Transcript 21-07-0086-00-handover

• 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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802.21 and Fast Mobile IPv4 Mobility
Signaling Flows MN-Initiated
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a1)
Mobile Node
MN Initiated-I
MIH
User
MIH
F
MACwlan
Serving Network(WIMAX)
MACwimax
Serving
POS
POA-S
MIH
User
MIIS
Server
Candidate
Network 1 (WLAN)
POAC1
Candidate
POS1
MIH
User
Candidate
Network 2 (WLAN
POAC2
Candidate
POS2
MIH
User
Traffic Flow between MN and Serving Network
Link_detect
IS Query
MIH_MN_HO_Candidate_Query.REQ
•Optional functionality,
if resource query is
needed or possible
MIH_MN_HO_Candidate_Query.IND
MIH_N2N_Query_Resources.REQ
MIH_N2N_Query_Resources.REQ
MIH_N2N_Query_
Resources.IND
MIH_N2N_Query_Resources.REQ
MIH_N2N_Query_
Resources.IND
MIH_N2N_Query_Resources.RESP
MIH_N2N_Query_Resources.RESP
MIH_N2N_Query_Resources.CFM
MIH_MN_HO_Candidate_Query.RESP
MIH_MN_HO_
Candidate_Query.CFM
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a2)
Mobile Node
MN Initiated-II
MIH
User
MIH
F
MACWLAN
Candidate
Network 1(WLAN)
Serving Network(wimax)
MACwimax
POA-S
Serving
POS
MIH
User
MIIS
Server
POAC1
Candidate
POS1
MIH
User
Candidate
Network 2(WLAN)
POAC2
MIP_Proxy_Router_Sol
MIP_Proxy_Router_Adv
Handover
Decision
Results
in FBU
Generate
RA-Proxy
MIP_Fast_BU
MIP_Handover_initiate.REQ
MIH_Net_HO_
Commit.REQ (Local)
MIH_Net_HO_
Commit.CFM
MIP_Handover_initiate.ACK
Link-Configure
MIP_Fast_BAck
MIP_Fast_BAck
Link Establishment
MIH_Link_Up
Tunnel Packets
MIP_Fast_BU
Forward Packets
MIP_Fast_BU
MIH_Net_HO_
Complete.REQ(local)
MIH_Net_HO_
Complete.CFM
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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
Candidate
POS2
MIH
User
802.21 and Fast Mobile IPv4 Mobility
Signaling Flows –
Network Initiated
21-07-0xxx-00-0000
b1)
Mobile Node
NET Initiated-I
MIH
User
MIH
F
MAC-1
Serving Network
MAC-2
POA-S
Serving
POS
MIH
User
Candidate Network 1
MIIS
Server
POAC1
Candidate
POS1
MIH
User
Candidate Access
Network 2
POAC2
Candidate
POS2
MIH
User
Traffic Flow between MN and Serving Network
Link_Parameters_Report.IND
MIH_Link_Parameters_Report.IND
MIH_Link_Parameters_Report.IND
•Optional functionality,
if resource query is
needed or possible
MIH_Net_HO_Candidate_Query.REQ
MIH_Net_HO_
candidate_Query.ind
MIH_MN_HO_Candidate_Query.RESP
MIH_MN_HO_Candidate_Query.CFM
MIH_N2N_Query_Resources.REQ
MIH_N2N_Query_Resources.REQ
MIH_N2N_Query_Resources.REQ
MIH_N2N_Query_
Resources.IND
MIH_N2N_Query_Resources.RESP
MIH_N2N_Query_Resources.RESP
MIH_N2N_Query_Resources.CFM
MIP_Proxy_Router_Adv
HO Decision
MIH_Net_HO_Candidate_Commit.REQ
MIH_Net_HO_Candidate
Commit.IND
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* MIH_Net_HO_Candidate_commit is used to commit HO since Proxy-Adv cannot force it
MIH_N2N_Query_
Resources.IND
a2)
Mobile Node
MN Initiated-II
MIH
User
MIH
F
MACWLAN
Candidate
Network 1(WLAN)
Serving Network(wimax)
MACwimax
POA-S
Serving
POS
MIH
User
MIIS
Server
POAC1
Candidate
POS1
MIH
User
Candidate
Network 2(WLAN)
POAC2
Candidate
POS2
MIP_Fast_BU
MIH_Net_HO_Candidate_Commit.RESP
MIH_Net_HO_
Candidate_Commit.CFM
MIP_Handover_initiate.REQ
Link-Configure
MIP_Handover_initiate.ACK
MIP_Fast_BAck
MIP_Fast_BAck
Link Establishment
MIH_Link_Up
Tunnel Packets
MIP_Fast_BU
Forward Packets
MIP_Fast_BU
MIH_Net_HO_
Complete.REQ(local)
MIH_Net_HO_
Complete.CFM
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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
User