[Standards] Re: [Standards-JIG] XEP0168 - UDP Sessions - Add UDPhandshake

Justin Karneges justin-keyword-jabber.093179 at affinix.com
Tue Apr 17 13:52:49 CDT 2007


On Tuesday 17 April 2007 11:08 am, Peter Saint-Andre wrote:
> Chris Mullins wrote:
> > Hi Peter,
> >
> > An echo of some sort is exactly what I was looking for. I just want
> > something, at the protocol level, that says, "It Works".
>
> Agreed. But we want this to be lightweight. For example, it would be
> rather heavy for the receiver to send a Jingle content-add action for
> the content type in XEP-0208 in order to check the connectivity. :) So
> we need a convention that developers can follow here. Sending echo data
> over the IP address and port specified in the Raw UDP candidate seems
> appropriate.

STUN already has UDP check/replies for exactly this sort of thing.  It is one 
of the many mechanisms used by ICE to ensure a usable transport.

-Justin


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