Packet Pushers - Weekly Show | Listen Notes


The original networking show for IT pros.
United States
401 episodes
since May, 2010


Show 398: The Tradeoffs Of Information Hiding In The Control Plane

Today on the Priority Queue, we re gonna hide some information. Oh, like route summarization? Sure, like route summarization. That s an example of information hiding. But there s much more to the story than that. Our guest is Russ White. Russ is a serial networking book author, network architect, RFC writer, patent holder, technical instructor, and much of the motive force behind the early iterations of the CCDE program. The latest tome to flow from his keyboard (and mine, actually) is Computer Networking Problems and Solutions available on Amazon right now. While I wrote or contributed to several of the chapters in this book, Russ did the lion s share, and we re going to dive into one of his book chapters, devoted to the topic of information hiding. We discuss the reasons for information hiding in the control plane, including resource conservation and reducing the failure domain; the pros and cons of dividing a network in multiple failure domains with information hiding; and the criticality of convergence. We also talk about techniques for information hiding, including filtering reachability information and using overlays. Sponsor: InterOptic InterOptic offers high-performance, high-quality optics at a fraction of the cost. Find out more at, and if you re attending Interop 2018 in Vegas, stop by the InterOptic booth to learn how they can help you spec the right optics for your network. Show Links: Computer Networking Problems and Solutions – Addison-Wesley Professional Navigating Network Complexity: Next-generation routing with SDN, service virtualization, and service chaining (with Jeff Tantsura) The Art of Network Architecture: Business-Driven Design (with Denise Donohue) – Russ White’s blog – Russ White’s video podcast & community The post Show 398: The Tradeoffs Of Information Hiding In The Control Plane appeared first on Packet Pushers.
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