Re: [MMUSIC] Re: File transfer verrsion -02

Gonzalo Camarillo <Gonzalo.Camarillo@ericsson.com> Wed, 23 May 2007 10:51 UTC

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Date: Wed, 23 May 2007 13:51:18 +0300
From: Gonzalo Camarillo <Gonzalo.Camarillo@ericsson.com>
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To: Miguel Garcia <Miguel.Garcia@nsn.com>
Subject: Re: [MMUSIC] Re: File transfer verrsion -02
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Hi,

I agree we should keep it simple and refrain from defining a new attribute.

Cheers,

Gonzalo

Miguel Garcia wrote:
> Hi Mahesh:
> 
> Thanks for the comment.
> 
> I took a look at the vanilla MSRP draft 
> (draft-ietf-simple-message-sessions) and it already offers a 'max-size' 
> attribute with similar (mostly the same) semantics that you mention.
> 
>    An endpoint MAY indicate the maximum size message they wish to
>    receive using the max-size a-line attribute.  Max-size refers to the
>    complete message in octets, not the size of any one chunk.  Senders
>    SHOULD NOT exceed the max-size limit for any message sent in the
>    resulting session.  However, the receiver should consider max-size
>    value as a hint.
> 
> The difference between MSRP max-size and your proposed max-file-size is 
> that max-size comprises the CPIM overhead whereas max-file-size do not.
> 
> Honestly, I think the difference is on the order of hundreds of bytes at 
> maximum. I think we shouldn't be defining a new attribute for it.
> Which other view do we have on this one?
> 
> /Miguel
> 
> 
> 
> 
> Mahesh Anjanappa wrote:
>> hi Miguel,
>> A File  Receiver should be given the provision to indicate to the File
>> Sender as to
>> what is the maximum File size it is capable of receiving. This will be
>> especially
>> useful if the File Sneder does NOT provide the File-Size in the 
>> INVITE(SDP).
>>
>> For this i suggest the following
>> "A Receiver MAY indicate the maximum size MSRP message(translates to max
>> File Size) that it wishes to
>> receive by including  the max-size a-line attribute in the SDP of
>> 200OK(INVITE).
>> Max-size refers to the complete message in octets, not the size of any 
>> one
>> chunk.
>> Senders  SHALL NOT exceed the max-size limit for any message sent in the
>> resulting session".
>>
>> regards
>> Mahesh
>>
>>
>> ----- Original Message ----- From: "Miguel Garcia" 
>> <Miguel.Garcia@nsn.com>
>> To: "mmusic" <mmusic@ietf.org>
>> Sent: Friday, May 18, 2007 6:34 PM
>> Subject: File transfer verrsion -02
>>
>>
>>> I have submitted version -02 of the file transfer draft.
>>>
>>> Until it appears in the repository, you can fetch a copy from:
>>>
>>>
>> http://people.nokia.net/~miguel/drafts/draft-ietf-mmusic-file-transfer-mech-02.txt 
>>
>> http://people.nokia.net/~miguel/drafts/draft-ietf-mmusic-file-transfer-mech-02.html 
>>
>>> and a diff version:
>>>
>> http://people.nokia.net/~miguel/drafts/draft-ietf-mmusic-file-transfer-mech-02-from-1.html 
>>
>>> The changes in this version are:
>>> - Rename of attributes:
>>>    s/icon/file-icon
>>>    s/disposition/file-disposition
>>>
>>> - Fixed SDP in example in Section 9.3 to include mime types.
>>>
>>> With this, I think the document is complete. I am not aware of any
>>> further open issues.
>>>
>>> Regards,
>>>
>>>      Miguel
>>> -- 
>>> Please note my new e-mail address: miguel.garcia at nsn.com
>>> Miguel A. Garcia           tel:+358-50-4804586
>>> Nokia Siemens Networks     Helsinki, Finland
>>>
>>>
>>>
>>
>>
>> _______________________________________________
>> mmusic mailing list
>> mmusic@ietf.org
>> https://www1.ietf.org/mailman/listinfo/mmusic
>>
> 


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