Context-aware self-optimization in multiparty converged mobile environments
Cabral Pinto, F.
Carapeto, N. F.
Source3rd International ICST Conference on Autonomic Computing and Communications Systems, Autonomics 2009
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The increase of networking complexity requires the design of new performance optimization schemes for delivering different types of sessions to users under different conditions. In this scope, special attention is given to multi-homed environments, where mobile devices cross areas with overlapping access technologies (Wi-Fi, 3G, WiMax). In such scenario, efficient multiparty delivery depends upon the grouping operation (creation of a set of users to receive a given session), which must be done based on several parameters. We propose sub-grouping of content-based service groups, so that the same service session can be delivered using different codings of the same content, to adapt to the current network, users, session and environment context. The context-aware information is used to improve the sub-grouping process. This paper aims to describe these sub-grouping techniques, in particular how they improve network performance and user experience in the future Internet, in the scope of cognitive autonomic networks. © Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering 2010.