文件名称：Software Defined Networking for Dummies
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更新时间：2020-02-04 05:31:57
SDN, Software Defined Networking
Software Defined Networking for Dummies Brian Underdahl Gary Kinghorn Ciso Special Edition Learn to: Grasp the excitement around SDN see the benifits SDN offers Pick the right SDN solution Table of Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 About This Book......................................................................... 1 Icons Used in This Book............................................................. 1 Beyond the Book......................................................................... 2 Chapter 1: Introducing Software Defined Networking. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Understanding SDN..................................................................... 3 Where were we before SDN?........................................... 5 Where is SDN taking us?.................................................. 6 Seeing Why There’s So Much Excitement................................ 7 SDN facilitates server virtualization and cloud networks...................................................... 7 SDN is primarily about policy‐based automation......... 8 Chapter 2: Looking at the Benefits and Use Cases of SDN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 SDN Automation Leads to Business Agility............................. 9 A new approach to network policy.............................. 10 Centralized policy management with distributed control points......................................... 11 Some Popular Use Cases for Deploying SDN......................... 13 Expanding Beyond the Network and the Data Center.......... 14 Chapter 3: Understanding the Technology. . . . . . . . . . . 15 Getting to Know SDN Controllers........................................... 15 Understanding Policies............................................................ 17 Considering Overlay Networks in SDN Environments............................................................ 19 Automating Your Cloud via SDN............................................. 21 Chapter 4: Key SDN Considerations and Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Focusing on Applications......................................................... 23 Keeping Things Open............................................................... 25 SDN: Open Protocols, Open Architectures, Open Ecosystems, and Open Source.................................. 25 Keeping What You Have by Using Cisco ACI......................... 27 These materials are © 2015 John Wiley & Sons, Inc. Any dissemination, distribution, or unauthorized use is strictly prohibited.iv Software Defined Networking For Dummies ___________________ Chapter 5: Ten Important Facts about Evaluating SDN Solutions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Programming Rather than Managing Manually.................... 31 Making for Easier Policy Implementation.............................. 32 Supporting Multivendor Ecosystems..................................... 32 Understanding the Importance of the Controller................. 33 Speaking the Right Language................................................... 33 Using the Northbound Lane.................................................... 33 Making Use of Cloud Automation Tools................................ 34 Considering an Extensible Architecture................................ 34 Choosing an Open Source SDN Platform Carefully............... 35 Keeping It Seamless.................................................................. 36 Appendix: SDN Acronyms. . . . . . . . . . . . . . . . . . . . . . . . . 37