Some Architectural Considerations for Large-Scale Fail-Safe ATM-SONET Networks
In this paper we examine the introduction of ATM and SONET technologies in large-scale wide-area networks (WAN’s) such as those used in the bulk electric power distribution industry, as this term is used by the Northeast Power Coordinating Council (NPCC)1. We take as an example of such a network the internal communications system at Hydro-Quebec, the principal supplier of electrical power in the Province of Quebec, although the principles to be discussed could be applied to many other similar networks.
KeywordsLocal Area Network Asynchronous Transfer Mode Metropolitan Area Network Electric Power Grid Synchronous Digital Hierarchy
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