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Green Transport Network and Core Components

Green Transport Network and Core Components. 2010. 6. 8. Taewhan Yoo Optical Internet Research Department. GP Korea 2010. Agenda. Introduction Network Issues ETRI R&D Direction ETRI R&D Activities Packet Optic Integrated Network High-speed Transmission All-Optical Access Summary.

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Green Transport Network and Core Components

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  1. Green Transport Networkand Core Components 2010. 6. 8. Taewhan Yoo Optical Internet Research Department GP Korea 2010

  2. Agenda • Introduction • Network Issues • ETRI R&D Direction • ETRI R&D Activities • Packet Optic Integrated Network • High-speed Transmission • All-Optical Access • Summary

  3. Network Utility Network Issues Traffic Increase Energy Consumption Telepresence eleworking 3D, UHD Smart Work 100 Tb/s ~ 1Pb/s Network Traffic by year 2020 ~1MW Power Consumption Per 10Tb/s IP Router Router Optical Network < 10Tb/s IP Network Problem Future Internet ROADM 현재 인터넷 Network Security, Address and Naming Problem, QoS Limitation, Too Many Patch Solutions etc. Currently 1Tb/s per Fiber, Capacity of Optical Switch< 10Tb/s

  4. Paradigm Shift Evolution New Directions Business UBcN Target Network → Service (Cloud Computing Network) Cisco, IBM, Google, Microsoft, Amazon R&D - IP converged network - wireless/wireline convergence ~Year 2015 Green Network Future Internet

  5. ETRI R&D Direction Best Utilization of Current Network Technical Innovation Packet-Optic Integrated Network (2012) Multilayered Network(Present) Optic Utility Network (2020) Packet Optic Integrated Switch Multilayer integrated Management Cross Layer Control Network Virtualization Manager Service Resource IP IP Post IP Ethernet End-to-end Pcket End-to-end Pcket SDH OTN OTN ROADM ROADM Optic Packet/Path Switch • - >100 Tb/s Traffic (Full Virtual Work/Life Environment, N2U) • Optical Packet/Path Switch • End-to-end O-O-O networking • Service-resource-aware Network Control /Management • Optical network utility service:Virtualization,Dynamic • Green Network • ~1 Tb/s Traffic(IP-Quadruple Play Service, B2C), • Connectionless packet • Independent operation of each transport layer • Global connectivity only over IP network • 1~10 Tb/s Traffic(telecowrking, Smart Work Service, B2B) • Connection-oriented Packet • Automatic operation of multilayer network(No click provisioning, high-reliability) • Open Transport Network -5-

  6. Introduction • Network Issues • ETRI R&D Direction • ETRI R&D Activities • Packet Optic Integrated Network • High-speed Transmission • All-Optical Access • Summary

  7. Packet-Optic Integrated Transport Network POINTS 다계층통합제어서버 (MONCP) IP IP IP Switch Ethernet Ethernet • Data Plane • PBB-TE • MPLS-TP • TDM channel • OTN channel • λ-path Ethernet Switch OTH OTH OTH Switch WDM WDM Management Interface λ-Switch 패킷광 통합스위치 (POINTS) 100Gb/s per λchannel GMPLS (control plane protocol) • Multi-layer Integrated Switch • End-to-end circuit-like packet transport • OAM and protection on multilayer network • Automatic Path Discovery and Configuration • Self-functions with GMPLS control plane • Low CAPEX, OPEX • Dynamic Bandwidth on Demand • High Performance Packet Transport • High reliable

  8. Packet-Optic Integrated Network • Multilayer Control & Management Path Management Server • Path Computation Element Function DWDM • Packet-Optics Integrated Switch • GMPLS control plane

  9. Introduction • Network Issues • ETRI R&D Direction • ETRI R&D Activities • Packet Optic Integrated Network • High-speed Transmission • All-Optical Access • Summary

  10. R&D on High-speed Transmission DWDM P-OTS CESR Higher Speed Ethernet & Transport Network Network 망 적용 100G 광트랜스폰더 100GE PHY 100G TX/RX Mod./Demod. 100GE MAC 100GE PHY 시스템 적용 System 100GE Transceiver 100GE Transceiver 100G OTN Transceiver 100G Framer 100G FEC Product 기술 이전 40GE/100GE Transceiver 40G/100G Transponder 40G/100G OTN Transceiver 4x10G/4x25G TOSA/ROSA Transceiver 40G/100G Mapper/Framer/FEC 40G DPSK 100G DC-DQPSK IPR확보 표준기술 MAC/PHY MAC/PHY 핵심원천 기술

  11. ETRI Product Roadmap for High-speed OTRx 100G LH Transceiver & 100GBASE-LR4 CFP & 100G Transponder 100G 100GOTU4 Framer & G.709 FEC & EFEC IP Core C-band tunable 300pin Single channel 300pin 40GBASE-LR4 X2 40G 40G Transponder v3.0( 40GE) & 40GOTU3 Framer IP Core v3.0 40G STM-256 Transponder 40GSTM-256 Framer IP Core 40G OTU3 Transponder v2.0 (STM-256) 40GOTU3 Framer IP Core v2.0 40G G.709 FEC & 40G EFEC IP Core 8ch tunable 300pin Single channel 300pin C-band tunable 300pin 10km XFP 40km XFP DWDM 80km XFP DWDM 80km SFP+ 10G 10G OTU2 Framer IP Core 10G G.709 FEC & EFEC IP Core 2004 2005 2006 2007 2008 2009 2010 2011

