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1 以 AWG 為基礎之分波多工 / 分時多 工被動式光學網路架構之設計 The Designs of AWG Based WDM/TDM PON Architecture Student: Ze-Yang Kuo ( 郭澤洋 ) Adviser: Ho-Ting Wu ( 吳和庭 ) Date: 2008/12/10 Institute of Computer Science and Information Engineering National Taipei University of Technology
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2 Outline Background and Motivation Propose Multicast Algorithm for WDM/TDM PON Architecture Pure Look Back Emergency and Ratio Look Back Performance Evaluation Upgrade Mechanisms 16 x 16 AWG Based 8 x 8 AWG Based Performance Evaluation Propose WDM/TDM PON Architecture and Upgrade Mechanisms under Limited Wavelength Environment One Tunable Receiver Receive Array Performance Evaluation Conclusion and Future Works Reference
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3 Passive Star Coupler (PSC) Broadcast-and-Select Device Power Loss Increase if add output port Private Low Wavelength Reuse None
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4 Arrayed Waveguide Grating (AWG) Wavelength Static Routing Device Power Loss 6 to 8 dB Private High Wavelength Reuse Free Spectral Range (FSR)
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5 Time-Division-Multiplexing Passive Optical Network (TDM PON) Composed of OLT, Splitter/combiner, ONU Share one wavelength Downstream Point-to-MultiPoint Broadcast Upstream MultiPoint-to-Point Time Slot Logic Link ID (LLID) Low cost Low bandwidth
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6 TDM PON Architecture
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7 Wavelength-Division-Multiplexed Passive Optical Network (WDM PON) Composed of OLT, ONU, and PSC (Splitter/Combiner) AWG Dedicated Wavelength Waste wavelength when ONU idle High cost Huge bandwidth
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8 Stanford University Access-Dynamic Wavelength Allocation PON (SUCCESS- DWA PON)
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9 WDM/TDM PON for Multicast Service OLT Tunable Laser AWG ONU Tunable Receiver Packet Control message Data packet Avoid collision Partition
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10 WDM/TDM PON Architecture
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11 Motivation Propose Multicast Algorithm for WDM/TDM Architecture Power loss less than PSC Support multicast with consider priority Satisfy different performance demand Upgrade Mechanisms Best upgrade mechanisms Propose WDM/TDM Architecture and Upgrade Mechanisms under Limited Wavelength Environment Efficient wavelength reuse
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12 Outline Background and Motivation Propose Multicast Algorithm for WDM/TDM PON Architecture Pure Look Back Emergency and Ratio Look Back Performance Evaluation Upgrade Mechanisms 16 x 16 AWG Based 8 x 8 AWG Based Performance Evaluation Propose WDM/TDM PON Architecture and Upgrade Mechanisms under Limited Wavelength Environment One Tunable Receiver Receive Array Performance Evaluation Conclusion and Future Works Reference
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13 WDM/TDM PON Architecture
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14 TL Time Structure Control Time Control message Destination address Transmission time Wavelength information Delay time Data Time Data packet
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15 TL Time Structure
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16 WDM/TDM PON Function Diagram of Packet Dispatcher
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17 The Proposed Multicast Algorithm All Out Packet A packet collision free and all destinations at the same AWG output port in the Scheduling Time Partition A packet with collision or destinations at different AWG output port in the Scheduling Time Look Back Length The packet number can selected form Head Of Line(HOL) packet Pure Look Back First All Out Packet Emergency and Ratio Look Back Consider output ratio if TTL large enough Collision free destinations number / Total destinations number
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18 Pure Look Back (PLB)
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19 Emergency and Ratio Look Back (ERLB)
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20 Packet Definition Unicast Packet Just has one destination Multicast Packet Single PON Packet More than one destination, and all destinations at the same AWG output port Multi PON Packet More than one destination, and destinations at different AWG output port General Packet Single PON Packet Cause of receive collision Multi PON Packet Cause of receive collision or destinations at different AWG output Original Packet Destination frame without any modify
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21 Loading Definition System Load Offered Load As Source Offered Load As Receiver
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22 8-TDM Architecture
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23 Simulation Environment
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24 Performance Evaluation PacketDroppedRatio General Packet MulticastFailedRatio Original Packet RcvrDroppedRatio General Packet
