pace and service definition. RFC 3651. November. [13] Sun, S., S. Reilly, L. Lannom, and J. Petrone. 2003. Handle system protocol (ver2.1) specification. RFC 3652. November. [14] Ravi Jain, Thomas Raleigh, Charles Graff, Michael Bereschinsky, and Mitesh Patel. 1998. Mobile internet access and qos guarantees using mobile ip and rsvp with location registers 3. 1690-95. In ICC International Conference on Communications. Atlanta, GA. June 7-11. [15] Ravi Jain, Thomas Raleigh, Danny Yang, Li-Fung Chang, Charles Graff, Michael Bereschinsky, and Mitesh Patel. 1999. Enhancing survivability of mobile internet access using mobile IP with location registers. In INFOCOM, 3-11. [16] Wong, K.D., A. Dutta, J. Burns, R. Jain, K. Young, and H. Schulzrinne. 2003. A multilay-ered mobility management scheme for auto-configured wireless ip networks. Wireless Communications 10(5): 62-69. [17] Johnson, D., C. Perkins, and J. Arkko. 2004. RFC 3775: Mobility support in ipv6. June. [18] Wong, K., Ashutosh Dutta, Henning Schulzrinne, and Ken Young. 2006. Simultaneous mobility: Analytical framework, theorems, and solutions. Wireless Communication and Mobile Computing. Pg. 623-42, 7(5): 2007. [19] Chen Hongtao, Yang Fangchun, and Xu Peng. 2005. Analysis on sip mobility of double user agent servers. In Communications and Information Technology ISCIT, IEEE. October, 1: 87-90. [20] Moskowitz, R., P. Nikander, and P. Jokela. 2006. Host identity protocol architecture. RFC 4423. May. [21] Nikander, P., J. Arkko, and B. Ohlman. 2004. Host identity indirec- tion infrastructure (hi3). In The Second Swedish National Computer Networking Workshop. Karlstad, Sweeden. November 23, 24. [22] Alex C. Snoeren, and Hari Balakrishnan. 2000. An end-to-end approach to host mobility. In Sixth Annual ACM/IEEE International Conference on Mobile Computing and Networking. Boston, MA. August. [23] Eriksson, Faloutsos, and Krishnamurthy. 2003. Peernet: Pushing peer- to-peer down the stack. In International Workshop on Peer-to-Peer Systems (IPTPS), LNCS. Berkeley, CA. [2