By Nigel Seel
Companies and repair prone have united round the thought of the Next-Generation community (NGN). even if leveraging a large basket of net applied sciences, the NGN is not being deliberate because the next-generation web. In its goal and structure, it really is extra properly defined as Broadband-ISDN liberate 2.0.
The NGN transition is difficult for either practitioners and observers to appreciate since it weaves jointly a few distinctive strands:
The publication starts off with a evaluation of the mess ups of earlier makes an attempt via companies to retool for the long run. It describes intimately the applied sciences and services helping “new wave’” companies, focusing rather on multimedia interactive prone, television, and Video-on-Demand. the writer appears on the IMS layer and the way it interworks either downwards into the QoS-enabled IP shipping layer and upwards to permit new different types of functions. in spite of the fact that, equivalent awareness is addressed to the company types of avid gamers within the price chain, companies, provider services, broadcasters, and creation businesses.
The writer then examines how vendors have tried to transform themselves as IP businesses alongside the size of individuals, strategies, and IT automation platforms, describing the teachings to be discovered from quite a few mess ups. He identifies extra innovativebusiness types, exploresPeer-to-Peer networking, and studies the clients for the advent of spoken discussion platforms into the carrier provider’s arsenal of applied sciences.
Reviewing intimately the various mess ups and few achievements in provider transition courses, the significant subject of the e-book is the right way to arrange for success. enterprise concepts for the Next-Generation community focuses on transformational company suggestions for incumbent operators, trade operators, and new entrants from the media world.
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Additional resources for Business Strategies for the Next-Generation Network (Informa Telecoms & Media)
Example text
IMS provides common services to: user terminals, network-based application servers, network routers, policy engines, billing systems, and foreign networks for roaming capabilities. It provides for authentication, registration and security. It supports presence and instant messaging, and new services such as Push to Talk over Cellular (PoC). By doing so much, through standard interfaces, the intent of IMS is to remove the need for new services to re-invent these wheels. IMS-powered services should therefore be lighter-weight and be more easily introduced.
The NGN is a layered construction, with most of the novelty at levels higher than IP or optical transport. This goes to the heart of the NGN controversy. Does it fundamentally break the Internet model that has led to so much creativity and innovation over the last decade? Or is it precisely bringing those very innovations to the mass market, and creating a more advanced platform for the next round of innovation? We will encounter this fundamental dichotomy again and again throughout this book, but first we need to examine in detail the NGN layering model itself.
This is conventional circuit-switched GSM voice that is merely being tunneled over the WiFi, DSL, and IP access network as it happens to be there. Ditto for the signaling, which remains ISDN-based. UMA is simply a way to emulate the RAN leg of the connection. However, using UMA as a substitute RAN has a couple of advantages. First, it can be used to set special home tariffs in a precise way to attack fixed operators (where this is a commercial imperative). Second, it can be used to extend the mobile service indoors where the signal is often weak.