Outline l General Description l Breakthroughs and Major

Outline l General Description l Breakthroughs and Major Achievements l Categorized Summary l A Summary of the Post-Project Plan l International Cooperation Activities 1

General Description 2

General Description 3

General Description l Wire 1 X – A supplicant of 802. 1 x – Support a lot of EAP authentication types 4

General Description l Fast Wi. MAX handoff by using SIP mobility – Cross-layer design to reduce handoff delay – Using SIP mobility to enhance multimedia applications 5

Breakthroughs and Major Achievements Core Networks Technology State-of-the-Art Breakthrough RAMP A Reconfigurable l. We Architecture and architecture to accommodate, Mobility Platform have proposed an control, and coordinate various types of mobility management protocols. Both analytical model and simulation have been developed to analyze the architecture s. RAMP Deploy security mechanisms into RAMP l. RAMP provides mobility management choices. We have implement the security mechanisms into RAMP to make the RAMP system more secure. 6

Breakthroughs and Major Achievements Core Networks Technology State-of-the-Art Breakthrough Wire 1 X A supplicant of l 802. 1 X has been used in wireless 802. 1 X. authentication protocols. Wire 1 X provide various authentication types and several encryption algorithms. Fast SIP mobility in Wi. MAX A cross-layer design for fast l. Our work design is to reduce the environment SIP mobility in Wi. MAX handoff latency in Wi. MAX environment. In order to enhance multimedia applications, we choosing SIP mobility as mobility management. 7

Breakthroughs and Major Achievements Core Networks l Reconfigurable Architecture and Mobility Platform (100%, Chen) l Security mechanisms into RAMP (100%, Chen) l Wire 1 X (80%, Chen) l Fast SIP mobility in Wi. MAX environment (100%, Chen) 8

Categorized Summary Journal papers : (2006/4/1 ~ 2007/03/31) 1. J. -C. Chen, Y. -W. Liu, and L. -W. Lin, “Mobile virtual private networks with dynamic MIP home agent assignment, ” Wireless Communications and Mobile Computing (Wiley), vol. 6, no. 5, pp. 601 -616, August 2006. (SCI, EI) 2. J. -C. Chen, V. Sarangan, A. Mc. Auley, S. Baba, Y. Ohba, and Z. -H. Liu, “Design and implementation of dynamic service negotiation protocol (DSNP), ” Computer Communications (Elsevier), vol. 29, no. 16, pp. 3250 -3264, October 2006. (SCI, EI) 3. J. -C. Chen and W. -M. Chen, “Design and analysis of a mobility gateway for GPRS-WLAN integration, ” IEEE Transactions on Vehicular Technology, 2006. ( to appear) (SCI, EI) 4. P. Agrawal, J. -H. Yeh, J. -C. Chen, and T. Zhang, “Scalability of the IP Multimedia Subsystems (IMS) in 3 GPP and 3 GPP 2, ” IEEE Communications Magazine, 2007, accepted with minor revisions. (SCI, EI) 5. C. -K. Chen, C. -W. Chen, C. -T. Ko, J. -K. Lee, and J. -C. Chen, “Case study: mobile Java RMI support over heterogeneous wireless networks, ” Journal of Parallel and Distributed Computing (Elsevier), 2007, under revision. (SCI, EI) 6. J. -C. Chen, J. -H. Yeh, S. -H. Hung, F. -C. Chen, L. -W. Lin, and Y. -W. Lan, “Reconfigurable architecture and mobility management for next-generation wireless IP networks, ” IEEE Transactions on Wireless Communications, accepted and to appear, 2007. (SCI, EI) 7. J. -C. Chen and W. -M. Chen, “Design and analysis of a mobility gateway for GPRS-WLAN integration, ” IEEE Transactions on Vehicular Technology, to appear in September 2007. (SCI, EI) 9

