[87422] in North American Network Operators' Group
Re: Whatever happened to intelligence in the applicattion [Was: Re:
daemon@ATHENA.MIT.EDU (Mikael Abrahamsson)
Fri Dec 16 10:20:00 2005
Date: Fri, 16 Dec 2005 16:19:10 +0100 (CET)
From: Mikael Abrahamsson <swmike@swm.pp.se>
To: nanog@merit.edu
In-Reply-To: <20051216.062239.29476.159299@webmail22.lax.untd.com>
Errors-To: owner-nanog@merit.edu
On Fri, 16 Dec 2005, Fergie wrote:
> Doesn't anyone really remember the whole smart-v.-stupid network
> analogy? Not meaning to start a flame war here, but trying to stick all
> of the intelligence back into the network is not exactly a win-win
> proposal.
Yes, in a perfect world you're correct, but the equipment which does
POTS<->VoIP is probably easier (and cheaper) to do if it has a static 40ms
jitterbuffer instead of having to constantly adapt. Echo-cancellation
probably is easier to do if delay is constant (which it is with constant
jitter-buffer). OTOH the echo cancellation should be done in the POTS-VoIP
interconnect and the echo is only present in the POTS part so that should
work anyway.
But then again, that's why Skype is to successful, it adapts to network
conditions, so it might be that this way will prove more successful.
--
Mikael Abrahamsson email: swmike@swm.pp.se
