IMS Essentials

Introduction to the IMS

The IMS within the Overall Network Architecture
- Typical IP-CAN’s
Driving Forces behind the NGN-Hype
- Why should one go for an IMS-based-Solution?
IMS-based Services
- Overview
- Triple Play and Quadruple Play
  - Initial Situation
  - Triple Play
  - Quadruple Play
  - Macro and Micro Mobility
Service Types and Service Enablers
- Conversational Services
- Audiovisual Entertainment Services
- Service Enablers
Service Examples
- See What I See
- Intelligent Address Book (Presence Service)
Realization of Legacy Telephone Services
- IMS-Originating Voice Call – Technical Realization
- IMS-Terminating Voice Call – Technical Realization

The IMS-Network Architecture
- Centralized and Split Approach for the IMS Implementation
  - Centralized Framework and Overall Network Architecture
  - Split Framework and Overall Network Architecture
- Comparison between Centralized and Split Architecture Approaches
- Physical Layouts of IMS-hardware
  - CSCF Cabinet- Front & Rear View
  - Applications Servers and Session Border Controllers
Functional Description of IMS Network Elements
- Typical User Agents of the IMS
- Server Types (generic)
- Special Server Types (generic)
- Operation of Registrars
- Detailed Consideration of SBC and B2BUA
  - Example: VoD for a Mobile Client with limited Access Rates
  - Example: SBC for Traffic Inspection
- Operation of Event Servers
- Generic Servers vs. IMS-specific Servers
Protocols within the IMS
- Control Plane
- User Plane
- Consideration of SIP
  - Scope of SIP
  - Session Setup Example through SIP
- Consideration of SDP
  - The Offer/Answer Model
- Consideration of the DIAMETER Protocol
  IMS-specific Amendments to DIAMETER Protocol
- RTP / RTCP

Architectural Overviev
- Overall Network Design
- Physical Topology Desig
- Customer Premises with WIMAX Acces
- Summary of the Main Components of Network ArchitectureDistribution of IMS-Core Network Entities

v1.2