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1 OFC/NFOEC 2012 Review on Energy Efficient Network and Technology, Power Saving and Fault Management, Traffic Grooming, and Dynamic Networks Chaitanya Vadrevu April 13, 2012 Group Meeting Presentation, Davis, CA Ferhat Dikbiyik Page 1

2 Sessions Reviewed Energy Efficient Network and Technology (OFC, OM2G) Power Saving and Fault Management (NFOEC, NM2K) Traffic Grooming (OFC, OTh1A) Page 2

3 Sessions Reviewed Energy Efficient Network and Technology (OFC, OM2G) Power Saving and Fault Management (NFOEC, NM2K) Traffic Grooming (OFC, OTh1A) Page 3

4 Energy Efficient Networking and Technology(OFC) Traffic Trends: Drivers and Measures of Cost-Effective and Energy-Efficient Technologies and Architectures for Backbone Optical Networks (Invited Talk) Steven K. Korotky Alcatel Lucent Bell Laboratories New Jersey Page 4

5 Energy Efficient Networking and Technology(OFC) Page 5

6 Energy Efficient Networking and Technology(OFC) Identifying and understanding trends in traffic in time and space to guide research in new network technologies, architectures, and protocols. Growth rate in traffic is slowing, but will remain substantial over coming decades. To increase transport capacity, increased channel bit-rates, bit-rate adaptive transmission, and spatial multiplexing are being pursued. Page 6

7 Capacity Upgrade in MLR Energy Efficient Capacity Upgrade in Optical Networks with Mixed Line Rates A. Nag, M. Tornatore, T. Wang, and B. Mukherjee University of California, Davis Page 7

8 Green Optical Networks with Shared Path Protection Survivable Green Optical Backbone Networks with Shared Path Protection S. S. Jalalinia, C. Cavdar, and L. Wosinska Royal Institute of Technology, KTH Stockholm Page 8

9 Energy Efficiency in Cloud Energy Efficient Demand Provisioning in the Cloud B. Kantarci and H. T. Mouftah Electrical Engineering and Computer Science, University of Ottawa, Canada Page 9

10 Energy Efficiency in Cloud Two approaches for joint optimization of regular Internet and cloud services in IP-over-WDM networks. Approach 1: Minimization of Transport Energy. Approach 2: Minimization of Transport Energy + Power Usage Efficiency increase in Data Centers. Significant savings in Energy and Resource Cost. Page 10

11 Energy Efficiency in Cloud Page 11

12 Energy Consumption on the OpEx of WDM Networks Impact of Energy Consumption on the OpEx of WDM Networks A. Leiva, A. Beghelli, and C. M. Machuca Page 12

13 Energy Consumption on the OpEx of WDM Networks Energy consumption on the OpEX of two WDM network architectures is analyzed. Energy consumption cost was observed to be 0.003% of the OpEX of the optical layer. Orientation of efforts in the area of energy efficiency and analysis of OpEX in transport WDM networks. Page 13

14 Energy Consumption on the OpEx of WDM Networks Page 14

15 Hybrid Optical and Packet System for Power Control Page 15

16 Hybrid Optical and Packet System for Power Control Hybrid optical and packet system architecture that suppresses the power consumption depending on network traffic patterns. Scalable packet forwarding capabilities and adaptively adjusts the system configuration in corporation with optical path setup/release. A hybrid optical and packet system that changes its internal configuration to optimize packet forwarding capacities in response to traffic patterns and volumes. Page 16

17 Hybrid Optical and Packet System for Power Control Page 17

18 Sessions Reviewed Energy Efficient Network and Technology (OFC, OM2G) Power Saving and Fault Management (NFOEC, NM2K) Traffic Grooming (OFC, OTh1A) Page 18

19 Power Saving Techniques for Optical Access Power Saving Techniques for Optical Access (Tutorial, Invited Talk) Jun-ichi Kani NTT Corporation Page 19

20 Power Saving Techniques for Optical Access Page 20

21 Power Saving Techniques for Optical Access Page 21

22 Power Saving Techniques for Optical Access Page 22

23 Sleep Pattern based Power-saving Technique Highly-Efficient Power-saving Technique with HGWdetermined Sleep Pattern toward Next-generation Optical Access System Page 23

