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• 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

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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 IEEE’s name any IEEE Standards publication even though it may include portions of this contribution; and at the IEEE’s 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 <http://standards.ieee.org/guides/opman/sect6.html#6.3> and in Understanding Patent Issues During IEEE Standards Development http://standards.ieee.org/board/pat/guide.html> 

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802.21 and Fast Mobile IPv4 Mobility Signaling Flows -

MN-Initiated

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MIH User MIHF MAC-

wlanMAC-wimax POA-S Serving

POSMIH User

MIIS Server

POA-C1

Candidate POS1

MIH User

POA-C2

Candidate POS2

MIH User

Mobile Node Serving 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.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.RESP

MIH_N2N_Query_Resources.IND

MIH_MN_HO_Candidate_Query.IND

IS Query

•Optional functionality, if resource query is needed or possible

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Link Establishment

Link-Configure

MIP_Fast_BAck

MIP_Fast_BAck

MIP_Fast_BU

MIP_Fast_BU

Forward Packets

MIH_Link_Up Tunnel Packets

a2)MIH User MIHF MAC-

WLANMAC-wimax POA-S Serving

POSMIH User

MIIS Server

POA-C1

Candidate POS1

MIH User

POA-C2

Candidate POS2

MIH User

Mobile Node Serving 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_BUHandoverDecision 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

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802.21 and Fast Mobile IPv4 Mobility Signaling Flows –Network Initiated

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Traffic Flow between MN and Serving NetworkLink_Parameters_Report.IND

MIH_Net_HO_Candidate_Query.REQ

MIH_MN_HO_Candidate_Query.RESP

MIH_Net_HO_Candidate_Commit.REQ

MIH_Net_HO_CandidateCommit.IND

b1)

MIH_Link_Parameters_Report.INDMIH_Link_Parameters_Report.IND

MIH_MN_HO_Candidate_Query.CFM

MIP_Proxy_Router_Adv

MIH User MIHF MAC-1 MAC-2 POA-S Serving

POSMIH User

MIIS Server

POA-C1

Candidate POS1

MIH User

POA-C2

Candidate POS2

MIH User

Mobile Node Serving Network Candidate Network 1 Candidate Access Network 2

* MIH_Net_HO_Candidate_commit is used to commit HO since Proxy-Adv cannot force it

NE

T In

itiated-I

MIH_Net_HO_candidate_Query.ind

HO Decision

MIH_N2N_Query_Resources.REQ

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.RESP

MIH_N2N_Query_Resources.IND

•Optional functionality, if resource query is needed or possible

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Link Establishment

Link-Configure

MIP_Fast_BAck

MIP_Fast_BAck

MIP_Fast_BU

MIP_Fast_BU

Forward Packets

MIH_Link_Up Tunnel Packets

a2)MIH User MIHF MAC-

WLANMAC-wimax POA-S Serving

POSMIH User

MIIS Server

POA-C1

Candidate POS1

MIH User

POA-C2

Candidate POS2

MIH User

Mobile Node Serving 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.RESPMIH_Net_HO_

Candidate_Commit.CFM