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The Wire-Speed Multicast Switch Fabric Based on Distributive Lattice
Fuxing CHEN Weiyang LIU Hui LI Dongcheng WU
IEICE TRANSACTIONS on Communications
Publication Date: 2014/07/01
Online ISSN: 1745-1345
Type of Manuscript: PAPER
boolean algebra, switching networks, multicast,
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The traditional multicast switch fabrics, which were mainly developed from the unicast switch fabrics, currently are not able to achieve high efficiency and flexible large-scale scalability. In the light of lattice theory and multicast concentrator, a novel multistage interconnection multicast switch fabric is proposed in this paper. Comparing to traditional multicast switch fabrics, this multicast switch fabric has the advantages of superior scalability, wire-speed, jitter-free multicast with low delay, and no queuing buffer. This paper thoroughly analyzes the performance of the proposed multicast switch fabric with supporting priority-based multicast. Simulations on packet loss rate and delay are discussed and presented at normalized load. Moreover, a detailed FPGA implementation is given. Practical network traffic tests provide evidence supporting the feasibility and stability of the proposed fabric.