歯A1.1함진호.ppt

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한솔 단
5 years ago
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1 The Overall Architecture of Optical Internet ETRI

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5 Payload Header Header Recognition Processing, and Generation A 1 setup 1 1 C B Delay line Synchronizer New Header D - : 20Km/sec, 1µsec200

6 A Control Packet C 1 1 B Control Wavelength Data Wavelength Offset Time Data Burst OEO 2 2 Setup & Bandwidth Reservation D Outband Signaling Switch Setup Offset Time (burst)

7 Router Dynamiclink (1G, 10G) - Bandwidth Provisioning, Fast Restoration, Load Balancing

8 3 Chumning Qiao, IEEE Communication Magazine, Sep 2000 But Wavelength Switching (Lambda Switching)IP Packet Switching -> IP over Lambda Switching Bandwidth Utilization: Very High Latency: Not Critical (Don t Care) Adaptivity: Strong Traffic Engineering Capability

9 EDFA (Erbium Doped Fiber Amplification) - - MEMS (Micro Electric Mechanical System) - - Optical Components - Laser, Photodetector, SOA, Multiplexer, Demultiplexer - Optical Switch, Wavelength Converter, Filter, Equlizer Protocol - GMPLS (General Multiprotocol Label Switching) - IETF Sub-IP AreaCCAMP WG

10 DWDM & EDFA Pump 980nm or 1480nm at 3W DWDM: Dense Wavelength Division Multiplexing EDFA: Erbium Doped Fiber Amplifier Weak signal in Coupler Amplified signal out Isolator EDFA Fiber Isolator

11 3D D MEMS

12 Pump Laser Erbium Fiber ADM Drop Reflector Actuator - Fluoride - Telluride - Selenide Multiplexer Nx1 Star-coupler Lens Mirror AMP 1GE Receiver Photo Detector Router OEO OOO Lambda Converter 10GE frame 1GE frame Demultiplexer 1xN Star-coupler Equalizer 10GE Transceiver Short-Pulse Generator Tunable Laser 128 ~ 1024 ADM Add MEMS

13 IP Networks Router Lp Message Lp Notify OSCtrl S/W fabric

14 Router Router Lightpath Router Direct Link between Routers (= Bandwidth) Router OSC SW fabric SW fabric SW fabric SW fabric OSC OSC OSC Lp Setup Lp Setup Lp Setup Lp Notify Ingress Intermediate Intermediate Egress

15 Bandwidth Provisioning Lp Setup Msg Length Message ID Ingress Identifier OG Lambda Port ID Lightpath list TLV Egress identifier Type( list) Length Identifier #1 OG Lambda Port ID ~ ~ ~ ~ ~ ~ Identifier #n OG Lambda Port ID Lp Notify Msg Length Returned Message ID Returned Identifier Result Ingress Lp Setup Lp Setup Lp Setup Egress Lp Notify

16 Bandwidth Provisioning SRLG Primary Lightpath B { 15, 12, 17 } Primary Lightpath A 1 { 1, 2, 3 } 15 SRLG: Shared Risk Link Group Backup Lightpath 8 Same Restoration Group { A, B, backup } { 8, 7, 6, 5, 4 }

17 Restoration Lp Notify Msg Length Returned Message ID Returned Identifier Result Lp Failure Msg Length Message ID Ingress Identifier OG Lambda Port ID Egress Identifier Result Ingress Lp Failure Lp Notify Egress Ingress Lp Notify Lp Failure Egress

18 Router Path Recovery Lp Restore Msg Length Message ID Ingress Identifier OG Lambda Port ID Egress Identifier Lp Notify Msg Length Returned Message ID Returned Identifier Result Lp Restore Restored Backup Lp Ingress Lp Notify Egress Primary Broken Lp

19 Bandwidth Release Lp Release Msg Length Message ID Ingress Identifier OG Lambda Port ID Lightpath list TLV Egress identifier Type( list) Length Identifier #1 OG Lambda Port ID ~ ~ ~ ~ ~ ~ Identifier #n OG Lambda Port ID Lp Notify Msg Length Returned Message ID Returned Identifier Result Ingress Lp Release Lp Release Lp Release Egress Lp Notify

20 Ligthpath LSP LSP Fiber Lambda Cable Router Resource

21 MPLS & DWDM WDM TE Manager MPLS TE Manager A B C c 1 b 1 H a 1 k 1 K g 1 G 1 (c 2 ) c 2 h 1 h 2 I k 2 J j 1 g 2 4 (h 2 ) i 1 j2 f 1 d 1 i 2 i 3 3 (i 2 ) e 1 e 2 F D E

22 2,000 * 100Mbps

23 -, (50 : 50) - IETF, ITU-T, OIF, ODSI Bandwidth

24 Q&A

歯4.PDF

歯4.PDF 21 WDM * OADM MUX/DEMUX EDFA Er + Doped Fiber Isolator Isolator GFF WDM Coupler 1.48 um LD 1.48 um LD Transmitter Receiver MUX EDFA OADM DEMUX Switch Fiber Optics Micro Optics Waveguide Optics Isolator,

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歯A1.1함진호.ppt