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21-06-xxxx-00-0000 IEEE 802.21 MEDIA INDEPENDENT HANDOVER DCN: 21-06-xxx-00-0000 Title: Pre-establishment of IP connectivity discussion Date Submitted: April 2006 Authors or Source(s): Qiaobing Xie Abstract: This is for discussion at the April 20, 2006 tele- conference
21-06-xxxx-00-0000 IEEE 802.21 presentation release statements This document has been prepared to assist the IEEE 802.21 Working Group. It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein. The contributor grants a free, irrevocable license to the IEEE to incorporate material contained in this contribution, and any modifications thereof, in the creation of an IEEE Standards publication; to copyright in the IEEEs name any IEEE Standards publication even though it may include portions of this contribution; and at the IEEEs sole discretion to permit others to reproduce in whole or in part the resulting IEEE Standards publication. The contributor also acknowledges and accepts that this contribution may be made public by IEEE 802.21. The contributor is familiar with IEEE patent policy, as outlined in Section 6.3 of the IEEE-SA Standards Board Operations Manual and in Understanding Patent Issues During IEEE Standards Development http://standards.ieee.org/board/pat/guide.html> Section 6.3 of the IEEE-SA Standards Board Operations Manualhttp://standards.ieee.org/guides/opman/sect6.html#6.3 http://standards.ieee.org/board/pat/guide.html
21-06-xxxx-00-0000 Multi-interfaced Device under Overlapped Coverage Network 3 (UMTS) Network 2 (WiMAX) Network 1 (WiFi hot-spot) Soon to become a common scene
21-06-xxxx-00-0000 Pre-establishing IP Connectivity before handover Network 3 (UMTS) Network 2 (WiMAX) Network 1 (WiFi hot-spot) Pre-establish IP connections to potential handover target networks. Use the current connection to save battery and RF resources. A pre-established IP connection will be activated if a handover to that network actually happens and a sub- IP layer connection is set up. Shortens handover delay. When the mobile moves out of a coverage, the pre- established IP connection to that network will be removed.
21-06-xxxx-00-0000 Pre-authentication and pre-authorization Some work has started in IETF - AAA authentication/Authorization for target Authenticator while session is in progress on the serving Authenticator. - IETF 65th HOAKEY BOF (Yoshihiro Ohba) How can 802.21 facilitate this? Passing AAA contact address of neighbor networks thru MIH IS? etc. Pre-allocation of a valid IP address (and other IP layer parameters) How can 802.21 facilitate this? Passing IP Address Configuration methods of neighbor networks thru MIH IS; Passing DHCP contact address from the neighbor networks through MIH IS if DHCP is used; etc. What else 802.21 can provide? Whats needed to pre-establish an useful IP connectivity?
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