[104025] in North American Network Operators' Group
Re: [Nanog] Lies, Damned Lies,
daemon@ATHENA.MIT.EDU (Matthew Moyle-Croft)
Tue Apr 22 09:35:16 2008
Date: Tue, 22 Apr 2008 22:32:12 +0900
From: Matthew Moyle-Croft <mmc@internode.com.au>
To: Alexander Harrowell <a.harrowell@gmail.com>
In-Reply-To: <a2b2d0480804220628wd6debb4n1b084dd506b35478@mail.gmail.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces@nanog.org
SNSP = Simple Network Selection Protocol
Alexander Harrowell wrote:
> NCAP - Network Capability (or Cost) Announcement Protocol.
>
> On Tue, Apr 22, 2008 at 2:24 PM, Matthew Moyle-Croft
> <mmc@internode.com.au <mailto:mmc@internode.com.au>> wrote:
>
> (I know, replying to your own email is sad ...)
> > You could probably do this with a variant of DNS. Use an Anycast
> > address common to everyone to solve the discovery problem. Client
> > sends a DNS request for a TXT record for, as an example,
> > 148.165.32.217.p2ptopology.org
> <http://148.165.32.217.p2ptopology.org>. The topology box looks
> at the IP
> > address that the request came from and does some magic based on the
> > requested information and returns a ranking score based on that
> (maybe
> > 0-255 worse to best) that the client can then use to rank where it
> > downloads from. (might have to run DNS on another port so that
> normal
> > resolvers don't capture this).
> >
> > The great thing is that you can use it for other things.
> >
> Since this could be dynamic (I'm guessing BGP and other things
> like SNMP
> feeding the topology box) you could then use it to balance traffic
> flows
> through your network to avoid congestion on certain links - that's
> a win
> for everyone. You could get webbrowsers to look at it when
> you've got
> multiple A records to chose which one is best for things like Flash
> video etc.
>
> MMC
>
> --
> Matthew Moyle-Croft - Internode/Agile - Networks
> Level 5, 150 Grenfell Street, Adelaide, SA 5000 Australia
> Email: mmc@internode.com.au <mailto:mmc@internode.com.au> Web:
> http://www.on.net
> Direct: +61-8-8228-2909 Mobile: +61-419-900-366
> Reception: +61-8-8228-2999 Fax: +61-8-8235-6909
>
> "The difficulty lies, not in the new ideas,
> but in escaping from the old ones" - John Maynard Keynes
>
>
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>
--
Matthew Moyle-Croft - Internode/Agile - Networks
Level 5, 150 Grenfell Street, Adelaide, SA 5000 Australia
Email: mmc@internode.com.au Web: http://www.on.net
Direct: +61-8-8228-2909 Mobile: +61-419-900-366
Reception: +61-8-8228-2999 Fax: +61-8-8235-6909
"The difficulty lies, not in the new ideas,
but in escaping from the old ones" - John Maynard Keynes
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