Subject: [Sigtran] AS - ASP relationship in IUA

From: "Sergey Mikhailov" <[email-masked]>
Date: Wed, 20 Dec 2006 20:56:12 +0700

Folks,

RFC 4233 says:

(AS definition)
   Application Server (AS) - A logical entity serving a specific
   application instance.  An example of an Application Server is a MGC
   handling the Q.931 and call processing for D channels terminated by
   the Signaling Gateways.  Practically speaking, an AS is modeled at
   the SG as an ordered list of one or more related Application Server
   Processes (e.g., primary, secondary, tertiary).
(regarding Interface Identifiers in ASP Active message)   If no Interface Identifiers are included, the message is for all
   provisioned Interface Identifiers within the AS or ASes in which the
   ASP is provisioned.  If only a subset of Interface Identifiers is
   included, the ASP is noted as Active for all the Interface
   Identifiers provisioned for that AS.

Must application servers (i.e. ordered lists of ASPs + IIDs related to each AS) be preconfigured at SG to allow ASPs to be related to some of these application servers during ASP Active procedure?

If no, is it presumed that in the case with no IIDs in ASP Active, the ASP is to process traffic for all valid IIDs of the SG?

Regards,
Sergey Mikhailov.

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