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Subjecthost vs interface address ownership [Re: [2.4 PATCH] bugfix: ARP respond on all devices]
On Tue, 19 Aug 2003, David S. Miller wrote:

> On Tue, 19 Aug 2003 13:02:20 +0100
> Richard Underwood <richard@aspectgroup.co.uk> wrote:
>
> > David S. Miller wrote:
> > > Under Linux, by default, IP addresses are owned by the system
> > > not by interfaces. This increases the likelyhood of successful
> > > communication on a subnet.
> > >
> > This is crap.
>
> Nope, the RFCs allow this.
>
> So this is where we must agree to disagree. Because host ownership of
> IP addresses is the basis for all of the arguments and it completely
> justifies Linux's ARP behavior on both sides.

Maybe I'm missing something -- I'm not sure what exactly you're including
in the models -- but wouldn't it be possible to implement the "host
ownership" model so that it would STILL honor any RFC out there (and
similarly for "interface ownership")?

For example, many IETF documents may state things like:

The
Home Agents List MAY be implemented in any manner consistent with the
external behavior described in this document.

.. which *seems* (without knowing which RFCs and sections of them you
refer to for justifying host/interface ownership) to be a probable intent
of allowing either model. Just as long as the external behaviour is
consistent, you can implement it with any internal structure you wish.

--
Pekka Savola "You each name yourselves king, yet the
Netcore Oy kingdom bleeds."
Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings


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