Challenges in Quality of Service for Tomorrow's Networks

Challenges in Quality of Service for Tomorrow's Networks

Luiz A. DaSilva (Virginia Polytechnic Institute and State University, USA)
DOI: 10.4018/978-1-59140-553-5.ch069
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Abstract

The original communication networks were designed to carry traffic with homogeneous performance requirements. The telephone network carried real-time voice, with stringent latency bounds, and therefore used circuit-switched technologies with fixed bandwidth allocated to each call. Original data networks were used for electronic mail and file exchange, and therefore employed packet switching and provided best-effort service.

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