Diameter Gy – Abort-Session-Answer (ASA) command

Diameter Gy – ASA message format

This section describes the Diameter Gy ASA message format as defined in RFC 6733. Strikethrough formatted AVPs are not included in ASA. 

 <ASA>  ::= < Diameter Header: 274, PXY > 
                    < Session-Id > 
                    { Result-Code } 
                    { Origin-Host } 
                    { Origin-Realm } 
                    [ User-Name ]
[ Origin-State-Id ]
[ Error-Message ]
[ Error-Reporting-Host ]
[ Failed-AVP ]
                  * [ Redirect-Host ]
[ Redirect-Host-Usage ]
[ Redirect-Max-Cache-Time ]
                  * [ Proxy-Info ]
                  * [ AVP ]

Diameter Gy – ASA message top level AVPs

Diameter Gy ASA: top level AVP description provides a detailed description for each top level AVP present in a Diameter Gy ASA message.

Table 1. Diameter Gy ASA: top level AVP description
AVP code AVP name Description

263

Session-id

A session is a logical concept at the application layer that exists between the Diameter client and the Diameter server; it is identified via the Session-Id AVP.

Format:

<DiameterIdentity>;<high 32 bits>;<low 32 bits>

  • <DiameterIdentity> is the configured origin host

  • <high 32 bits> are encoded as the Diameter initialization time (the number of seconds since 1 Jan 1970)

  • <low 32 bits> are encoded as a sequentially increasing number starting at 1

Example:

bng.nokia.com;1326398325;1

264

Origin-Host

Diameter Identity. As configured in the corresponding diameter-peer-policy

Example: bng.nokia.com

268

Result-Code

Values:

2002 = Diameter Limited Success

5002 = Diameter Unknown Session ID

5012 = Diameter Unable To Comply — AVP parsing errors or message errors

296

Origin-Realm

Diameter Identity. As configured in the corresponding diameter-peer-policy

Example: nokia.com
Table 2. Diameter Gy ASA: top level AVP format
AVP code AVP name Standard Data format Flags

263

Session-id

RFC 6733

UTF8 String

M

264

Origin-Host

RFC 6733

Diameter Identity

M

268

Result-Code

RFC 6733/RFC 4006

Unsigned 32

M

296

Origin-Realm

RFC 6733

Diameter Identity

M