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25 Look Back Length Effect(PLB)
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26 Look Back Length Effect(PLB)
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27 Look Back Length Effect(ERLB)
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28 Look Back Length Effect(ERLB)
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29 Look Back Length Effect(ERLB)
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30 Look Back Length Effect(ERLB)
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31 Look Back Length Effect(ERLB)
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32 WDM-PLB vs WDM-ERLB vs 8-TDM
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33 WDM-PLB vs WDM-ERLB vs 8-TDM
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34 WDM-PLB vs WDM-ERLB vs 8-TDM
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35 WDM-PLB vs WDM-ERLB vs 8-TDM
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36 WDM-PLB vs WDM-ERLB vs 8-TDM
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37 WDM-PLB vs WDM-ERLB vs 8-TDM
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38 Outline Background and Motivation Propose Multicast Algorithm for WDM/TDM PON Architecture Pure Look Back Emergency and Ratio Look Back Performance Evaluation Upgrade Mechanisms 16 x 16 AWG Based 8 x 8 AWG Based Performance Evaluation Propose WDM/TDM PON Architecture and Upgrade Mechanisms under Limited Wavelength Environment One Tunable Receiver Receive Array Performance Evaluation Conclusion and Future Works Reference
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39 Upgrade Mechanisms 16 x 16 AWG Based Intuition Eight ONUs in each group Reduce collision probability Increase partition probability Wavelength heavy use 8 x 8 AWG Based Use eight wavelength Channel collision Use sixteen wavelength Channel collision free Wavelength heavy use
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40 16 x 16 AWG Based Upgrade Architecture
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41 8 x 8 AWG Based Upgrade Architecture
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42 Simulation Environment
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43 Three Upgrade Mechanisms Compare
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44 Three Upgrade Mechanisms Compare
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45 Three Upgrade Mechanisms Compare
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46 Outline Background and Motivation Propose Multicast Algorithm for WDM/TDM PON Architecture Pure Look Back Emergency and Ratio Look Back Performance Evaluation Upgrade Mechanisms 16 x 16 AWG Based 8 x 8 AWG Based Performance Evaluation Propose WDM/TDM PON Architecture and Upgrade Mechanisms under Limited Wavelength Environment One Tunable Receiver Receive Array Performance Evaluation Conclusion and Future Works Reference
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47 WDM/TDM PON Architecture under Limited Wavelength Environment Increase wavelength reuse ratio Do not waste wavelength Fixed Transmitter Two kinds of receiver One tunable receiver Receive array
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48 WDM/TDM PON Architecture under Limited Wavelength Environment
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49 Simulation Environment
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50 TR Performance Evolution
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51 TR Performance Evolution
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52 RA Performance Evolution
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53 RA Performance Evolution
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54 TR vs RA FL = 2, 4, 6, 8
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55 TR vs RA FL = 2, 4, 6, 8
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56 TR vs RA FL = 2, 4, 6, 8
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57 TR vs RA FL = 2, 4, 6, 8
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58 TR vs RA FL = 2, 4, 6, 8
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59 TR vs RA FL = 2, 4, 6, 8
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60 Outline Background and Motivation Propose Multicast Algorithm for WDM/TDM PON Architecture Pure Look Back Emergency and Ratio Look Back Performance Evaluation Upgrade Mechanisms 16 x 16 AWG Based 8 x 8 AWG Based Performance Evaluation Propose WDM/TDM PON Architecture and Upgrade Mechanisms under Limited Wavelength Environment One Tunable Receiver Receive Array Performance Evaluation Conclusion and Future Works Reference
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61 Conclusion Proposed two multicast scheduling mechanisms for WDM/TDM PON can satisfy different demand PLB ERLB Proposed three different upgrade mechanisms 16 x 16 AWG based 8 x 8 AWG based Proposed the WDM/TDM PON architecture under limited wavelength environment TR RA
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62 Future Works Unbalance traffic Upstream issue Combine with WiMAX
