Layer-2 Network Is a Single Failure Domain

Surprise! No amount of networking technology will make Layer-2 networks be the correct choice for everything they’re being pitched for.

This topic has been on my to-write list for over a year and its working title was phrased as a question, but all the horror stories you’ve shared with me over the last year or so (some of them published in my blog) have persuaded me that there’s no question — it’s a fact.

About the author

Stephen Foskett

Stephen Foskett is an active participant in the world of enterprise information technology, currently focusing on enterprise storage, server virtualization, networking, and cloud computing. He organizes the popular Tech Field Day event series for Gestalt IT and runs Foskett Services. A long-time voice in the storage industry, Stephen has authored numerous articles for industry publications, and is a popular presenter at industry events. He can be found online at,, and on Twitter at @SFoskett.

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