Embracing Transport SDN for Open Networking Architectures
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1 Embracing Transport SDN for Open Networking Architectures Yabin YE HUAWEI TECHNOLOGIES CO., LTD.
2 Agenda Move Towards SDN Transport SDN Use Cases Examples of Transport SDN 2
3 ONF Definition of SDN Architecture Datacenters: Open Flow Switch Diagram Network: SDN Based Architecture APP1 Controller APPn OpenFlow Switch Thin SW Switching HW Secure Channel Flow Table OF Switch OF Switch OF Switch OF Switch OF: OpenFlow Source: ONF white paper -- Software-Defined Networking (SDN): The New Norm for Networks Main Characteristics: the Control and Data planes are decoupled, Centralized Controller, Open & Programmable, Virtualized Data plane 3
4 Industry Mainstream SDN Models Open flow Model (IT ) Open API Model (CT ) Equipment programmable internally Open and standard North & Southbound interfaces, the forwarding plane is standardized, programmable More flexible Difficult to evolve from existing network Equipment programmable by Open API Open and standard Northbound interface To preserve and reuse existing equipment Medium flexibility, not completely open Easy evolution from existing equipment Different degrees of network openness and programmability, different flexibility, different difficulties to achieve, applied for different scenarios. 4
5 The Industry Progress of SDN Google G-Scale Software Defined WAN Sample Utilization after SDN Deployment Close to 100% Industry Level: 30%~40% Google's software-defined backbone drives WAN links to 100% utilization ICP operators vigorously embrace SDN. Telecom operators are also actively exploring SDN application in telco network and focus on Cloud technology / Open Network/ synergy, such as Telefonica, NTT, Vodafone, DT, FT, BT, etc. 5
6 Agenda Move Towards SDN Transport SDN Use cases Examples of Transport SDN 6
7 Transport SDN Main Characteristics and Values Advanced Controller Reliability, scalability, security and flexible deployment IT Style NBI New programming paradigm: IT style IDE, complete open Flexible Infrastructure Multi-mode SBI Modulation format, distance, bandwidth, fully programmable PCEP, Openflow, etc, multiple SBI addressing multiple scenarios Automation Virtualization Synergy Flexible Open 7
8 Automation Virtualization Synergy Flexible Open Automatic Operation for Online Service Delivering NMS Planner Designer Performance Monitor Client Commissioning tools T-SDN Controller Planner Designer etc Today: w/o SDN The tools and function unit are off-line and isolated, lack of real time and interoperability. Slow TTM Future: w/ SDN The tools and function unit are all joined up, sharing the data. The service delivering is online and fast 8
9 Automation Virtualization Synergy Flexible Open Virtual management to reduce the CAPEX and OPEX 9
10 Automation Virtualization Synergy Flexible Open Centralized Mgmt for multi-domain Transport Network A B Client s Virtual View & Control of End-to-End Network Control Layer Infrastructure Layer SDN Controller Controls End-to- End Network Centralized multi-domain management, shorten service TTM Control plane Control plane Data Plane Data Plane Data Plane Data Plane Control plane Control plane Control plane Control plane Data Plane Data Plane Data Plane Data Plane Data Plane Data Plane Transport Network A Transport Network B Transport Network C 10
11 Automation Virtualization Synergy Flexible Open SDN-based IP + Optical Synergy to Improve E2E Network Resource Utilization 11
12 Automation Virtualization Synergy Flexible Open Multilayer Unified Control for MS-OTN, Providing Optimal Bandwidth Resources 12
13 Automation Virtualization Synergy Flexible Open Unified Control for Future Flex Optical Network, Ease the Network Management Application Layer T - Controller Transport network trends to be flex- Optical (flex-grid, flex-otn, etc). Coding Control Spectrum Control Wavelength Planning SBI... T-SDN provide centralized control of the flex-optical for easy network planning and easy deployment of new services. 100G 200G 400G 1T 2T 13
14 T-SDN Maximizes the Future Flex-Optical Network Efficiency Automation Virtualization Synergy Flexible Open 14
15 Automation Virtualization Synergy Flexible Open Open platform to simplify OSS and achieve innovative applications 15
16 Automation Virtualization Synergy Flexible Open Virtual Transport Service (Network as a Service) 16
17 Automation Virtualization Synergy Flexible Open Bandwidth on Demand (Service aware & dynamic bandwidth) 17
18 T-SDN Value Summary 18
19 Agenda Move Towards SDN Transport SDN Use Cases Examples of Transport SDN 19
20 T-SDN Helps China Telecom to Improve OAM Efficiency 20
21 T-SDN Helps Operator to Improve Bandwidth Value 21
22 T-SDN Helps Operator to Improve Crossvendor Interoperability 22
23 Thank you Copyright 2014 Huawei Technologies Co.,Ltd. All Rights Reserved. The information contained in this document is for reference purpose only, and is subject to change or withdrawal according to specific customer requirements and conditions.
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