  12. 4 ch. CWDM OTRX for 40G/100G Ethernet • Optical power diagram of 40GBASE-LR4 MUX loss: 2.5 dB DMUX loss: 2.5 dB LD (0) PD (0) 2 m ~ 10 km Channel insertion loss: 6.7 dB 1271 nm 1291 nm 1311 nm 1331 nm LD (1) PD (1) (1264.5 ~ 1277.5 nm) CWDM MUX CWDM DMUX LD (2) PD (2) (1284.5 ~ 1297.5 nm) LD (3) PD (3) (1304.5 ~ 1317.5 nm) (1324.5 ~ 1337.5 nm) • Optical power diagram of 100GBASE-LR4, ER4 Average transmitter power: 2.3 ~ -7 dBm (each lane) Average receive power: 2.3 ~ -13.7 dBm (each lane) Channel insertion loss: - 6.3 dB (2 m ~ 10 km) - 18 dB (2 m ~ 40 km) Speed: 25.78125 Gb/s MUX loss: 2.5 dB (min.) DMUX loss: 2.5 dB (min.) 1295.56 nm 1300.05 nm 1304.58 nm 1309.14 nm LD (0) PD (0) (1294.53 ~ 1296.59 nm) LD (1) PD (1) (1299.02 ~ 1301.09 nm) LAN-WDM MUX LAN-WDM DMUX LD (2) PD (2) (1303.54 ~ 1305.63 nm) LD (3) PD (3) (1308.09 ~ 1310.19 nm) Average transmitter power: - LR4: 4.5 ~ -4.3 dBm (each lane) - ER4: 2.9 ~ -2.9 dBm (each lane) Average receive power: - LR4: 4.5 ~ -10.6 dBm (each lane) - ER4: 4.5 ~ -20.9 dBm (each lane)

  13. 4 Ch. CWDM TOSA/ROSA Module • 4 x10G CWDM ROSA • Features - Center wavelength: 1271, 1291, 1311, 1331 nm - Flatness (@ 0.1 dB): > 15 nm - Sensitivity (@ BER=10-12, ER=6dB): > -17 dBm - IEEE802.3ba standards compliant - Optical DMUX + PIN-PD + TIA - Operates from 9.95 to 11.3 Gb/s rates - Single 3.3V power supply - Dimension: 25.6 x 13 x 8.5 mm3 • Features • 4 x10G CWDM TOSA - Center wavelength: 1271, 1291, 1311, 1331 nm - Wavelength range: ±6.5 nm @ center wavelength - Output power, each channel: > +2 dBm - Extinction ratio: > 3.5 dB - SMSR: > 30 dB - IEEE802.3ba standards compliant - DFB-LD + Optical MUX - Operates from 9.95 to 11.3 Gb/s rates - Dimension: 31.6 x 17 x 8.5 mm3

  14. 300pin MSA 40Gb/s OTRx Features • 40 Gb/s optical transmitter/receiver with 16 parallel OIF-SFI5-01.0 compliant SER/DES I/O timing and deskew function • Built-in jitter clean-up circuit for reference clock input • 300 pin multi-source agreement (MSA) compatible • I2C standard interface • Multi-rate from 39.8 to 43.6 Gb/s • Optical combination of transmitter and receiver: • - C-band full tunable channels transceiver, NRZ-OOK: C-band full tunable laser with ITU-T grid 50 GHz spacing, LiNbO3 external modulator, and PIN PD • - C-band full tunable channels transceiver, NRZ-DPSK: C-band full tunable laser with ITU-T grid 50 GHz spacing, LiNbO3 external modulator, Delay-interferometer and balanced PIN PD Block Diagram • NRZ-OOK • NRZ-DPSK Optical Signal Optical Signal Optical Modulator (E/O) Optical Modulator (E/O) Serializer (16:1 MUX, Precoder) Serializer (16:1 MUX) 300 pin Connector 300 pin Connector Micro-processor (Control) Laser (Optical Source) Micro-processor (Control) Laser (Optical Source) Optical Signal Optical Signal Optical Delay Interferometer De-serializer (1:16 DeMUX) Optical Receiver (O/E) De-serializer (1:16 DeMUX) Optical Receiver (O/E)

  15. 100Gb/s Modulation Format Electrical Signal Processing Optical Signal Processing 100Gbps 2 L N L-Lamda 2-polarization N-phase M-level X-polarization Optical Phase Optical Intensity Signal process Lamda 1 Y-polarization Optical Phase 100Gb/s Transceiver • M-ary QAM • N Phase Shift Key • NM circular polarization • OFDM Lamda N Coherent Detection 100Gb/s Transceiver Direct Detection

