By Mark Wuthnow
IP Multimedia Subsystem (IMS) expertise, which merges the net with interactive telecommunications, represents the the following and now for today’s packet-switched networks. accordingly, somebody operating with or round those converging fields must own a primary realizing of IMS and the way this expertise is poised to alter the way in which new functions are designed and deployed.
IMS: a brand new version for mixing purposes is going past such a lot references during this box. instead of provide the standard rationalization of the normal itself, the authors tackle how IMS-based providers can be deployed in an operator’s community. Leveraging the interior wisdom won from years of operating on the vanguard of IMS learn, the authors delineate the appliance layers and the purposes that may be applied utilizing an IMS community. For these surprising with IMS, they supply an summary of its key parts and the signaling criteria used for the implementation of an end-to-end IMS provider.
Significant recommendations are conveyed via real-life vignettes that describe how finish clients may well really use interactive IMS purposes during their day. This procedure mimics the best way an operator’s advertising association could pass approximately construction a company case for IMS software deployment. whereas technical adequate to satisfy the desires of engineers, this process will drastically support advertising and marketing, revenues, and managerial pros with gaining a easy realizing of IMS, in addition to a feeling of the varied functions riding the sector forward.
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Additional info for IMS: A New Model for Blending Applications
The TIA specification is described in ANSI-41 (formerly known as IS-41). 02. The vendor community followed suit with a product commonly referred to as a Stand-Alone Home Location Register (SHLR). Since the SHLR was defined to only process signaling messages, a different approach could be taken in its basic design. Vendors started offering product on more general-purpose computer hardware rather than traditional switching hardware. This allowed for more economy of scale in the basic cost of the platform, plus it took advantage of the fact that the computer industry was more aligned with riding the technology curve of Moore’s law than was the telecom switching industry at the time.
The IMS architecture follows a commonly used three-layer architecture structure. The lower layer, referred to as the bearer plane (or sometimes the transport plane), is made up of the physical resources necessary for a connection to be established and for the payload (either voice or data) to be carried from the origination point to the termination point. 1 IMS layered structure. use the network and how to route a call or data path (also referred to as setting up a session). 1). Although IMS cannot be realistically deployed by a network operator who expects to make a return on their investment without all three layers working together as a unit, it is the application plane with its suite of revenue-generating end-user services that will determine whether deployment of an IMS network is successful or not.
The same benefits that were seen with the SHLR architecture in the previous section can also be applied with the Release 4 architecture. The different components can be independently scaled which means CAPEX dollars can be allocated to specific growth needs versus being diverted to grow capacity in areas not needed. Operators are also starting to have more purchasing flexibility by having these standardized switch components. The telecommunication market has become more competitive as the vendor community does not need the tremendous resources to produce an entire new monolithic switch but, instead, they can chose to focus their resources on smaller individual components.
IMS: A New Model for Blending Applications by Mark Wuthnow