Title

Time-space-wavelength networks for low-complexity processor interconnection

Abstract

This paper studies a flexible hierarchic design approach of large processor networks with distributed media access. The cluster-based interconnection combines passive metal buses and passive optical star couplers at two hierarchic levels, independently employing interleaved TDMAfor conflict-free interprocessor communication. The system delay analysis highlights the tradeoffs of arbitrarily combining space-division at the local level, wavelengthdivision at the global level, with time-division as a conflictfree access scheme at both levels and in the form of a speedup factor associated with optical transmission. The frame synchronization time that dominates the access delay in TDMA-basedprotocols is broken down into two additive rather than multiplicative factors. The paper proposes a simple distributed slot synchronization scheme that does not require a centralized system clock. It is shown that this hierarchic approach has the advantages of modularity, expansion flexibility, complexity and performance-wise scalability, and spatial bandwidth re-use.

Publication Date

1-1-1994

Publication Title

Proceedings of the 1st International Workshop on Massively Parallel Processing Using Optical Interconnections, MPPOI 1994

Number of Pages

281-292

Document Type

Article; Proceedings Paper

Identifier

scopus

Personal Identifier

scopus

DOI Link

https://doi.org/10.1109/MPPOI.1994.336616

Socpus ID

85063472140 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/85063472140

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