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Label Algorithm for Delay-Constrained Dynamic Multicast Routing
Takuya ASAKA Takumi MIYOSHI Yoshiaki TANAKA
Publication
IEICE TRANSACTIONS on Communications
Vol.E84-B
No.1
pp.55-62 Publication Date: 2001/01/01 Online ISSN:
DOI: Print ISSN: 0916-8516 Type of Manuscript: PAPER Category: Network Keyword: multicast, routing, delay constraint, dynamic, algorithm,
Full Text: PDF>>
Summary:
Many new multimedia applications involve multiple dynamically changing participants, have stringent source-to-end delay requirements, and consume large amounts of network resources. A conventional algorithm that allows "two coming paths," where nodes in a multicast tree transmit several identical data flows, is therefore not practical. We have developed an algorithm for delay-constrained dynamic routing. This algorithm uses a QoS label to prevent the occurrence of "two coming paths," and can construct an efficient multicast tree for any traffic volume. The proposed algorithm was superior to conventional routing algorithms in terms of cost when nodes were added to or removed from the multicast group during a steady-state simulation.
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