James,

On Thursday 28 February 2008, James Carlson wrote:
> Julien Laganier writes:
> > On Wednesday 27 February 2008, Thomas Narten wrote:
> > > We'll never get them to rely on IPsec, at least not until its
> > > much more widely available/useable.
> >
> > Agree. But I think the availability part can be helped by keeping
> > IPsec mandatory (so that it gets in more and more OS's), while the
> > usability part can be helped by getting the BTNS WG to deliver its
> > APIs (so that applications can finally start using IPsec).
>
> You get exactly that same level of goodness with a BCP 14 "SHOULD."
> The only difference is that "MUST" causes implementors with differing
> fundamental marketing considerations to toss the whole requirements
> RFC out on its ear -- because it mandates something that (in their
> view) ought not be done or perhaps simply _cannot_ be done with
> available resources.
>
> MUST doesn't actually cause any more implementations to appear in
> comparison to SHOULD.  I think your argument would work, though, if
> we were discussing SHOULD versus MAY.

You are right. SHOULD should be fine.

--julien
--------------------------------------------------------------------
IETF IPv6 working group mailing list
ipv6@ietf.org
Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6
--------------------------------------------------------------------

Reply via email to