RE: Re: VoIP peering & routing protocols (revisited)

["Stastny Richard" <Richard.Stastny@oefeg.at>]

> oh?  and why?  because money breeds bad architecture, crappy
> design, ...?  this is the bellhead mind-set trap.  

I fully agree. I basically never understood why TRIP is required
for routing of VoIP calls on the Internet. TRIP is for routing
transit traffic to the PSTN, there is no transit traffic on the
Internet. All you need to know on the Internet is the server hosting
the destination and this is done with the DNS. Either with the SIP
domain
in the URI or with ENUM for a E.164 number, which finally also points
to a SIP URI. ENUM without public SIP URIs is not working

Having VoIP end-pointg not having a URI resolvable in the public
DNS is according to Henry not VoIP. So Vonage is not really VoIP.

I know of course that many telcos are considering such VoIP services,
using such SIP URIs and I know them all (IMS).

Richard

> -----Original Message-----
> From: owner-voip-peering@psg.com [mailto:owner-voip-peering@psg.com]
On
> Behalf Of Randy Bush
> Sent: Wednesday, April 20, 2005 9:47 AM
> To: Kalogiros Constantinos
> Cc: voip-peering@psg.com
> Subject: Re: Re: VoIP peering & routing protocols (revisited)
> 
> > Of course, complexity vs functionality is a tradeoff that cannot
> > be ignored. However, in a competitive environment like VoIP
> > market (where real money are exchanged and thus there are a lot
> > of issues to be tackled) complexity is inherent.
> 
> oh?  and why?  because money breeds bad architecture, crappy
> design, ...?  this is the bellhead mind-set trap.  this is why the
> margins are gone from the wire-line and now wireless telcos.
> perhaps different architectural models might be considered this
> time around, where complexity is taken as a sign of looking at
> things in the wrong way.
> 
> for an understanding of some of the physics behind bad software
> engineering, see, for example
> 
>   <http://www.geometer.org/sgi/usability.html>
> 
> randy
> 
> 
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