> OK, so then lets go back to the question posed in the thread. The
> current spec says that one should never use an anycast address as a
> source address under any circumstances. That clearly flies in the face
> of present practice, isn't responsiv to the set of concerns you raised
> about anycast in general, and can be mitigated if anycast is use for
> rendesvous. The suggestion was made that under a defined set of
> circumstances (single message each way exchange, rendezvous, perhaps
> some others) and with a defined set of procedures it would be OK to use
> it as a source address. Those procedures need to spell out the whys and
> wherefores.
>
> Would you be willing to see the 100% ban removed from the draft
> standard and substitute text to the effect of that above included, with
> follow-up work in grow-or-wherever to spell out those procedures?
Definitely yes.
> On Apr 6, 2005, at 8:19 PM, Mark Andrews wrote:
>
> >
> >>
> >> On Apr 6, 2005, at 6:36 PM, Mark Andrews wrote:
> >>
> >>> Getting back to unicast initiated sessions I would still
> >>> like to see some mechanism (as low in the stack as possible)
> >>> which would allow long running session to survive routing
> >>> changes.
> >>
> >> You're speaking in this thread. Did you take a look at the proposal
> >> that Eric Nordmark, I, and the grow folks have discussed about a
> >> care-of-address that would give a long term fixed address to the
> >> server
> >> in question? Answering that question is where we started out.
> >
> > care-of-address would be overkill for somethings and
> > quite a reasonable solution for others. If it could be
> > made selectable on a per/socket basis (I havn't looked
> > at how implemetation do this at present) I suspect this
> > will meet most of what would be required.
> >
> > In other words we would not want to do this for DNS/UDP but
> > for DNS/TCP it would be acceptable even though it would only
> > be really required for long running AXFR's (multi-megabyte).
> >
> >> --------------------------------------------------------------------
> >> IETF IPv6 working group mailing list
> >> [email protected]
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> >> --------------------------------------------------------------------
> > --
> > Mark Andrews, ISC
> > 1 Seymour St., Dundas Valley, NSW 2117, Australia
> > PHONE: +61 2 9871 4742 INTERNET: [EMAIL PROTECTED]
> >
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: [EMAIL PROTECTED]
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