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From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH 1/2] syncookies: do not store rcv_wscale in tcp
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Date: Sat, 26 Jun 2010 21:27:23 -0700 (PDT)
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From: Hagen Paul Pfeifer <hagen@jauu.net>
Date: Fri, 25 Jun 2010 00:14:16 +0200

> why not limit the window to 2^16 bytes which is sufficient for
> 99.9999% of the use case?

This may have been true 8 years ago, but it is not any longer.

You will underutilize your link with anything smaller than
~512k on the modern internet.