Date: Wed, 27 Jan 1999 10:08:11 -0600 From: Chris Costello <chris@holly.dyndns.org> To: Mittal Monani <MMonani@spacebridge.com> Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: Newbie questions : please help Message-ID: <19990127100811.A74511@holly.dyndns.org> In-Reply-To: <535C51E37384D211BBE400A0C9932501063BAA@snc2.spacebridge.com>; from Mittal Monani on Wed, Jan 27, 1999 at 10:10:56AM -0500 References: <535C51E37384D211BBE400A0C9932501063BAA@snc2.spacebridge.com>
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On Wed, Jan 27, 1999, Mittal Monani put this into my mailbox:
>
>
> -----Original Message-----
> From: Chris Costello [mailto:chris@holly.dyndns.org]
> Sent: Wednesday, January 27, 1999 7:06 AM
> To: Mittal Monani
> Subject: Re: Newbie questions : please help
>
>
> On Tue, Jan 26, 1999, Mittal Monani put this into my mailbox:
>
> >>
> >>3.How do I find out which RFCs are currently implemented? I am
> specifically
> >> interested in knowing if the following RFCs are implemented in Freebsd
> >> 2.2.8:
> >>
>
> >To which protocols do these RFCs apply?
>
> >> --RFC 1323
Since I'm not too sure how to accurately determine whether or not these
exist, I grepped /usr/src/sys for it. I found traces of "rfc1323" in
/usr/src/sys/netinet/tcp_subr.c
>
> TCP Extensions for high Performance
>
> >>--RFC 1812
>
> Routing/packet forwardong
Couldn't find that, but maybe natd might help you:
DESCRIPTION
This program provides a Network Address Translation facility for use with
divert(4) sockets under FreeBSD. Most of the command line options are
available in a single character short form or in a long form. Use of the
long form is encouraged as it makes things clearer to the casual observ-
er.
Natd normally runs in the background as a daemon. It is passed raw IP
packets as they travel into and out of the machine, and will possibly
change these before re-injecting them back into the IP packet stream.
>
> >>--RFC 1483
>
> LLC/SNAP encapsulation for transport over ATM
There appears to be RFC1483-related material in /usr/src/sys/dev/en/midway.c
>
> >>--RFC 2001
>
> Fast xmit and fast recovery
Couldn't find rfc2001 code
>
> >>--RFC 2018
>
> Selective Acknowledgement (SACK)
/usr/src/sys/netinet/tcp.h contains an option TCPOPT_SACK, and it says it's
experimental.
>
>
> >
> > 4.I am interested in experimenting with integrating the stack with an RTOS
>
> > (VxWorks) after removing the built-in stack and then optimizing it for
> > performance. I cannot license the source from the RTOS vendor. Any
> > pointers
> > to useful information? Any experience you might care to share?
>
> Sorry, I, myself, cannot provide you with this information because I
> don't know about the specific project you're talking about.
>
> >
> > TIA,
> >
> > Mittal
> >
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> >
>
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