Hierarchical clustering as an approach for supporting P2P SIP sessions in ubiquitous environments

Both Peer-To-Peer (P2P) and mobile ad-hoc networks (MANETs) aim to provide seamless connectivity and services in a dynamic and decentralised environment. These two technologies, if unified, may be able to realise MANETs as a viable commercial technology and will enable the development of widespread distributed applications for MANETs. The push towards wireless ubiquitous computing means that service providers will need to adapt to a highly dynamic mobile topology and given that client-server applications can not be supported in such an environment, P2P applications will be essential. Therefore as MANETs are devoid of a stable infrastructure, mechanisms are required to support P2P services such as IP telephony and this paper discusses the integration of such services with hierarchical cluster based techniques.