IMS and ETSI References
For more information about IMS and TISPAN, consult the following specifications:
ETSI ES 283 026 V0.0.7 (2005-10) Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); Resource and Admission Control; Protocol for QoS reservation information exchange between the Service Policy Decision Function (SPDF) and the Access-Resource and Admission Control Function (A-RACF) in the Resource and Protocol specification.
ETSI TS 183 017 V.0.0.8 (2005-10) Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); Resource and Admission Control: DIAMETER protocol for session based policy set-up information exchange between the Application Function (AF) and the Service Policy Decision Function (SPDF); Protocol specification.
ETSI ES 283 034 V0.0.5 (2005-10) Telecommunications and Internet converged Services and Protocols for Advanced Networks (TISPAN); Network Attachment Sub-System (NASS); e4 interface based on the DIAMETER protocol.
Abbreviations
Table 1 identifies abbreviations used in the IMS and ETSI-TISPAN environments.
Table 1: Abbreviations in the IMS and ETSI-TISPAN Environments
Abbreviation | Description |
|---|---|
3GPP | Third-Generation Partnership Project, which developed the IMS specifications. |
A-RACF | Access-resource and admission control function. Provides admission control and network policy assembly. |
AVP | Attribute value pair |
BGF | Border gateway function |
ETSI | European Telecommunications Standards Institute |
FMC | Fixed mobile convergence |
IMS | IP multimedia subsystem |
NGN | Next-generation network |
RACS | Resource and admission control subsystem. Consists of the A-RACF and the SPDF. |
RCEF | Resource control enforcement function |
SPDF | Service policy decision function. The SPDF coordinates the resource reservations requests that it receives from the application function. |
TISPAN | Telecommunications and Internet Converged Services and Protocols for Advanced Networks |