Re: [Dime] [dime] #50: OC-OLR AVP implicit info

Maria Cruz Bartolome <maria.cruz.bartolome@ericsson.com> Wed, 12 February 2014 13:49 UTC

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From: Maria Cruz Bartolome <maria.cruz.bartolome@ericsson.com>
To: "dime@ietf.org list" <dime@ietf.org>, "draft-docdt-dime-ovli@tools.ietf.org" <draft-docdt-dime-ovli@tools.ietf.org>
Thread-Topic: [dime] #50: OC-OLR AVP implicit info
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Date: Wed, 12 Feb 2014 13:49:35 +0000
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Subject: Re: [Dime] [dime] #50: OC-OLR AVP implicit info
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Ben,

See below
/MCruz

-----Original Message-----
From: Ben Campbell [mailto:ben@nostrum.com] 
Sent: miércoles, 12 de febrero de 2014 14:44
To: dime@ietf.org list
Cc: draft-docdt-dime-ovli@tools.ietf.org; Maria Cruz Bartolome
Subject: Re: [dime] #50: OC-OLR AVP implicit info


On Feb 12, 2014, at 1:43 AM, dime issue tracker <trac+dime@grenache.tools.ietf.org> wrote:

> #50: OC-OLR AVP implicit info
> 
> Now (chapter 4.3):
> 
>    The OC-OLR AVP does not contain explicit information to which
>    application it applies to and who inserted the AVP or whom the
>    specific OC-OLR AVP concerns to. Both these information is
>    implicitly learned from the encapsulating Diameter message/command.
>    The application the OC-OLR AVP applies to is the same as the
>    Application-Id found in the Diameter message header.  The identity
>    the OC-OLR AVP concerns is determined from the Origin-Host AVP found
>    from the encapsulating Diameter command.
> 
> 
> My understanding is that "who inserted the AVP" cannot always be 
> learned from the encapsulating Diameter message, since "origin-host" 
> may not always contain the host that inserted the OLR.
> A part from that, "whom the specific OC-OLR AVP concerns to", could be 
> a bit misleading. "whom" may be host, realm, or any other future 
> ReportType, or even any other "narrowed scope" within the OLR. Last 
> sentence is affected by this ambiguity as well.
> 
> 
> New proposal (related to new text proposed chapter 4.6, see to Issue #34):
> 
> The OC-OLR AVP does not contain explicitly all information needed by 
> the reacting node in order to decide whether a subsequent request must 
> undergo a throttling process with the received reduction percentage.
> The following information is implicitly known from the received 
> application answer and OC-OLR AVP, that is used by reacting node to 
> identify subsequent requests that are requested to be throttled:
> 
> a)The Application-ID is the value of the Application-ID of the Diameter
>   Header of the received message that contained the OC-OLR AVP.
> 
> b)The Destination-Realm AVP (if required, see 4.6) is the value of the 
> _Origin-REALM_ AVP of the received message that contained the OC-OLR AVP.
> 
> c)The Destination-Host AVP (if required, see 4.6) is the value of the 
> Origin-Host AVP of the received message that contained the OC-OLR AVP.

b) and c) are the same. Was one intended to be Realm?

[MCruz] Yes, this was the intention, corrected in caps above. 

> 
> --
> -------------------------------------+--------------------------------
> -------------------------------------+-----
> Reporter:                           |      Owner:  draft-docdt-dime-
>  maria.cruz.bartolome@ericsson.com  |  ovli@tools.ietf.org
>     Type:  defect                   |     Status:  new
> Priority:  major                    |  Milestone:
> Component:  draft-docdt-dime-ovli    |    Version:  1.0
> Severity:  Active WG Document       |   Keywords:
> -------------------------------------+--------------------------------
> -------------------------------------+-----
> 
> Ticket URL: <http://trac.tools.ietf.org/wg/dime/trac/ticket/50>
> dime <http://tools.ietf.org/wg/dime/>
>