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1. E. Harjula, J. Hautakorpi and N. Beijar, Peer-to-Peer SIP for Mobile Computing: Challenges and Solutions, Mobile Peer-to-Peer Computing for Next Generation Distributed Environments: Advancing Conceptual and Algorithmic Applications, IGI Publishing, 2008 (bib)

   Abstract: Due to the increasing popularity of P2P, the standardization organizations have started to direct their effort on P2P standardization. Internet Engineering Task Force (IETF) has recently formed a new Peer-to-Peer SIP (P2PSIP) working group for enabling serverless operation of SIP. This chapter introduces the P2PSIP by presenting its background and purpose, operational principles, current status and application areas. The focus is in the challenges and problem areas from the viewpoint of research. The mobility and heterogeneous networks are considered with special care. The chapter also introduces some emerging technologies and future trends related to P2PSIP technology.