Understanding Next-Generation IP Application Servers: It's All About Sessions:

Understanding Next-Generation IP Application Servers: It's All About Sessions

Product Type: Market Research Report
Published by: Yankee Group
Published: October 2006
Product Code: R388-2288

Description

A New (Old) Application Development and Design Paradigm for CSPs

The application development and delivery practices that enabled a new breed of internet companies to burst on the scene more than 10 years ago are in the early stages of gaining traction within the telecommunications industry today. In the same way that internet companies use distributed computing elements such as databases and web servers to rapidly construct new applications at very low costs, telecom application developers are now starting to adopt similar design methods. This development has given rise to the evolution of available standards-based protocols to address the new application design environment.

Proprietary products are the foundation for most existing media processing applications as they exist today; examples include conferencing, IVR, messaging and prepaid calling card systems. They are most often bound tightly to a specific hardware through interfaces that only support a select few programming languages.

Although valued in the past because of the constraints inherent in legacy circuit-switched systems, this closed architecture is very inflexible and difficult to scale. These limitations ensure a long product development cycle (and associated development costs) and provide little support for building high service availability.

Internet technology-related protocols allow applications to control media resources over a network. Because the protocols use industry standards such as SIP and XML, a wide variety of programming languages or development environment (e.g., Java/J2EE, SIP Servlets, .NET and XML-based service creation environments) may be used to build applications. The control protocols also enable scalable applications to be developed with the high service availability required by service providers.

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