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The KYKLOS multicomputer network: interconnection strategies, properties, and applications

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2 Author(s)
Menezes, B.L. ; Dept. of Electr. Eng., Maryland Univ., College Park, MD, USA ; Jenevein, R.

A tree-based interconnection architecture (called KYKLOS) for multicomputer systems is proposed. While the general form of the topology consists of multiple m-ary trees sharing a common set of leaf nodes, the focus is on the dual-tree case. One version of the dual-tree KYKLOS involves a bottom tree where the ordering of descendants of nodes at every level is an m-way shuffle. This architecture provides fault tolerance and vastly improved properties over the simple double tree while retaining the simplicity and low fan-out of the m-ary tree. Different routing strategies are presented and network properties as a function of routing strategy are investigated. The O(N2) congestion at the root of the m-ary tree is reduced to O(N1.5) while average normalized communication latencies are decreased. Applications of this architecture to facilitate parallel input/output (I/O) access and parallel processing of database operations such as the relational join are studied

Published in:

Computers, IEEE Transactions on  (Volume:40 ,  Issue: 6 )

Date of Publication:

Jun 1991

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