Re: [Stox] Review of -chat

Salvatore Loreto <salvatore.loreto@ericsson.com> Tue, 30 July 2013 14:09 UTC

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Date: Tue, 30 Jul 2013 16:09:32 +0200
From: Salvatore Loreto <salvatore.loreto@ericsson.com>
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Subject: Re: [Stox] Review of -chat
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On 7/30/13 4:06 PM, Saúl Ibarra Corretgé wrote:
> One more thing: the -chat document doesn't have the detailed DNS lookup mechanism description that the IM document does, I guess it should also contain it, right?
I would prefer not to duplicate the same text among the different documents
unless there is not some specific DNS lookup detail that is specific for 
chat. Is this the case?

we can maybe think if the right place for the DNS lookup mechanism is IM 
document or we want to have it
in the Core draft

/Salvatore

>
>
> On Jul 30, 2013, at 4:01 PM, Saúl Ibarra Corretgé <saul@ag-projects.com> wrote:
>
>> Hi,
>>
>> Here is my review of the -chat document.
>>
>>
>> - What should a gateway do when it gets a message with XHTML-IM body? I guess send it with content-type text/html, but is there any translation required?
>>
>> - Section 4 mentions what should happen if no formal sessions are used, but doesn't say anything of the opposite. Should we say that those are out of the scope of this specification?
>>
>> - I think we should define a mapping between XMPP chatstates (XEP-0085) and the iscomosing indication (RFC 3994) particularly, the "gone" state in XMPP should trigger a BYE on the SIP side, and vice versa.
>>
>> - Should we add text to map MSRP reports to XMPP receipts (XEP-0184)? They do map very well semantically. Now, XEP-0184 says that the ack may not be sent if "The recipient simply does not wish to return a receipt for the content message.", which pretty much renders it useless. Anyway, I think we do need some text explaining how MSRP success and failure ports should be dealt with.
>>
>> - In general: we don't have any example using CPIM, not sure if we should say anything about it.
>>
>>
>> * Editorial nits
>>
>> - Examples (multiple): the gr parameter is a URI parameter, not a header parameter, so: "To: <sip:juliet@example.com>;gr=balcony" should be "To: <sip:juliet@example.com;gr=balcony>". This applies to both To and Contact headers.
>>
>> - Sec 1: "using the SIP INVITE and SEND request" -> "using the SIP INVITE and MSRP SEND request"
>>
>>
>> Cheers,
>>
>> --
>> Saúl Ibarra Corretgé
>> AG Projects
>>
>>
>>
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> --
> Saúl Ibarra Corretgé
> AG Projects
>
>
>
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-- 
Salvatore Loreto, PhD
www.sloreto.com