Transcript SysArchUseCase_r2

Media Independent Handover
Use Cases and Architecture
Discussion Stimulus
Michael Glenn Williams, NOKIA
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SysArchUseCase.PPT/ Jan 2004 / rev2
IEEE 802.21
Media Independent Handover
Use Case 1
• David has a multi-radio device. He connects to his
Intranet via IEEE 802.11g. He leaves his office and
crosses the campus to another building. In between
buildings there is Intranet coverage via IEEE 802.16.
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SysArchUseCase.PPT/ Jan 2004 / rev2
IEEE 802.21
Media Independent Handover
Use Case 2
• David has a multi-radio device. He connects to his
Intranet via IEEE 802.11g. He leaves from his office and
continues his session via GPRS.
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SysArchUseCase.PPT/ Jan 2004 / rev2
IEEE 802.21
Media Independent Handover
Use Case 3
• David has a single radio device. He connects to the
Internet via a hotel public hotspot IEEE 802.11g in his
room. He walks to the conference which has a different
ESS and continues his session.
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SysArchUseCase.PPT/ Jan 2004 / rev2
IEEE 802.21
Media Independent Handover
Use Case 4
• David is unassociated. He is walking in the airport and
there are a variety of SSIDs visible. Which network should
he pick?
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SysArchUseCase.PPT/ Jan 2004 / rev2
IEEE 802.21
MIH System Architecture
Discussion Illustration
Link service only, or network service too?
802.21
service
.3
router
UDP
(agent?
)
??
802.21
IP
L2.5
.16 BS
??
802.21
DB
.11 AP
MAC
TGk
TGe
FR
802.21
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SysArchUseCase.PPT/ Jan 2004 / rev2
.11 & .16 MN
Terminal
produced
802.21
IEEE 802.21
MIH payload brainstorming
• Packet ideas L2 scope
Transport MAC
MIH header MIH payload
hdr
MAC MIH
hdr
MIH payload
• Packet ideas L3 scope (routable)
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Transport MAC
IP header
hdr
MIH payload
Transport MAC
IP header
hdr
UDP header MIH payload
SysArchUseCase.PPT/ Jan 2004 / rev2
IEEE 802.21