WDM Tbit/s decoupling IP Burst control packet BCP ATM IP

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1 IP Internet WDM IP Gbit s WDM WDM SONET/SDH WDM SONET/SDH O E E O WDM IP ATM WDM IP IP over WDM IP WDM SDH ATM IP WDM IP IP IP WDM SONET ATM / IP

2 WDM Tbit/s decoupling IP Burst control packet BCP ATM IP

3 / 1 OBS burst Burst Switching 80 OBS Optical Burst Switching Chunndng Qiao

4 J S Tumor IP IP IP IP IP BCP Burst Control Packet WDM 1 OBS OBS 2 WDM ATM OBS

5 2 OBS offset time QOS LAN Internet IP WDM WDM P WDM OBS IP IP OBS Labeled OBS WDM

6 T 2P P WDM SDH SDH 2.5Gb s OC 48 SDH 1 2 Internet IP O/E/O ms

7 2.2 / L b S fix L b [L b / S fix ] l 0 S max S min L b /S max S min IP [ ] l 2 ATM VC Label VCI VPI M QOS 3 MPLS LSP Tag Switching LSP IP IP Switching LSP IP LSP 4 TDM TDM 5 WDM

8 2.3 1 Tell And Go TAG 2 In Band Terminator IBT 3 Reserve a Fixed Duration RFD TAG 2.4 T 2P, T P T TAG IBT RFD 1 2 T 0 TAG IBT 3 4

9 1 BCP BCP O/E E/O IP over WDM OBS OBS 3 OBS

10 OXC 3 MPLS / / IP OBS 4 OBS OBS 4 CoS OBS IP

11 5 OBS 5 OBS l 5 FDL FDL FDL FDL FDL O E E/O FDL OBS OBS JET OBS FDL TAG OBS FDL OBS / OBS

12 OBS / JET OBS OBS Tell And Go TAG RFD reserve a fixed duration JET just enough time TAG tell and go IBT in band terminator IBT IBT IBT 4.1 JET Just Enough Time OBS Just Enough Time JE DR FDL BBMs JET OBS TAG OBS OBS JET

13 6 JET JET T JET RFD T T n n 6 FDL 500KB 4000 IP 2.5Gbit s 1.6ms 500km 2 5ms 4.2 DeR Delayed Reservation 7 Delayed Reservation BCP t t l t

14 t t i l t t t+l 7(a) T =T-(t out -t in ) t in t out 7 DeR 7(b) 1 2 t 2 t 1 l 1 t >t 1 2 WWW JET JET

15 4.3 DIR Differentiated Reservation Differentiated Reservation T WDM QOS pobs pjet FIFO Class 0 T best effort FTP Class 1 T base +T extra 8 DiR 8 i l 2 feq i Class i l i t ai t si Class 0 t a0 t s0 req 0 Class 0 8(b) req l req l t s1 t a1 T extra 8(a) feq l t a0 t s1 t a0 l 0 >t s1 t s1 <t a0 <t s1 +l 1 feq 0 feq l t a1 <t a0 +l 0 feq l t s1 t a1 T extra >t a0 +l 0 req 1

16 T extra Class 0 L 0 T extra 3L OBS 2P OBS OBS l ms s L b WDM B B L b 2 pjet IP b b 3 pjet A A b Class T extra t 0 b t 0 b T extra t 0 4 pjet t T base +T extra A t 0 b T extra s b T extra +T base b t L +f(t) b t L 5 Labeled OBS IP MPLS 1

17 CRC IP L 55 L 9

18 FDL

19 O/E 605 PP cross-bar BHPT X 635 E/O O/E QoS FIFO bit >=

20 BHP T X E/O B i Q i 1<=I<=B Q i I D D 0 Q 0 = /

21 FDL

22 540 LAUC-VF t 515 L 625 t t+l 625 t t LAUC-VF 13 LAUC-VF D1,D2 D5 t 215 D3 D4 t D3 D4 t t-t2<t-t1<t-t5 D2 215 t 625 t+d B*D 215 LAUC-VF t L t t B LAUC-VF t t t no

23 Q 0 0 LAUC-VF Q i Q 1 <Q 2 <Qi <Q B Qi I*D D LAUC-VF t t 215 D5 t 215 D1,D2,D3 D4 LAUC-VF LAUC-VF LAUC-VF 9 t1 -t1<t2 -t2 D1 LAUC LAUC-VF RR RR D / t t

24 tc ps+[(t tc)/lk] modwc, Lh ps 1005 Wc [( + +B*D- )/Lk] 1005 [x] x / used / t- 0 t 720 t t- 0 t 720 t

25 / time slot (pc+[(ts-tc)/ ])mod Ws ts tc pc / W s = [( + τ 0 + B D δ ) / σ ] / /

27 BAT 1420 BAT / BAT

28 unicast Lmax BAT

29 19 BAT 19 BAT 14 QoS ID BHP ID BHP

30 20 20 ID ID / E/O ID / E/O DWDM LOBS IP over WDM MPLS MPLS LOBS labeled OBS IP over WDM 6.1 LOBS OBS IP over WDM WDM IP IP MPLS WDM WDM IP

31 IP IP IP OBS LOBS MPLmS MPLS LOBS IP LOBS l IP LDP LOBS LSP LOBS IP MPLmS MPLmS LSP merging LSP grooming LOBS LSP / OBS IP 21 IP MPLS IP LOBS OXC

32 21 LOBS IP over WDM MPLS 5.2 MPLS OBS MPLS MPLS IP MPLS FEC QOS FEC FEC FEC MPLS IP ATM MPLS constraint based routing explicit MPLS LSP IP OBS MPLS LIB LIB

33 CR LDP RSVP LIB 1 LIB QOS 2 LIB LIB LSP LIB QOS LIB 3 LIB MPLS OBS OBS MAC OBS OBS IP MAC OBS IP 22 OBS MAC

34 22 OBS MPLS OBS MAC 1) IP 2) MAC 3) OBS MAC IP

35 23 IP OBS WDM MAC OBS MAC LSP 24 just enough time JET QOS

36 24 A B C A B LSP 25 token 13 T 3 w a 3 T 3 w 1 OBS WDM LSP 2 LSP LSP OBS WDM LSP IP

37 3 LSP LSP QOS IP OBS MAC MPLS O E E O a QOS IP QOS QOS 23 OBS MAC IP IP OBS MAC OBS MAC IP IP IP OBS MAC T MAC T BA T BQ T BO OBS MAC S B R IP IP T BO T BO LSP OBS LIB OXC

38 5.4 OXC WDM WDM 16 OC-48 STM 16 OC 192 ST14 64 IP QOS BCP BCP BCP b b 1) i [1:M] M 2) T i 3) T W b b 4) T 0 i IP

39 IP IP QOS IP 6.5 OBS QOS OBS QOS LSP OBS MAC LSP LSP LSP OBS MAC LSP LSP IP IP IP QoS Diffserv Differentiated service QoS LSP QoS QoS QoS OBS /

40 TAG OBS JET OBS 0 FDL JET OBS FDL JET pjet

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Microsoft Word - 201502-T-REC-Y1314-200510C.doc 国际电信联盟 ITU-T Y.1314 国际电信联盟电信标准化部门 (10/2005) Y 系列 : 全球信息基础设施网际协议问题和下一代网络互联网的协议问题传输虚拟专用网络功能分解 ITU-T Y.1314 建议书 ITU-T Y 系列建议书全球信息基础设施