1. 21-07-0xxx-00-0000 IEEE 802.21 MEDIA INDEPENDENT HANDOVER DCN:21-07-0xxx-00-0000-LB1c-handover-issues.ppt Title: Handover Commands Thoughts and Open Issues Date Submitted: March, 2007 Presented at IEEE 802.21 session #NN in Orlando, FL Authors or Source(s): Ad Hoc Abstract: Discuss open issues to address handover related commands

2. 21-07-0xxx-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

3. 21-07-0xxx-00-0000 802.21 and Fast Mobile IPv4 Mobility Signaling Flows - MN-Initiated

4. 21-07-0xxx-00-0000 MIH User MIH F MAC- wlan MAC- wimax POA-S Serving POS MIH User MIIS Server POA- C1 Candidate POS1 MIH User POA- C2 Candidate POS2 MIH User Mobile NodeServing Network(WIMAX) Candidate Network 1 (WLAN) Candidate Network 2 (WLAN Traffic Flow between MN and Serving Network Link_detect MIH_MN_HO_Candidate_Query.REQ a1) MIH_N2N_Query_Resources.REQ MIH_N2N_Query_ Resources.IND MIH_N2N_Query_Resources.CFM MIH_MN_HO_ Candidate_Query.CFM MIH_MN_HO_Candidate_Query.RESP MN Initiated-I MIH_N2N_Query_Resources.REQ MIH_N2N_Query_Resources.RESP MIH_N2N_Query_ Resources.IND MIH_MN_HO_Candidate_Query.IND IS Query Optional functionality, if resource query is needed or possible

5. 21-07-0xxx-00-0000 Link Establishment Link-Configure MIP_Fast_BAck MIP_Fast_BU Forward Packets MIH_Link_Up Tunnel Packets a2) MIH User MIH F MAC- WLAN MAC- wimax POA-S Serving POS MIH User MIIS Server POA- C1 Candidate POS1 MIH User POA- C2 Candidate POS2 MIH User Mobile NodeServing Network(wimax) Candidate Network 1(WLAN) Candidate Network 2(WLAN) MN Initiated-II MIH_Net_HO _ Complete.REQ(local ) MIP_Proxy_Router_Adv MIP_Handover_initiate.REQ MIP_Handover_initiate.ACK MIP_Fast_BU Handover Decision Results in FBU MIH_Net_HO_ Commit.REQ (Local) Generate RA-Proxy Notes: i) Link configure can be possibly happen before sending MIP FBU ii) MIP_Proxy_Router_Sol is optional ii) Possible to use MIH_N2N_HO_Complete.Req from new MIH-user iii) Mobile IP CoTI/HoTi and BU happens later MIH_Net_HO_ Commit.CFM MIH_Net_HO _ Complete.CFM MIP_Proxy_Router_Sol

6. 21-07-0xxx-00-0000 802.21 and Fast Mobile IPv4 Mobility Signaling Flows – Network Initiated

7. 21-07-0xxx-00-0000 Traffic Flow between MN and Serving Network Link_Parameters_Report.IND MIH_Net_HO_Candidate_Query.REQ MIH_MN_HO_Candidate_Query.RESP MIH_Net_HO_Candidate_Commit.REQ MIH_Net_HO_Candidate Commit.IND b1) MIH_Link_Parameters_Report.IND MIH_MN_HO_Candidate_Query.CFM MIP_Proxy_Router_Adv MIH User MIH F MAC-1MAC-2POA-S Serving POS MIH User MIIS Server POA- C1 Candidate POS1 MIH User POA- C2 Candidate POS2 MIH User Mobile NodeServing NetworkCandidate Network 1 Candidate Access Network 2 * MIH_Net_HO_Candidate_commit is used to commit HO since Proxy-Adv cannot force it NET Initiated-I MIH_Net_HO_ candidate_Query.ind HO Decision MIH_N2N_Query_Resources.REQ MIH_N2N_Query_ Resources.IND MIH_N2N_Query_Resources.CFM MIH_N2N_Query_Resources.REQ MIH_N2N_Query_Resources.RESP MIH_N2N_Query_ Resources.IND Optional functionality, if resource query is needed or possible

8. 21-07-0xxx-00-0000 Link Establishment Link-Configure MIP_Fast_BAck MIP_Fast_BU Forward Packets MIH_Link_Up Tunnel Packets a2) MIH User MIH F MAC- WLAN MAC- wimax POA-S Serving POS MIH User MIIS Server POA- C1 Candidate POS1 MIH User POA- C2 Candidate POS2 MIH User Mobile NodeServing Network(wimax) Candidate Network 1(WLAN) Candidate Network 2(WLAN) MN Initiated-II MIH_Net_HO _ Complete.REQ(local ) MIP_Handover_initiate.REQ MIP_Handover_initiate.ACK MIP_Fast_BU Notes: i) Link configure can be possibly happen before sending MIP FBU ii) Possible to use MIH_N2N_HO_Complete.Req from new MIH-user MIH_Net_HO _ Complete.CFM MIH_Net_HO_Candidate_Commit.RESP MIH_Net_HO_ Candidate_Commit.CFM