By Mark Wuthnow
IP Multimedia Subsystem (IMS) know-how, which merges the web with interactive telecommunications, represents the the following and now for today’s packet-switched networks. as a result, somebody operating with or round those converging fields must own a basic realizing of IMS and the way this know-how is poised to alter the way in which new functions are designed and deployed.
IMS: a brand new version for mixing functions is going past so much references during this box. instead of supply the standard clarification of the traditional itself, the authors tackle how IMS-based providers could be deployed in an operator’s community. Leveraging the interior wisdom won from years of operating on the vanguard of IMS examine, the authors delineate the appliance layers and the purposes that may be carried out utilizing an IMS community. For these unexpected with IMS, they supply an outline of its key elements and the signaling criteria used for the implementation of an end-to-end IMS carrier.
Significant strategies are conveyed via real-life vignettes that describe how finish clients may truly use interactive IMS functions during their day. This technique mimics the way in which an operator’s advertising association may well move approximately development a company case for IMS software deployment. whereas technical sufficient to fulfill the wishes of engineers, this procedure will vastly support advertising, revenues, and managerial pros with gaining a simple figuring out of IMS, in addition to a feeling of the varied purposes using the sphere forward.
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Extra info for IMS: A New Model for Blending Applications
Sample text
2 Examples of these limited life services could be campaigns around a special sporting event such as the Super Bowl or World Cup. Along with a service delivery framework to support the rollout of new applications, an enabler layer is being defined as part of the overall application layer to provide network-specific information in support of a specific application or applications. An enabler is a function that is performed once in the network, and its information is shared among multiple applications for efficiency reasons, lower capital expense (CAPEX), and the ability to share common information among different applications.
The Session Initiation Protocol (SIP) becomes the new basis for signaling (replacing SS7 MAP). It should be noted that 3GPP Release 5 was only defined to work with IPv6. However, since many carriers had not upgraded their IP network to support IPv6, most IMS vendors built their first product releases to run over IPv4 (although some did include support for IPv6). In 3GPP Release 6, the IMS standard was expanded to allow for either an IPv4 or an IPv6 network. In addition, with the Release 6 standard, IMS is defined to work with any access network as opposed to Release 5, which is defined to work only with a GPRS network.
A social networking function can also be created to allow participants to locate other participants for activities such as jogging or sharing a ride to an event. Of course, all these COI services cannot be maintained by the service provider, because the potential provisioning and updating load could easily overwhelm their staff (think of the Internet analogy). This implies that some sort of a customer selfprovisioning mechanism must be activated. As with applications on the Internet, Introduction ◾ 15 the mobile customer will become more involved in defining and maintaining this next set of viral services.