Uma arquitetura P2P para suporte a aplicações multimídia em tempo real com requisitos de mobilidade

Authors:
Daniel G. Costa;Sergio Vianna Fialho
Affiliations:
Universidade Estadual de Feira de Santana (UEFS), Feira de Santana -- BA;Universidade Federal do Rio Grande do Norte (UFRN), Natal -- RN
Venue:
Companion Proceedings of the XIV Brazilian Symposium on Multimedia and the Web
Year:
2008

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Abstract

A new SIP standard based on peer to peer paradigm allows the keeping of user localization information in a decentralized way, adding flexibility to real time mobile communications. Despite the specification of terminal mobility in P2PSIP, handover procedures in transport layer have better performance when compared with solutions used in Internet application layer. SCTP transport protocol supports terminal mobility and a partial reliability communication service. Putting together P2PSIP and SCTP extensions, an end-to-end architecture can be proposed, aimed on the support of real time multimedia applications with mobility requirements.