[Standards-JIG] XEP0168 - UDP Sessions - Add UDP handshake

Peter Saint-Andre stpeter at jabber.org
Wed Oct 11 20:52:15 UTC 2006


Chris Mullins wrote:
> Justin Karneges Wrote:
>> On Wednesday 11 October 2006 11:12, Chris Mullins wrote:
>>> To fix this, I would like to see an actual UDP handshake added into
> the
>>> protocol. This would make certain the connection is live before we
>>> proceed and tell the user everything is up and running.
> 
>> This is exactly what XEP-0176 (Jingle ICE Transport) is for.
> 
> The problem is that XEP-0168 doesn't require ICE. It simply says, "Send
> your IP Address" and from there you're done. There's no requirement to
> use ICE. Past experience says a number of people will implement XEP-0168
> in a way that doesn't actually work with NAT and Firewalls. I would like
> to see that prevented, by having a working handshake over the new
> channel be a requirement for completion.
> 

The intent is that XEP-0176 (ICE) and XEP-0177 (Raw UDP) will be used
together. Unfortunately, we can't advance XEP-0176 until the IETF's ICE
spec has been approved.

Peter

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

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