  16. OTN OTRx Modulation Format Option

  17. ETRI Solution for 100Gb/s OTRx • Dual Carrier-Differential Quadrature Phase Shift Keying dual carrier generator carrier splitter signal combiner DQPSK modulator #1 optical output n Serializer DQPSK modulator #2 It#1 Qt#1 4 Input data <transmitter> It#2 Qt#2 interferometer #1 BPD n Ir#1 Qr#1 signal splitter optical input 4 output data Ir#2 Qr#2 De-Serializer RF amplifier interferometer #2 <receiver> No ADC, No DSP, No polarization control

  18. ETRI Product Roadmap for OTN Framer/FEC 100G Transponder v1.0 w/CFP & MSA-100GLH 100G 100GOTU4 Framer IP Core - Clients : 100GE - Line : OTU4 100GG.709 FEC IP Core 100GEFEC IP Core - Clients : 100GE - Line : OTU4 - Clients : 100GE - Line : OTU4 40GSTM-256 Transponder (STM-256,) 40GOTU3 Transponder (STM-256,) 40GMuxponder 40GTransponder v3.0 (40GE) - Clients : 4xSTM-16 - Line : OTU3 • Clients : STM-256 • Line : STM-256 • Clients : STM-256 • Line : OTU3 - Clients : 40GE - Line : OTU3 40G 40GOTU3 Framer IP Core v1.0 STM-256 Framer IP Core 40GOTU3 Framer IP Core v2.0 40GOTU3 Framer IP Core v3.0 40GG.709 FEC IP Core 40GEFEC IP Core 10G Line card for OTN-MSPP (4xODU1) 10G 10G SFI-4.1 IP Core 10G OTU2 Framer IP Core 10G G.709 FEC IP Core 10G EFEC IP Core 2004 2005 2006 2007 2008 2009 2010 2011

  19. Introduction • Network Issues • ETRI R&D Direction • ETRI R&D Activities • Packet Optic Integrated Network • High-speed Transmission • All-Optical Access • Summary

  20. All-Optic Open Access Network 1.25Gb/s, 2/5Gb/s, 10Gb/s x 128 channel DWDM-PON, 40~60 km 1.25Gb/s, 2/5Gb/s, 10Gb/s TDMA-PON (EPON, GPON), 20km Open Access 1Mb/s ADSL (5km) 기업 50Mb/s VDSL (500meters) 4G. WLAN Multiple Service Providera 데이터센터 WDM-PON SPA Lone-reach Access Copper cable coverage (25%) Copper Cable coverage (78%) SPB user premise SPC u-City 일반가입자 Long-reach access network: up to 10Gb/s WDM/TDMA hybrid PON Wireline and wireless unified access network infra Green access network: sharing of access network infra

  21. 1st Generation WDM-PON Downstream Upstream Development Status Injection Seeding Remodulation • remodulated RSOA • Innovator: ETRI • Commercialization • - G-photon(OTRx, ETRIVenture) • - Corecess(system) • - GW-PON., WDM/TDM hybridPON • (Gwangju FTTH service) Optical Semiconductor Downstream Eraser Upstream Spectrumsliced light source(CW) Optical Semiconductor Injection Seeding • FP-LD injection locking • Innovator: KAIST/LG-Nortel • Commercialization • - LG-Nortel(system/OTRx) • - 100M/l WDM-PON(local) • - 1G/l WDM-PON(Yongin) • - Norway, Netherland, U.S.A.(‘09.) Spectrumsliced light source(CW) Optical Semiconductor Modulated optical signal Upstream

  22. Colorless Optical Transceiverfor 1st Generation WDM-PON ONU Transmitter optical/electrical specifications (-20°C <Tcase<70°C, Vcc=3.3V) Receiver Specifications Receiver optical/electrical specifications (-20°C <Tcase<70°C, Vcc=3.3V)

  23. BTB 40km 80km 2nd Generation WDM-PON Transceiver Transmission Tunable Laser

  24. Deployment of 1st Generation WDM Local Deployment Case • HybridPON service(‘09.03~) • Gwangju Metro:300users • 1.25G x 16 λ/EPON • 100M/l, Residential Service • (’05.~’08.) • 150,000 users(nationwide) • GW-PON service(‘08.04~) • Gwangju Metro: 384users • 1.25G x 16 λ (remod-RSOA) • GW-PON service(’07.,’09.) • Gyungki Province:600users • 1.25G x 16 λ (injection FP-LD) KT 신갈 국사 내 OLT RN

  25. Summary • Building a safe, broadband, low-power consumption network is an urgent problem to be solved as ICT plays a key role to overcome several current issues of the global society • GMPLS basedPacket-Optic Integrated Transport Network as a solution for the mid-term network issues: network automation, dynamic service and global connectivity of each network transport layer, safty and reliability through network isolation close to physical layer, better quality applicable to the control service apllication through network, low OPEX and CAPEX through integration • Optical path switched network should be pursued as a solution for 100Tb/s and low-enery consumption network: more advanced ROADM, new optical path switched network protocol • ETRI is interested in technology transfer and collaboration on core components including all sort of OTRx and OTN framer/FEC for 40Gb/s and 100Gb/s, OTRx for WDM-PON access network etc.

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