IP Multimedia Subsystem (IMS) Challenges and Opportunities in Multi-Application Environment

IP Multimedia Subsystem (IMS) represents a framework for development, deployment, and operation of various applications for support of any-network, any-device, and service provider usage. IMS consists of standards based technologies, architecture, and network elements that bring telephony type control to Internet based applications.

The long-term promise of IMS is that it will dramatically simplify many operations include key OSS/BSS functions such as provisioning, administration, billing, and others. However, the more near term implementations of IMS fall short of this ultimate vision. Applications are initially deployed in a silo fashion as a prerequisite to a more integrated network realization.

This research evaluates the major challenges in implementing and operating a multi-application IMS environment. The research presents solutions including scenario analysis of different feature/application combinations. This report also addresses the business case for deploying mitigation solutions to enable more streamlined multi-application service environments.

Target Audience:

  • Wireless and fixed network service providers
  • Telecom application developers and content providers
  • IMS and NGN infrastructure and support service providers
  • Managed communication service providers and service bureaus
  • Anyone involved with planning, designing, implementing, or managing IMS-based applications

General Methodology

Mind Commerce Publishing's research methodology encompasses input from a wide variety of sources.

We rely heavily upon our Subject Matter Experts (SME) in terms of their market knowledge, unique perspective, and vision. We utilize SME industry contacts as well as previous customers and participants in our market surveys and interactive interviews.

In addition, we rely upon our extensive internal database, which contains modeling, qualitative analysis, and quantitative data. We review secondary sources and compare to our primary sources to update previous findings (for prior version reports) and/or compile baseline information for technology and market modeling.

We share preliminary models with industry contacts (select previous clients, experts, and thought leaders) to verify the veracity of initial modeling. Prior to final report production (analysis, findings, and conclusions), we engage in an internal review with internal SMEs as well as cross-expertise, senior staff members to challenge results.

We believe that forecasts should be prepared as part of an integrated process which involves both quantitative as well as qualitative factors. We follow the following 3-step process for forecasting.

Forecasting Methodology

Step 1 - Forecasts Input: The inputs for the present and historical revenues are derived from industry players. Financial and other quantitative data for individual sub-market categories are derived from original research and tested with interviews with major industry constituents.

Step 2 - Forecasting of Future Years: Mind Commerce extends forecasts based on a variety of factors including demand drivers as well as supply side data. Key success factors and assumptions are considered.

Step 3 - Validation of Data: The final step is to validate projections, which is accomplished in consultation with both internal and external industry experts, including both topic and regional experts. Adjustments are made to the forecasts based on factors identified throughout this process.

Executive Summary
Introduction to IP Multimedia Subsystem
Introduction to IMS Network Elements
Introduction to SIP
The SIP Session
Market Drivers for IMS Cause Problems/Opportunities
Market Driver: Need for More Revenue and Better Margins
Market Driver: Capital Savings
Market Driver: New Revenue Opportunities
Market Driver: Targeted Offerings and Premium Services
Market and Technology Driver: Operational Cost Savings
Market Driver: Service Creation and Delivery
IMS Applications
IMS Application Trends
Application Implementation and Business Issues
Common Issues
Representative Application Analysis
Multi-Application Environment Issues
Big Issue: Multiple Applications and Single-threaded Resources
The IFC Relationship to the S-CSCF
Big Issue: Feature Interaction Issues
Big Issue: Signaling Load
Multi-Application Environment Opportunities
Solving the Control Problem
Services Capability Interaction Manager
New Services Instruction often introduced Monolithically
New Application Introduction Strategies
Application Evolution Planning
Network Impacts
OSS/BSS Impacts
New Business Opportunities and Challenges
Services Blending Requires Support Infrastructure
VNO Model to Drive New Opportunities/Challenges
Trusted versus Non-Trusted Applications
Multi-application Mediation Solution Business Case
IP Multimedia Subsystem (IMS)
IMS Planes
IMS Network Elements
IMS based Applications
SDP Architecture

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