Re: [Dime] OLR applicable for any/all applications

[<[e-mail]>]

Hi Maria-Cruz,

I agree with Nirav's comment: No need of such optimization. OLR is per application and if more than one application is used between nodes, the OLR will be received on the application related answers.

Regards,

Lionel

De : DiME [mailto:[e-mail]] De la part de Nirav Salot (nsalot)
Envoyé : mardi 3 décembre 2013 10:41
À : Maria Cruz Bartolome; [e-mail]
Objet : Re: [Dime] OLR applicable for any/all applications

Maria-Cruz,

The existing OC-OLR definition (without "All Application" AVP) already addresses your use case. E.g. reporting  node includes same value of "Reduction-Percentage" in all the application messages sent by it. So we don't need "All Application" AVP additionally.
Besides, reporting "Reduction-Percentage" of a different application violates the basic principle of the piggybacking.
Finally, in 3GPP (as far as I remember) we do not have any use case of two nodes interfacing with each other over more than one application. i.e. we have only one application between any pair of nodes and if that is so then I fail to see the practicality of the use case you have mentioned below.

Regards,
Nirav.

From: DiME [mailto:[e-mail]] On Behalf Of Maria Cruz Bartolome
Sent: Tuesday, December 03, 2013 2:13 PM
To: [e-mail]
Subject: [Dime] OLR applicable for any/all applications


Dear all,

There may be a need by a reporting node to request traffic reduction for all traffic, application independent, e.g. if an operator's network becomes severely overloaded, it may be of interest to signal directly general overload to the client.
In this case, since reacting node obtains affected application from the application message, we may need to extend OLR.

At least we got following options:



A)     Define a new optional AVP that could be included into OLR, like e.g.:

   OC-OLR ::= < AVP Header: TBD2 >

              < TimeStamp >

              [ Reduction-Percentage ]

              [ ValidityDuration ]

              [ ReportType ]

              [All applications]

            * [ AVP ]



B)      Extend  ReportTypes like e.g.:

   3  Destination-Host All Applications report.  Similar to Destination-Host report but it would apply to any application regardless the application message this report is received within.

   4  Realm (aggregated) All Applications report.  Similar to Realm report but it would apply to any application regardless the application message this report is received within.



I tend to prefer option A, but let me know your opinions and preferences.
Best regards
/MCruz



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