, London, WC1 6BT, UK;(3) Computer Science Department, University of Pittsburgh, Pittsburgh, PA 15260, USA |
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Abstract: | Many distributed multimedia applications involve data delivery from a source to multiple destinations, the participating nodes
forming a multicast group. In the naive solution, separate connections can be established from each source to other group
members. However, a tree can be established for each source with the participants as the leaf nodes or just have one tree
spanning all the participants. In this paper, we introduce a data forwarding model to support such shared multicast trees
over the ATM networks called CRAM (Cell Re-labeling At Merge-points for ATM multicast). Our work allows VC merging in the
MPLS architecture and supports recently proposed wide area multicast protocols (like CBT and PIM) in ATM networks.
This revised version was published online in August 2006 with corrections to the Cover Date. |
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