[jdev] Re: help needed to implement a P2P Chat Client

Peter Saint-Andre stpeter at jabber.org
Mon Aug 28 17:29:36 CDT 2006


Justin Karneges wrote:
> On Monday 28 August 2006 14:36, Peter Saint-Andre wrote:
>> Ravi wrote:
>>> I have an idea of what I am up against. As well as little surprised that
>>> nobody tried P2P for chat. I will reconsider my options.
>> Nobody in the Jabber community has, because our technology has worked
>> just fine so far. But ICQ and Skype (mostly) take the p2p approach.
> 
> As I understand it, ICQ primarily sends messages over the server, now that it 
> uses the OSCAR protocol (just like AIM).

Yes, I meant in the old days.

> P2P could allow for more optimized routing, but there are far too many 
> firewalls to even consider it.  AIM and MSN have proven that server-based 
> message routing isn't a problem, even if you have millions of users.  And if 
> you don't have millions of users, then it also isn't a problem.  This is the 
> nice thing about XMPP decentralization; it is not jabber.org's job to host 
> the whole planet.
> 
> Additionally, a design goal of XMPP is to allow for easy client development, 
> and having the server do a lot of the work sure is easier than P2P.  You can 
> see evidence of this by comparing the number of clients that support plain IM 
> vs the number that support any kind of P2P extension (e.g. File transfer or 
> VoIP).

Well said.

Peter

-- 
Peter Saint-Andre
Jabber Software Foundation
http://www.jabber.org/people/stpeter.shtml

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