Fault Tolerant Gamma-Minus Network

Author:

Gupta S.ORCID

Abstract

In large-scale supercomputers thousands of processors are connected together to their respective memory modules which are controlled by several control units connected in parallel. Large data streams have to be communicated between these processors and memories through interconnection networks. Multistage interconnection network (MIN) is an efficient way to provide these communications at a very reasonable cost. For such large systems MIN employed should be highly reliable and fast to meet the desired specifications of these high speed switch fabrics. In this paper two new architectures of MIN are proposed which are named as fault-tolerant Gamma-Minus (FTGM-1 & FTGM-2) networks. These proposed architectures are multipath MIN with totally disjoint paths and are highly reliable and fault tolerant. The routing algorithm proposed for these structures is simple distance tag routing with non-backtracking which overcomes rerouting overheads and hence improve communication delays. The proposed MIN ensures multiple fault tolerance at each stage including input and output stage with minimal horizontal distance between source node to destination node. For validating the results, a comparison has been presented between existing MINs with these proposed designs. The proposed MINs outperform the existing MIN in terms of reliability, fault tolerance and up to some extent cost as well.

Publisher

The Electrochemical Society

Reference51 articles.

Cited by 2 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. References;Multistage Interconnection Network Design for Engineers;2023-12-13

2. Reliable Gamma-Interconnection Network for Data Analysis in Sensor Networks: Design and Performance Evaluation;ECS Sensors Plus;2023-09-01

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