Re: [Dime] open issues #1 in DOIC

Maria Cruz Bartolome <maria.cruz.bartolome@ericsson.com> Mon, 02 December 2013 16:13 UTC

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From: Maria Cruz Bartolome <maria.cruz.bartolome@ericsson.com>
To: "dime@ietf.org" <dime@ietf.org>
Thread-Topic: [Dime] open issues #1 in DOIC
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Date: Mon, 2 Dec 2013 16:13:01 +0000
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Subject: Re: [Dime] open issues #1 in DOIC
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Looks fine to me

MCruz

From: DiME [mailto:dime-bounces@ietf.org] On Behalf Of Steve Donovan
Sent: lunes, 02 de diciembre de 2013 16:45
To: dime@ietf.org
Subject: Re: [Dime] open issues #1 in DOIC

Agreed, looks good.

Steve
On 11/29/13 4:04 AM, Jouni Korhonen wrote:



Would work for me.



- Jouni



On Nov 29, 2013, at 11:48 AM, lionel.morand@orange.com<mailto:lionel.morand@orange.com> wrote:



Actually, I realized that we are redefining something somehow already in use in RFC 6733:



9.6. Correlation of Accounting Records





  If an application uses accounting messages, it can correlate

  accounting records with a specific application session by using the

  Session-Id of the particular application session in the accounting

  messages.  Accounting messages MAY also use a different Session-Id

  from that of the application sessions, in which case, other session-

  related information is needed to perform correlation.



We could maybe reuse the same type of wording to simplify the definition:



Pseudo-session applications are applications that

do not rely on the Session-Id AVP for correlation

of application messages related to the same session

but use another session-related information for this

purpose. The 3GPP defined Cx application [3GPP.29.229]

is an example of a pseudo-session application.



OK?



Regards,



Lionel



-----Message d'origine-----

De : Jouni Korhonen [mailto:jouni.nospam@gmail.com]

Envoyé : vendredi 29 novembre 2013 10:01

À : MORAND Lionel IMT/OLN

Cc : dime@ietf.org<mailto:dime@ietf.org> list

Objet : Re: [Dime] open issues #1 in DOIC





  Pseudo-session applications:



     While this class of application does not use the Diameter

     Session-ID AVP to correlate requests, there is an implied ordering

     of transactions defined by the application and except for the

     Session-ID differences pseudo-session based applications are

     generally assumed to behave like session-based application.  The

     3GPP defined Cx application [3GPP.29.229] is an example of a

     pseudo-session application.





Would this suffice?



- Jouni







On Nov 29, 2013, at 10:38 AM, lionel.morand@orange.com<mailto:lionel.morand@orange.com> wrote:



Hi,



For me, "pseudo-session" refers to session-based oriented applications that do not rely on the session-id for message correlations but on something else e.g. user-name. So it is implied that the same server is contacted by the client managing the session. In the Cx example, the same origin-host will be used in the client-initiated requests after the initial exchange and the server discovery phase.



Regards,



Lionel



-----Message d'origine-----

De : DiME [mailto:dime-bounces@ietf.org] De la part de Jouni Korhonen

Envoyé : vendredi 29 novembre 2013 09:30

À : dime@ietf.org<mailto:dime@ietf.org> list

Objet : [Dime] open issues #1 in DOIC



Folks,



         [OpenIssue: Do we assume that all requests in a pseudo-session

         typically need to go to the same server?]





The example here is in context of Cx. Not that I am expert on Cx (or anything)

but based on the CCF the requests _may_ have destination-host. Thus, I assume

that it is an implementation issue whether pseudo-sessions need to go to the

same server.. I guess we cannot have such firm requirement. Correct?



- Jouni

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