Re: Questions about Internet Packet Losses

[Vadim Antonov <avg () pluris com>]

>   The 4.3 Reno-derived TCPs (the majority) are fairly robust.

> Yeah, but I doubt that they're in the majority.  Recent stats indicate that
> about 9% of the packets out there are using an MSS of 512.  Another 1% are
> using an MSS of 256.  Only 6% are using 536, and 7% are using 1460.  This
> indicates to me that there are a whole lot of broken boxes out there still.

I'm wondering why.  The easiest way to implement TCP stack always was
to pull the pieces off BSD code.  Even oldest MS-DOS TCPs (like Phil
Karn's KA9Q) are essentially that.

--vadim
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