Categorized Summary Conference papers : (2006/4/1 ~ 2007/03/31) 1. J. -C. Chen, J. -C. Liang, S. -T. Wang, S. -Y. Pan, Y. -S. Chen and Y. -Y. Chen, “Fast handoff in mobile virtual private networks, ” In Proc. of IEEE International Symposium on a World of Wireless Mobile and Multimedia Networks (Wo. WMo. M), Buffalo, USA, pp. 548 -552, June 2006. 2. J. -C. Chen, T. Zhang, and E. van den Berg, “Effective AP selection and load balancing in IEEE 802. 11 wireless LANs, ” To appear in Proc. of IEEE Global Telecommunications Conference (Globecom), San Francisco, USA, November 2006. 3. J. -C. Liang, J. -C. Chen, and T. Zhang, “Mobile service discovery protocol (MSDP) for mobile ad-hoc networks, ” in Proc. of IEEE International Symposium on Autonomous Decentralized Systems, special session on ad-hoc networks in automotive networking and applications (ISADS ‘ 07), (Sedona, AZ), March 2007. (Invited) 10

Categorized Summary 專利申請及獲得 1. J. –C. Chen, “Distributed soft handoff among IP-based base stations, ” US 7, 002, 936, issued by U. S. Patent and Trademark Office, February 21, 2006. (with P. Agrawal and T. Zhang) 2. J. –C. Chen, “Apparatus of dynamically assigning external home agent for mobile virtual private networks and method for the same (I), ” CN 1738280, issued by State Intellectual Property Office of P. R. C. , February 22, 2006. (with L. -W. Lin and Y. -W. Liu) 3. J. –C. Chen, “Apparatus of dynamically assigning external home agent for mobile virtual private networks and method for the same (II), ” CN 1738281, issued by State Intellectual Property Office of P. R. C. , February 22, 2006. (with L. -W. Lin and Y. -W. Liu) 4. J. –C. Chen, “Network-layer and link-layer use of shadow addresses in soft handoff within subnets, ” US 7, 031, 278, issued by U. S. Patent and Trademark Office, April 18, 2006. (with P. Agrawal and T. Zhang) 5. J. –C. Chen, “Network-layer and link-layer use of shadow addresses with IP-based base stations, ” US 7, 035, 236, issued by U. S. Patent and Trademark Office, April 25, 2006. (with P. Agrawal and T. Zhang) 6. J. –C. Chen, “Packet distribution and selection in soft handoff for IP-based base stations among multiple subnets, ” US 7, 039, 028, issued by U. S. Patent and Trademark Office, May 2, 2006. (with T. Zhang) 7. J. –C. Chen, “Dynamic assignment and validation of IP address in wireless IP network, ” US 7, 072, 340, issued by U. S. Patent and Trademark Office, July 4, 2006. (with P. Agrawal and T. Zhang) 11

Categorized Summary 專利申請及獲得 7. J. –C. Chen, “Packet distribution and selection in soft handoff for IP-based base stations among multiple subnets, ” US 7, 039, 028, issued by U. S. Patent and Trademark Office, May 2, 2006. (with T. Zhang) 8. J. –C. Chen, “Distributed smooth handoff using shadow addresses in IP-based base stations, ” US 7, 075, 910, issued by U. S. Patent and Trademark Office, July 11, 2006. (with T. Zhang) 9. “Method and system for host mobility management protocol, ” US 7, 184, 418, issued by U. S. Patent and Trademark Office, February 27, 2007. (with S. Baba, A. Dutta, Y. Shobatake, and F. Vakil) 12

A Summary of the Post-Project Plan Technology RAMP 2000 -2004 2005 -2006 2007 -2008 l Implementation of l Support more RAMP architecture mobility l Deploy SIP mobility managements as a part of RAMP architecture s. RAMP l Implementation of l Support more s. RAMP security schemes in RAMP 13

A Summary of the Post-Project Plan Technology 2000 -2004 2005 -2006 2007 -2008 Wire 1 X l Support for basic l Add support for EAP- l Compatible with 802. 1 X protocol TTLS, EAP-PEAP, EAP- IEEE 802. 11 i SIM, TLS, TTLS, and standard PEAP l Support more EAP protocols Fast SIP mobility in l Implementation of fast l Further simulation Wi. MAX SIP mobility in Wi. MAX and analysis of the environment performance 14