Subject: Re: rdist vs. sup
To: Greg A. Woods <>
From: Perry E. Metzger <>
List: current-users
Date: 03/03/1995 12:31:21
Greg A. Woods says:
> > ...that you see the occasional corrupt packet slip through the header
> > checksum.   Nonetheless, since a lot of us NetBSD hackers are in fact
> > on the other end of slip or ppp connections, a 32-bit CRC in sup would
> > be a big win.
> That's still fixing the wrong thing.  If TCP/IP transports *guarantee* a
> clean transmission circuit, then they should provide it.

TCP/IP makes no such guarantee. It uses a very weak checksum.

> It kind'a bugs me a great deal that the networking code in NetBSD *can*
> allow errors to creep into a TCP circuit!

It has nothing to do with NetBSD -- its a TCP problem.