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CORErouter-I: An Experimental Parallel IP Router Using a Cluster of Workstations
Mitsuru MARUYAMA Naohisa TAKAHASHI Takeshi MIEI Tsuyoshi OGURA Tetsuo KAWANO Satoru YAGI
IEICE TRANSACTIONS on Communications
Publication Date: 1997/10/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Network Interworking)
Category: System architecture
internet, router, TCP/IP, parallel processing, workstation cluster, routing protocol,
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A parallel IP router that uses off-the-shelf wor-kstations and interconnecting switches is presented. This router, called CORErouter-I, is a medium-grained, functionally distributed parallel system consisting of four kinds of processors for routing, routing-table searching, servicing, and line interfacing. Also discussed are issues related to the implementation of CORErouter-I, especially in terms of routing protocol processing and packet-forwarding. Performance characteristics of CORErouter-I are also clarified through several experiments performed to evaluate maximum throughput, analyze packet-forwarding time, and estimate the effect of parallel processing on the route-flapping problem.