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63 Outline Background and Motivation Propose Multicast Algorithm for WDM/TDM PON Architecture Pure Look Back Emergency and Ratio Look Back Performance Evaluation Upgrade Mechanisms 16 x 16 AWG Based 8 x 8 AWG Based Performance Evaluation Propose WDM/TDM PON Architecture and Upgrade Mechanisms under Limited Wavelength Environment One Tunable Receiver Receive Array Performance Evaluation Conclusion and Future Works Reference
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64 Reference Martin Maier and Adam Wolisz, ” Demonstrating the Potential of Arrayed- Waveguide Grating Based Single-Hop WDM Networks,” Optical Network Mag., Vol. 2, Issue 5, September/October 2001. Maier, M. Scheutzow, M. and Reisslein, M., “The arrayed-waveguide grating-based single-hop WDM network: an architecture for efficient multicasting,” Selected Areas in Communications, IEEE Journal on, Volume 21, Issue 9, Nov. 2003 Page(s):1414 - 1432 Noguchi, K., Koike, Y., Tanobe, H., Harada, K. and Matsuoka, M., “Field trial of full- mesh WDM network (AWG-STAR) in metropolitan/local area,” Lightwave Technology, Journal of, Volume 22, Issue 2, Page(s):329 – 336, Feb. 2004. Maier, M. Scheutzow, M. and Reisslein, M., “AWG-based metro WDM network,” Communications Maganize IEEE, Volume: 42, Issue: 11, page(s): S19- S26, Nov. 2004. Kramer, G., Mukherjee, B.and Pesavento, G., “IPACT a dynamic protocol for an Ethernet PON (EPON),” Communications Magazine, IEEE, Volume 40, Issue 2, Page(s):74 – 80, Feb. 2002. Shami, A., Xiaofeng Bai, Assi, C. and Ghani, N., “Quality of service in two-stage Ethernet passive optical access networks,” Computer Communications and Networks, 2004. ICCCN 2004. Proceedings. 13th International Conference on, Page(s):352 – 357, 2004. Amitabha Banerjee, Youngil Park, Frederick Clarke, Huan Song, Sunhee Yang, Glen Kramer, Kwangjoon Kim, and Biswanath Mukherjee, “Wavelength-division- multiplexed passive optical network (WDM-PON) technologies for broadband access: a review [Invited], ” Journal of Optical Networking, Volume: 4, Issue 11, Pages: 737 - 758, Nov. 1, 2005.
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65 Reference McGarry, M.P. Reisslein, M. Maier, M.,“ WDM Ethernet passive optical networks, “ Communications Magazine, IEEE, Volume: 44, Issue: 2, Pages: 15- 22, Feb. 2006. Rogge, M.S., Yu-Li Hsueh and Kazovsky, L.G., “A novel passive optical network with dynamic wavelength allocation,” Optical Fiber Communication Conference, 2004. OFC 2004, Volume 2, Pages:23-27, Feb. 2004. Yu-Li Hsueh, Rogge, M.S., Wei-Tao Shaw, Kazovsky, L.G. and Yamamoto, S., “SUCCESS-DWA: a highly scalable and cost-effective optical access network,” Communications Magazine, IEEE, Volume 42, Issue 8, Page(s):S24 - S30,Aug. 2004. Yu-Li Hsueh, Wei-Tao Shaw, Kazovsky, L.G., Agata, A., Shu Yamamoto, “SUCCESS pon demonstrator: experimental exploration of next- generation optical access networks,” Communications Magazine, IEEE, Volume 43, Issue 8, Page(s):S26 - S33, Aug. 2005. Yu-Li Hsueh, Wei-Tao Shaw, Kazovsky, L.G., Agata, A., Shu Yamamoto,“A highly flexible and efficient passive optical network employing dynamic wavelength allocation,” Lightwave Technology, Journal, Volume 23, Issue 1, Page(s):277 - 286, Jan. 2005. 林澤賢,能支援群播服務之分波多工被動式光纖網路的架構,碩士論文,國 立台北科技大學電腦通訊與控制研究所,民國 94 年。 洪博信,適用於光學互連網路中群播分割機制之設計,碩士論文,國立台北 科技大學電腦通訊與控制研究所,民國 91 年。
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66 Thanks for Your Attention Q&A
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67 WDM-PLB under 0_50_50 6-24
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68 WDM-PLB under 0_50_50 6-24
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69 WDM-PLB under 0_40_60 6-24
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70 WDM-PLB under 0_40_60 6-24
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71 8-TDM vs WDM-PLB vs WDM- ERLB under 6-48
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72 8-TDM vs WDM-PLB vs WDM- ERLB under 6-48
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73 8-TDM vs WDM-PLB vs WDM- ERLB under 6-48
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74 8-TDM vs WDM-PLB vs WDM- ERLB under 6-48
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75 8-TDM vs WDM-PLB vs WDM- ERLB under 6-48
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76 8-TDM vs WDM-PLB vs WDM- ERLB under 6-48
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77 Three Upgrade Mechanisms Compare
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78 Three Upgrade Mechanisms Compare
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79 Three Upgrade Mechanisms Compare
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80 TR vs RA FL = 3, 5, 7
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81 TR vs RA FL = 3, 5, 7
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82 TR vs RA FL = 3, 5, 7
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83 TR vs RA FL = 3, 5, 7
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84 TR vs RA FL = 3, 5, 7
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85 TR vs RA FL = 3, 5, 7
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