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Back in 2005-2006 we ran into significant issues with the GC and pinned memory related to Windows sockets when building a networked server for XMPP. I believe the GC has improved since then for that scenario, but it was a big surprise when it happened. It was a classic case of a leaky abstraction.

http://blog.jdconley.com/2006/06/how-to-build-scalable-net-s...

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I was still in high school when I read that post. Thanks for writing it. Buffer pooling is still incredibly relevant in .Net (as it is in many languages).

Just for the sake of reference:

https://msdn.microsoft.com/en-us/library/system.servicemodel...

Along these same lines, Microsoft.IO.RecyclableMemoryStream is also useful.

https://github.com/Microsoft/Microsoft.IO.RecyclableMemorySt...

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