IMS: A Development and Deployment Perspective by Khalid Al-Begain, Chitra Balakrishna, Luis Angel Galindo,

By Khalid Al-Begain, Chitra Balakrishna, Luis Angel Galindo, David Moro Fernandez

Supplying an holistic method of IMS applied sciences, IMS: A improvement and Deployment point of view explores provider structure for improvement and supply of IMS services.  drawing close IMS from the viewpoint of the consumer and the merchant it examines either the present country of deployment and destiny tendencies. The ebook bargains a practical view of IMS deployment to operators and repair companies, giving functional examples, software situations and enterprise types. It additionally offers IMS deployment techniques in response to real-life deployment records from a reside IMS try out mattress hooked up to an operator community and proof-of-concept purposes together with inter-operability trials and results.Focusing on IMS capability by way of provider construction, provider composition and repair provision the publication discusses the power of IMS to behave not just as a provider supply framework, but additionally as a provider integration framework. It offers the potential way forward for IMS when it comes to convergence with net companies, together with discussions approximately integration with internet applied sciences together with the WIMS 2.0 initiative. The publication permits a greater realizing of the way internet applied sciences can supplement the IMS carrier structure and pioneer the post-IMS development and success.Presents a singular service-oriented method of IMS providers and functions from a deployment perspective Places IMS within the context of the present telecom setting offering enterprise versions via WIMS 2.0 initiativePredicts the traits and capability destiny for the IMS evolutionProvides a technical beginning to IMS ideas and architectureGives examples and ideas to the demanding situations of carrier production and implementation and analyses deployment hurdles and interoperability trialsDescribes traits of convergence according to IMS and internet applied sciences

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IMS is therefore an intelligent network for intelligent endpoints. 4 IMS – Walled Garden? IMS was from the beginning designed to permit end-to-end SIP signalling between IMS and non-IMS endpoints, and if the non-IMS endpoint does not support SIP, the IMS service architecture permits an easy integration of protocol gateways. 3GPP always intended to keep IMS open to non-IMS networks, and more especially the Internet. Creating new walled gardens is not a strategy that will be sustainable for operators in the years to come.

These interactions may relate to session control, but not necessarily. 3 Intelligent Core versus Dumb Edge Among all the benefits the IMS core network can provide to its application layer, one of the most important is its transparency. An application should only care about what the IMS architecture can provide to it, not about the sophisticated details of how this is done. g. the presence information of this user). The IETF initially defined SIP as a protocol permitting intelligent endpoints (devices or servers) to be implemented and making use of a relatively simple network.

Service application layer. This layer comprises the service platforms containing the service logic that implements the network side of value-added services and applications. The service containers might be in-house owned by the operator or run by third parties. The access from these platforms to service assets of the service delivery domain of the operator can be via the service integration layer or due to the nature of services, performance or cost reasons, and service platforms may access directly to the service exposure layer or to the enabling layer.

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