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<p><b>Abstract</b>—In this paper, we address the problems of constructing both source-based and core-based many-to-many multicast trees for applications with delay and/or delay jitter constraints. We use the <it>source-destination delay bound</it> and the <it>interdestination delay jitter bound</it> as the QoS requirement and formulate the <it>Delay and Delay Jitter Constrained Many-to-Many Multicast Tree</it> (<tmath>D^2 M^3 T</tmath>) problems. For the source-based, many-to-many multicast paradigm, we extend an existing scheme that builds a one-to-many, QoS-compliant multicast tree and devise a solution scheme that first finds a feasible multicast tree for each source node in the multicast group and then a minimum cover of these multicast trees such that there exists at least one feasible multicast tree in the minimum cover for each source node. For the core-based, many-to-many multicast paradigm, we first derive a necessary and sufficient condition for a core-based multicast tree to be feasible and then devise a solution scheme based on the condition derived. We validate and evaluate both proposed schemes via simulations.</p>
QoS, many-to-many multicast routing, delay and delay jitter constraints, source-based multicast tree, core-based multicast tree.
Hung-Ying Tyan, Jennifer C. Hou, Bin Wang, "Many to Many Multicast Routing With Temporal Quality of Service Guarantees", IEEE Transactions on Computers, vol. 52, no. , pp. 826-832, June 2003, doi:10.1109/TC.2003.1204837
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