NDLI: EDA application in the Telefonica network

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Proceedings IEEE Symposium on Computers and Communications

EDA application in the Telefonica network

Content Provider	IEEE Xplore Digital Library
Author	Garcia-Ayllon, F.
Copyright Year	1997
Description	Author affiliation: Telefonica, Madrid, Spain (Garcia-Ayllon, F.)
Abstract	Summary form only given, as follows. There exist different mechanisms implemented by telecom operators in order to achieve and maintain grade of service requirements in a network, in any kind of situation, but especially in the case of traffic overloads or failures. Among these mechanisms, dynamic routing strategies and network management systems are usually considered. The benefits each mechanism produces separately have been extensively analyzed in different papers. Nevertheless such benefits are not so evident if we consider the coexistence of both mechanisms. We discuss the main results of different studies carried out by Telefonica I+D in order to assess the marginal contribution of the introduction of a dynamic routing algorithm (EDA), in the Spanish long distance network, taking into account the existence of a network management system (SGT, Sistema de Gestion de Trifico). The dynamic routing algorithm EDA (Encaminamiento Dinamico Adaptativo) is a distributed real-time state-dependent routing algorithm that also incorporates a dynamic reservation algorithm. This routing strategy is planned to be introduced by Telefonica in 1998, once the double-homing structure of the transit network is completed, and switch providers perform suitable changes in their software releases. On the other hand, the network management system SGT is already in operation for the Spanish national and international networks since the beginning of 1996.
File Size	46060
File Format	PDF
ISBN	0818678526
DOI	10.1109/ISCC.1997.616049
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-07-01
Publisher Place	Egypt
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electronic design automation and methodology Intelligent networks Routing Heuristic algorithms Switches Telecommunication traffic Software performance
Content Type	Text
Resource Type	Article

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