[Standards] Re: [Standards-JIG] XEP0168 - UDP Sessions - Add UDPhandshake
stpeter at jabber.org
Tue Apr 17 20:35:55 UTC 2007
Justin Karneges wrote:
> On Tuesday 17 April 2007 11:56 am, Peter Saint-Andre wrote:
>> Justin Karneges wrote:
>>> 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
>>> 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.
>> Right. But that doesn't help us with the raw UDP transport...
> Who cares about the raw UDP transport? :)
> But seriously, the point of the raw UDP transport is that it doesn't have
> complicated things like connectivity checks. If you add connectivity checks,
> then the spec basically becomes ICE-UDP without a stun server.
Right. Raw UDP is like the "I'm Feeling Lucky" button.
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