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Estabelecimento de Sessões SIP com Garantias de QoS e sua Aplicação em um Domínio DiffServ

Roberto WillrichLuiz H. VicenteAchilles C. PrudêncioVictor S. N. AlvesRafael B. UriarteFelipe B. Teixeira

Current Quality of Service (QoS) solutions ensure that the voicetraffic receives a preferential treatment without a direct intervention of thecallers. Conversely, there are some SIP (Session Initiation Protocol)extensions to let the users specify the QoS level of the sessions. However, theyuse a fixed list of QoS parameters and often coupled to particulartechnologies. This paper proposes an ontology-based solution to establish SIPsessions with QoS guarantees providing flexibility in terms of QoS parameters.The proposed solution was prototyped and tested in a Linux DiffServ domainand an Asterisk VoIP server.

http://www.lbd.dcc.ufmg.br/colecoes/sbrc/2011/0042.pdf

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Biblioteca Digital Brasileira de Computação - Contato: bdbcomp@lbd.dcc.ufmg.br
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