Semantic Modeling, Translation and Matching of QoS

author: Carolina Fortuna, Department of Communications Systems, Jožef Stefan Institute
published: Nov. 7, 2008,   recorded: October 2008,   views: 4063


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The variety of access and transport technologies available in modern computer networks pose significant challenges related to compatibility and quality of service (QoS) related issues. Applications and services can have many different and unique requirements towards the transportation services (TSs) they use to interconnect.

Traditionally, applications are required to specify their QoS requirements in the language which the TSs understand. This results in reformulation of intuitive parameters (i.e. desired video resolution) to parameters understood by the TSs (i.e. required bandwidth).

paper presents techniques for (a) automatic matchmaking of application requirements to the offers by TSs providers and (b) automatic translation of application requirements into the TSs QoS requirements. To this end semantic technologies, namely OpenCyc, are used for ontological modeling, translation and matchmaking. We present relevant examples on how semantic technologies can be used in the context of communication networks.

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