24 Sleep Pattern based Power-saving Technique Page 24

25 Reliability and Scalability of Access Networks Reliability and Scalability of Access Networks with Ladder Structure Page 25

26 Reliability and Scalability of Access Networks TDM-PON and hybrid WDM/TDM-PON architectures are explored. Cable relocation and the failure rate of WDM devices significantly affect the failure rate of PONs. Multiple ring structure can still reduce the unavailability. WDM/TDM-PON architecture can support a reasonable number of users per fiber by assigning the loss margin of the PON-splitters to WDM components Page 26

27 Reliability and Scalability of Access Networks Page 27

28 Sessions Reviewed Energy Efficient Network and Technology (OFC, OM2G) Power Saving and Fault Management (NFOEC, NM2K) Traffic Grooming (OFC, OTh1A) Page 28

29 OFDM-Based Optical Networks Optical Grooming in OFDM-Based Optical Networks Page 29

30 Utilization Entropy for Resource Fragmentation Utilization Entropy for Assessing Resource Fragmentation in Optical Networks Page 30

31 Utilization Entropy for Resource Fragmentation With dynamic traffic and flexible-grid, resource fragmentation and optimization are important issue. Utilization entropy (UE): Quantify the level of resource fragmentation in optical networks. Three types of UEs, namely UE_link, UE_path, and UE_network. Efficiency of the network, deciding the timing of network re-optimization and evaluating the efficiency of re-optimization. Page 31

32 Network Planning and Evolution Prediction A New Teletraffic Approach for Network Planning and Evolution Prediction (Invited Paper) Page 32

33 Network Planning and Evolution Prediction Multi-layer optimization approach considering stochastic traffic for optimizing Traffic grooming Network design Dimensioning and Planning Evolution Prediction Page 33

34 Traffic Grooming Efficient Traffic Grooming Through Node Clustering Page 34

35 Traffic Grooming Traffic grooming through node clustering is explored. CANNON: Clustered Architecture for Nodes in an Optical Network. Decomposes the core/metro network into a number of clusters. Page 35

36 Traffic Grooming Page 36

37 Optical Path Add/Drop Restriction Schemes Evaluations of Different Optical Path Add/Drop Restriction Schemes on OXC Hardware Scale and Network Resource Requirement Page 37

38 Optical Path Add/Drop Restriction Schemes Three different Add/Drop restriction schemes for reducing OXC hardware scale and network resource requirements. Add/Drop restriction ratio on each fiber Add/Drop restriction ratio on each wavelength index Add/Drop restriction ratio on all wavelengths Page 38

39 Optical Path Add/Drop Restriction Schemes Page 39

40 Optical Path Add/Drop Restriction Schemes Necessary number of output and input fibers to the node (NNI) Size of matrix switch necessary for C/D/C function Number of WSSs By restricting the add/drop ratios the number of WSSs and the scale of matrix switches can be substantially reduced The number of additional NNI ports is kept minimal (<3%). Page 40

41 Translucent Dynamic Mixed-Line-Rate WDM Networks Grooming and RWA in Translucent Dynamic Mixed- Line-Rate WDM Networks with Impairments Page 41

42 Translucent Dynamic Mixed-Line-Rate WDM Networks Dynamically make grooming, regenerator placement, RWA decisions for translucent mixed-line-rate optical networks. Page 42

43 Translucent Dynamic Mixed-Line-Rate WDM Networks Page 43

44 Knapsack-based Traffic Grooming Knapsack-based Drop-and-Continue Traffic Grooming for Power and Resource Efficiency Page 44

IO2654 Optical Networking. WDM network design. Lena Wosinska KTH/ICT. The aim of the next two lectures. To introduce some new definitions

IO2654 Optical Networking. WDM network design. Lena Wosinska KTH/ICT. The aim of the next two lectures. To introduce some new definitions IO2654 Optical Networking WDM network design Lena Wosinska KTH/ICT 1 The aim of the next two lectures To introduce some new definitions To make you aware about the trade-offs for WDM network design To