Fault tolerance of a large-scale multicast output buffered ATM switch

Byeong Seog Choe, H. Jonathan Chao

Research output: Contribution to journalConference article

Abstract

In this paper, the fault detection, fault location, and reconfiguration schemes for a large-scale multicast output buffered ATM switch (MOBAS) are proposed. The architecture of the MOBAS has a regular and uniform structure and, thus, has the advantages of: (1) easy expansion due to the modular structure, (2) high integration density for VLSI implementation, (3) relaxed synchronization for data and clock signals, and (4) building the center switch fabric with a single type of chip. It is difficult to achieve fault tolerance in binary self-routing networks without adding additional switching planes, stages, or switching elements in order to have multiple paths due to their characteristics of a unique routing path between any input and output pair. However, since the MOBAS intrinsically has multiple paths between any input and output, it is inherently robust for faults without need to add any additional switching elements. The fault-tolerance of the MOBAS is shown through the performance analysis of the MOBAS under various fault conditions.

Original languageEnglish (US)
Pages (from-to)1456-1464
Number of pages9
JournalProceedings - IEEE INFOCOM
Volume3
StatePublished - 1994
EventProceedings of the IEEE INFOCOM'94. Part 2 (of 3) - Toronto, Ont, Can
Duration: Jun 12 1994Jun 16 1994

ASJC Scopus subject areas

  • Computer Science(all)
  • Electrical and Electronic Engineering

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