[6930] in North American Network Operators' Group
Re: Questions about Internet Packet Losses
daemon@ATHENA.MIT.EDU (Vadim Antonov)
Mon Jan 13 21:23:39 1997
Date: Mon, 13 Jan 1997 18:18:51 -0800
From: Vadim Antonov <avg@pluris.com>
To: avg@pluris.com, tli@jnx.com
Cc: nanog@merit.edu
> 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