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IMS - What, When and Why?
ARCchart, Aug 2005, Pages: 80
A definitive resource for understanding the Internet Multimedia Subsystem standard: how it works, how it will be implemented and the impact it will have on the fixed and wireless industries.
The Internet Multimedia Subsystem (IMS) is a standard for negotiating connections intended to carry multimedia content over IP (Internet Protocol) networks. The simplicity of this definition belays both the complexity of the standard, and the impact its adoption will have on the telecommunications industry and beyond. By providing a standard communications infrastructure based on the ubiquitous IP transport layer, IMS offers the opportunity to converge voice and data services, as well as video calling and even television. While the standard is proposed and managed by the cellular industry, this report shows that it is the fixed-line and cable TV operators who will be amongst the first to feel the benefits of its adoption.
This report provides a detailed examination of IMS and how the standard is implemented at the network level.
Topics of coverage include:
- The network challenges facing operators today
- The Mobile applications challenges facing operators today
- Evolution of the IMS standard
- Elements of an IMS network
- The role of SIP
- Transitioning to IPv6
- IMS applications usage scenarios
- IMS and Presense
- Security and Roaming in an IMS world
- IMS applications on the handset
Answers and opinions are provided with respect to the following essential questions:
- What benefits does IMS deliver to network operators?
- How will operators transition to a full IMS architecture?
- How will networks transition from IPv4 to IPv6
- Who is best positioned to manage user identities?
- What are the threats facing operators in an all-IP world?
- How will roaming between IMS and non-IMS networks work?
- What will be the impact of IMS on equipment vendors and network operators?
- What new services and business models will IMS facilitate?
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