??????????????? ?????? Next Generation Core Optical Network

1
?????????????????????Next Generation Core
Optical Network

• ??????
• ??BA01006010
• ???????

2001?7?2?
2
????

• SONET?????
• SONET???DWDM??
• ???????????????
• G-MPLS?OTN

3
SONET????-???
TDM???125µs????
4
SONET????-????

• ATM over SONET
• ?????????,??????????
• ??CBR?VBR?UBR???
• IP Over SONET
• IP over ATM over SONET
• IP over PPP/HDLC over SONET
• SDL,GbE,10GbE??

5
SONET??????APS??
6
SONET?????

• ??????,??????
• ?????????,???????
• ??????,????
• ????????,????????
• ??????QoS,???????

7
?????????-DWDM(1)
8
?????????-DWDM(2)

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

9
????????????
10
SONET?????

• ??????,??????
• ?????????,???????
• ??????,????
• ????????,????????
• ??????QoS,???????

11
?????????
?????,????,????,?????
12
??????????

• ?SONET?ATM??????IP/MPLS,????
• IP/MPLS?????????
• DWDM/???????????
• G-MPLS?OTN

13
????????????

• ????(Overlay Model)
• ????(Peer Model)

14
????( OTN )????

• ???????OTN??(SONET,IP?)???,?????OCh?
• ?????????????????????
• ??????????????????

15
ITU-T??OTN?????
G.872?????????????????????????????/??????????????
????????,????????????????????????????,????????????
??????????????
G.873???????,?????????????,??WDM?????????????????
???SDH/PDH????????????????????????????????????????
???????????????????,??????????
16
OCh?????
17
???????
18
????????(1)
?????
19
????????(2)
??????
20
MPLS????
21
MPLS??????

• LSP??????,?????????
• ??/??????,??????
• ??????????,?MPLS????
• ??????????,???????

22
G-MPLS(MP?S)

• ????LSP
• ???LSP???????????
• ????
• ??????????????
• ?????
• ?????ID,????????

23
G-MPLS????????
24
SONET?????

• ??????,??????
• ?????????,???????
• ??????,????
• ????????,????????
• ??????QoS,???????

25
IP/MPLS?????????
26

• ??!