Impact of Centralized Control Plane Partitioning

A long-time reader sent me a series of questions about the impact of WAN partitioning in case of an SDN-based network spanning multiple locations after watching the Architectures part of Data Center Fabrics webinar. He therefore focused on the specific case of centralized control plane (read: an equivalent of a stackable switch) with distributed controller cluster (read: switch stack spread across multiple locations).

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Select a language: Afrikaans Albanian Arabic Armenian Basque Bengali Bulgarian Catalan Cambodian Chinese (Mandarin) Croatian Czech Danish Dutch English Estonian Fiji Finnish French Georgian German Greek Gujarati Hebrew Hindi Hungarian Icelandic Indonesian Irish Italian Japanese Javanese Korean Latin Latvian Lithuanian Macedonian Malay Malayalam Maltese Maori Marathi Mongolian Nepali Norwegian Persian Polish Portuguese Punjabi Quechua Romanian Russian Samoan Serbian Slovak Slovenian Spanish Swahili Swedish Tamil Tatar Telugu Thai Tibetan Tonga Turkish Ukrainian Urdu Uzbek Vietnamese Welsh Xhosa <p>A long-time reader sent me a series of questions about the impact of WAN partitioning in case of an SDN-based network spanning multiple locations after watching the <a href="https://my.ipspace.net/bin/list?id=DCFabric#ARCHITECTURES">Architectures</a> part of <a href="https://www.ipspace.net/Data_Center_Fabrics">Data Center Fabrics</a> webinar. He therefore focused on the specific case of <em>centralized control plane</em> (read: an equivalent of a stackable switch) with <em>distributed controller cluster</em> (read: switch stack spread across multiple locations).</p> <figure> <img src="https://blog.ipspace.net/2021/02/multi-dc-controllers.png" alt="SDN controllers spread across multiple data centers"/> <figcaption> <p>SDN controllers spread across multiple data centers</p> </figcaption> </figure><div class='jump-link'><a href='https://blog.ipspace.net/2021/02/centralized-control-plane-partition.html'>Read more …</a></div> First name:

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