NQSL - A Specification Language for Network Quality of Service

C. Webel

Technical Report 368/07, Department of Computer Sciences, University of Kaiserslautern, Germany, 2007


The provision of Network Quality-of-Service (QoS) is a major challenge in the design of future communication systems. Before designing and implementing communication systems, the network QoS requirements have to be specified. In this paper, we present a formal description technique for network QoS called NQSL, which is based on a formalization of network QoS requirements, including QoS mappings for cross-layer design and scalability. QoS requirements are specified on each layer by defining QoS domain, consisting of QoS performance, reliability, and guarantee, and QoS scalability, with utility and cost functions.

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