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Realizing fault-tolerant interconnection networks via chaining

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3 Author(s)
Tzeng, N.-F. ; Center for Adv. Comput. Studies, Southwestern Louisiana Univ., Lafayette, IN, USA ; Yew, P.-C. ; Zhu, C.-Q.

A scheme applicable to a wide class of multistage interconnection networks to enhance their fault-tolerant capability is proposed. Multiple paths between each input-output pair of a network are created by connecting switching elements within the same stage. This scheme provides a network with alternative paths at every stage, requires a simple self-routing algorithm, and allows a network to become more robust as its size increases. An analysis is performed to obtain a quantitative measurement of the reliability improvement of the scheme

Published in:

Computers, IEEE Transactions on  (Volume:37 ,  Issue: 4 )