Re: [Stox] Extended WGLC for draft-ietf-stox-groupchat-04
Saúl Ibarra Corretgé <saul@ag-projects.com> Wed, 28 May 2014 12:52 UTC
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From: Saúl Ibarra Corretgé <saul@ag-projects.com>
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Date: Wed, 28 May 2014 14:51:59 +0200
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References: <CALm9TZ_--rtZyWu3k4WjNd1Oo=ZuYUuwyhySRQkD7aEPi5cJdQ@mail.gmail.com> <5363FD13.5020106@alum.mit.edu> <5384A67A.6050302@stpeter.im>
To: Peter Saint-Andre <stpeter@stpeter.im>
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Cc: stox@ietf.org, Paul Kyzivat <pkyzivat@alum.mit.edu>
Subject: Re: [Stox] Extended WGLC for draft-ietf-stox-groupchat-04
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On May 27, 2014, at 4:51 PM, Peter Saint-Andre wrote: > On 5/2/14, 2:16 PM, Paul Kyzivat wrote: >> I took a look at this. Disclaimer: It's been a long time since the >> simple-chat work was done and I haven't been involved with it since. So >> maybe I have forgotten or missed something. >> >> Section 4: >> >> Both F4 and F5 are 200 OK messages! It appears that F5 is unintended - >> it doesn't seem to be referenced anywhere. > > Yes, that's an extraneous line. > >> In a variety of places in the MSRP examples: >> >> The "gr=" URI parameter is used with sip URIs. It seems to be carrying >> nicknames. I don't know where that usage is coming from - it doesn't >> seem to come from draft-ietf-simple-chat-18. Should probably check with >> one of the authors of simple-chat about this. > > We do talk about the GRUU mapping in the stox-core spec (now RFC 7247). Here the GRUU valies (MUC) are mapping resourceparts of full JIDs, which in XMPP Multi-User Chat also serve as nicknames. > > So, for instance, this is a mere resourcepart for a user's connected device: > > Contact: <sip:juliet@example.com>;gr=balcony > > Whereas this is a resourcepart functioning as a MUC nickname: > > sip:verona@chat.example.org;gr=Romeo > > Preserving this information from the XMPP side of the gateway seems like a good idea (or at least not a bad idea), but I am not sure if a standard MSRP implementation would make use of the information. Checking with the authors of draft-ietf-simple-chat seems like a reasonable thing to do. > > Saúl, what does your implementation do with the GRUU in both cases (mere resourcepart and MUC nickname)? > Hi, Mere resourcepart is translated to a full JID. When using MUC, 2 things happen: the address is translated to a bare JID and a NICKNAME chunk is sent over MSRP in order to join the groupchat. The occupant JID is translated to a GRUU, which can be used for private messaging. Hope that helps! -- Saúl Ibarra Corretgé AG Projects
- Re: [Stox] Extended WGLC for draft-ietf-stox-grou… Waqas Hussain
- Re: [Stox] Extended WGLC for draft-ietf-stox-grou… Paul Kyzivat
- Re: [Stox] Extended WGLC for draft-ietf-stox-grou… Peter Saint-Andre
- Re: [Stox] Extended WGLC for draft-ietf-stox-grou… Saúl Ibarra Corretgé