RE: [Speermint] Updated Draft: SPEERMINT Peering Architecture

["Richard Shockey" <[e-mail]>]

> -----Original Message-----
> From: Francois D. Menard [mailto:[e-mail]]
> Sent: Friday, May 26, 2006 9:15 PM
> To: 'Otmar Lendl'; 'Michael Hammer (mhammer)'
> Cc: 'Khan, Sohel Q [CTO]'; [e-mail]
> Subject: RE: [Speermint] Updated Draft: SPEERMINT Peering Architecture
> 
> > * infrastructure ENUM will be public (if it wants to enable more than
> just
> national peerings).
> 
> This is why I had the Canadian ENUM trial framework modified to hold
> non-terminal NAPTRs in Tier 1B which is unlike the US enum trial
> framework.


Yes but many of us really dislike the use of non terminal NAPTRS since their
behavior is not sufficiently documented.



> 
> 
> > My thinking was that one would need to progress through a series of
> > steps/functions where the bootstrap steps are very public, but the
> > later steps depend on the previous step enabling it.  The chicken or
> > egg problem shouldn't occur for first steps.
> 
> That's why we put the bootstrapping steps into the DNS. Any other system
> SPEERMINT will come up with, e.g. some SUBSCRIBE/NOTIFY would fit in very
> nicely: the domain policy the can reference this framework as the
> requirement to reach the destination.
> 
> > (I do understand your model
> > where you advertise what is only reachable by a few, but then it is
> > working as you intended with selective unreachability being part of
> > your
> > design.)
> 
> As I see the market right now, we already have a very selective
> reachability
> on the SIP layer between VoIP operators.
> 
> I can't see a way to move the state of affairs to "interconnection on SIP
> basis between all commercial VoIP-operators worldwide" without either
> 
> * building a SIP routing protocol complete with transit networks
>   (the BGP model)
> 
> or
> 
> * require the possibility of direct connections between all
>   operators worldwide.
>   Determining whether the caller from halfway around the globe
>   is a legitimate operator is massively difficult, thus we
>   end running open servers. (the email model)
> 
> Thus I think selective reachability on SIP will stay with us for the
> medium
> term.



They are called bi-lateral agreements. 



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