On Approximating a Multicast Routing Tree with Multiple Quality-of-Service Constraints

Jun HUANG, Yoshiaki TANAKA, Yan MA

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Summary :

Multicast routing with Quality-of-Service (QoS) guarantees is the key to efficient content distribution and sharing. Developing QoS-aware multicast routing algorithm is an important open topic. This paper investigates QoS-aware multicast routing problem with K constraints where K > 2. The contributions made in this paper include a heuristic that employs the concept of nonlinear combination to extend the existing well-known algorithm for fast computation of a QoS multicast tree, and a Fully Polynomial Time Approximation Scheme (FPTAS) to approximate a multicast routing tree with QoS guarantees. The theoretical analyses and simulations conducted on both algorithms show that the algorithms developed in this paper are general and flexible, thus are applicable to the various networking systems.

Publication
IEICE TRANSACTIONS on Communications Vol.E95-B No.6 pp.2005-2012
Publication Date
2012/06/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E95.B.2005
Type of Manuscript
PAPER
Category
Network

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