2, 2003 Revised Papers, 2735 of LNCS.292-303. Berlin Heidelberg: Springer-Verlag. [36] Miguel Castro, Michael Jones, Anne-Marie Kermarrec, Antony Row- stron, Marvin Theimer, Helen Wang, and Alec Wolman. 2003. An evaluation of scalable application-level multicast built using peer-to- peeroverlays. In IEEE Infocom 2003, 2, 1510-20. Piscataway, NJ, USA: IEEE Press. [37] David Bryan, Salman Baset, Marcin Matuszewski, and Henry Sin- nreich. 2007. P2PSIP protocol framework and requirements. Internet draft-work in progress 00, IETF, July. [38] David Bryan, Philip Matthews, Eunsoo Shim, and Dean Willis. 2007. Concepts and terminology for peer to peer SIP. Internet draft-work in progress 01, IETF, November. [39] Rajeev Koodli, and Charles Perkins. 2007. Mobile Inter-Networking with IPv6. Hoboken, NJ: Wiley-Interscience. C 2009 by Taylor & Francis Group, LLC Group Conference Management with SIP [40] Thomas C. Schmidt, Matthias Wählisch, and Godred Fairhurst. 2008. Multicast mobility in MIPv6: Problem statement and brief survey. IRTF internet draft-work in progress 04, MobOpts, July. [41] Anargyros Garyfalos, and Kevin Almeroth. 2005. A flexible overlay architecture for mobile IPv6 multicast. IEEE Journal on Selected Areas in Communications 23(11): 2194-205. [42] Matthias Wählisch, and Thomas C. Schmidt. 2007. Between under- lay and Overlay: On deployable, efficient, mobility-agnostic group communication services. Internet Research 17(5): 519-34. [43] Ralf Steinmetz, and Klaus Wehrle, (eds.). 2005 Peer-to-Peer Sys- tems and Applications, volume 3485 of LNCS. Berlin Heidelberg: Springer-Verlag. © 2009 by Taylor & Francis Group, LLC Home Networking System with SIP Yukikazu Nakamoto and Naoko Kuri University of Hyogo CONTENTS 7.1 Introduction 7.2 UPnP 7.3 SIP 7.4 Redesign Issues Redesigning UPnP Middleware Middleware Implementation 7.7 Conclusion References 7.1 Introduction Several protocols, middleware, and interoperable specifications have been pro- posed for home networking systems to allow devices on a network to utilize s