Mobile Network?????????????????????????

1
Mobile Network?????????????????????????

• ?????? ??????
• ???
• tu-ka_at_sfc.wide.ad.jp

2
?????

• ?????????????
• ???????????????
• ???????????
• Network Mobility (NEMO)
• ????????????????????????

3
???ICAR????????

• ?????????????????????????
• ???????????????????????????????????????

?????
MR
????? (?????????????)
???????
???????
disconnect
disconnect
disconnect
GPS???
????? (???????????????)
???
?????
????
4
??????

• ?????????????????????
• ????????????MR???????????MR??????????????
• ????????
• ????????????????????????

MR
MR
MR
5
Multihoming??????????

• Multihoming???(draft-ietf-nemo-multihoming-issues
  -01.txt)
• ??MR
• ??HA
• ??NEMO prefix
• ??????????????????????????MR??????HA?NEMO
  prefix?????(?1)
• ????????MR????HA???NEMO prefix

Home Agent
Internet
MR
MR
??NEMO prefix ??NEMO prefix ??NEMO prefix ??NEMO prefix
??HA ??HA ??HA ??HA
??MR
??MR
NEMO prefix
MNN
??MR??????
??? ?1
???
6
????

• ???MR?????????
• ??MR????????????????
• MR????????????????????
• ????????????????????
• ??????????????????
• MR???????????
• MR??????????????
• /??????

Home Agent
Internet
??
??
MR
MR
???
7
??MR???

• HA????Mobile Network??????MR???????
• HA?MR????
• Mobile Network????????????????????
• Mobile Network Node (MNN)???????????????
• ???MR?????????
• MR??????????
• ???MR?????????????

Home Agent
Internet
Binding Update
Binding Update
Binding Update
??
MR
MR
MNN
8
?????

• ??MR?????CoA?????
• ?????MR????????
• Neighbor Egress interface List (NEL)???
• HoA, CoA , BID, Ingress IF?????
• NEL Advertisement???
• Multiple Mobile Router Management (MMRM)???

Home Agent
Internet
??
MR
MR
???
9
1. HA????Mobile Network?????MR?????????
??CoA??
NEMO basic support
Multiple Mobile Router Management

• ??CoA?? (????)
• ???MR???Binding??
• BID???????????
• draft-wakikawa-mobileip-multiplecoa-03.txt
• ??MR????CoA?????
• ?????????????
• MR??????????????????CoA???????

BC
Home Agent
CN
MR
MNN
10
2. Mobile Network????????????

• Multiple Gateway in Mobile Network
  (Zenigata????????)
• ????????????????????
• ???
• ?????????????????????????
• ??????????????????????????????
• ?????MR????????
• ??????????????????
• ?????MR?????MR??
• ?????????????????
• ??
• MNN????IPv6???????MR??????

Home Agent
CN
MR
MNN
11
3.???MR???????????

• ??
• MR??????????
• ???MR?????????????
• ???
• Neighbor Egress interface List (NEL)???
• HoA, CoA , BID, Ingress IF?????
• NEL Advertisement???

Home Agent
CN
MR
NEL
NEL
NEL
MNN
12
MMRM???

• NetBSD 1.6.2
• SHISA (WIDEMIP)

• MR??????
• MRD (mobile router daemon)
• Binding???
• MDD (movement detection daemon)
• ???????????????????
• NEMONETD (NEMO network daemon)
• ??????????????
• MMRMD (multiple mobile router management daemon)
• MR???NEL?????????????

13
????
100Mbits/sec
router1
router2
router3
router4
HA
MR1
MR2
CN
MNN

• ???1.2Mbps?????
• ??????????????
• HA?CN???????????????

14
????????
??

• ????
• ???MR?????????
• ??MR????????????????
• MR???????????
• ????MR????????????
• ???????????????
• ??
• ?????????????????
• ?????????????????????
• ?????????????????????
• ?????????????????????????????

1
2
3
4
1, 2, 3, 4
15
1.??????????????????
CN
HA
(A)
(B)
(C)
MR1
MR2
MNN
16
2.????????????????????????
CN
HA
???2500?
MR1
MR2
???1500?
MNN
17
3.????????????????

• ?????????????

Internet
(A)
(B)
18
4.???????????????????????????

• ????????????????????
• IPv6 Web???
• ?????????
• IPv6??????????

Open Research Forum 2004
19
?????????
300???600? ??2586 kbps
0???300? ?? 1086 kbps
CN
HA
MR1
MR2
MNN
20
??????????

• ??????????RTT??????????
• MR1-MR2???????????????
• 1hop??????????
• RTT(100????)
• 2.38 ms
• 2.86 ms
• ??????(300????)
• 1071 kbps
• 991 kbps

CN
HA
MR1
MR2
MNN
21
??

• ??
• ???????????????????????????????????
• ??????
• ???MR?????????
• ???????????????????????
• MRMR????????????????????CoA??
• ????MR????????????????????
• MR???????????
• ??
• ????????????????????????
• ????????????????

• ??????????????
• ??????????????????
• ???????????????????????????????????????????????

22
???????

• ????????
• MR-HA????
• ?????NEL??????
• ??????
• ??????????
• ????????
• ?????????
• ??????????????
• IETF NEMO WG????

23
???

• ??????????????

24
?????

1. ??????????????????

CN
HA
MR1
MR2
MNN