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| IMS HSS |
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The Home Subscriber Server is a centralized database for IMS, Packet Switched (PS) and Circuit Switched (CS) entities. The Home Subscriber Server (HSS) is a core network entity that plays a very central role in user authentication, authorization and session management.
AdvOSS offers a Home Subscriber Server based on 3GPP specifications. IMS HSS is built with a fully modular approach therefore is easily extensible. IMS HSS has been implemented using the high performance application development framework called AMPS (Asynchronous Middleware for Protocol Servers) that functions asynchronously so consequently HSS works in a smooth non blocking manner.
IMS HSS supports
- 3GPP IMS Cx/Dx and Sh applications (3GPP TS 28.229, 3GPP 28.228, 3GPP TS 29.328)
- Diameter Base Protocol (RFC 3588)
- Subscriber Profiles & Service Profiles
- Extensibility Support for PS core and CS core Interfaces
- High Performance and Scalability due to asynchronous development (AMPS)
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| Main Modules of IMS HSS |
Request Dispatcher
This module receives diameter message from underlying framework and routes it to appropriate application.
Cx / Dx Aplication
This is a 3GPP authentication application that supports IMS AKA authentication scheme ref no.
Sh Application
This application is used by the application server for retrieving and updating user service profile.
DB Interaction Manager
This module manages interaction with the backend data store.
Subscriber Profile and Service Profile Management GUI
Admin interface for subscriber related data. |
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| IMS HSS network diagram |
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Home Subscriber Server
key Feature |
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- Support for 3GPP IMS Cx/DX and Sh applications ( 3GPP TS 28.229, 3GPP 28.228, 3GPP TS 29.328)
- RFC 3588 complaint
- Support of Subscriber Profiles & Service Profiles
- Support for Routing & addressing, Authentication & Ciphering , Location and Service Profiles Data
- Support for Authentication and Key Agreement (AKA)
- Extensibility Support for PS core and CS core Interfaces
- High Performance and Scalability due to asychrounos development paradignm ( AMPS)
- Support of MySQL Database. Support of other RDBMS can be provided upon request
- Supported Platforms: Linux/Unix , Microsoft Windows
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