Multicast Routing in GMPLS Networks with Unequal Branching Capability

Peigang HU  Yaohui JIN  Weisheng HU  Yikai SU  Wei GUO  Chunlei ZHANG  Hao HE  Weiqiang SUN  

IEICE TRANSACTIONS on Communications   Vol.E88-B   No.4   pp.1682-1684
Publication Date: 2005/04/01
Online ISSN: 
DOI: 10.1093/ietcom/e88-b.4.1682
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Switching for Communications
routing,  multicast,  branching capability,  overlapped tree,  

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In this letter, we study dynamic multicasting in GMPLS networks with unequal branching capability. An overlapped multicasting tree is proposed to reduce blocking probability, which can utilize the branching capabilities more efficiently than the traditional Steiner tree. A nearest node branch first heuristic is developed to find such an overlapped tree.