Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 2004/07/01 Vol. E87-DNo. 7pp. 1625-1632 Type of Manuscript: Special Section PAPER (Special Section on Hardware/Software Support for High Performance Scientific and Engineering Computing) Category: Networking and System Architectures Keyword: cluster computing, multicast routing, routing delay, hypercube, delay, source tree, shared tree, resource utilization,