Business Strategies for the Next-Generation Network by Nigel Seel

By Nigel Seel

Vendors and repair companies have united round the suggestion of the Next-Generation community (NGN). even though leveraging a large basket of web applied sciences, the NGN isn't really being deliberate because the next-generation net. In its goal and structure, it really is extra properly defined as Broadband-ISDN free up 2.0. The NGN is difficult to appreciate since it weaves jointly such a lot of unique concerns: expertise, new forms of product, a brand new form of provider association in addition to adjustments within the enterprise version, worth chain and the form of a converged destiny itself. This booklet provides a unified research of the complicated transformation technique that's happening within the mounted telecoms, cellular telecoms, and broadcast industries and descriptions thoughts for fulfillment.

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Since a collective cutover to IPv6 is not on the cards, any protocol migration to IPv6 is fraught with practical difficulties. The early mover will encounter guaranteed IPv4-IPv6 interworking issues, will gain few advantages from the move, and will contemplate wistfully the many advantages that would have been gained from sticking with IPv4 for the duration. When the IETF designers finalized IPv6 back in 1994, they had added to it many attractive features over IPv4. These included support for end-to-end security via IPsec, support for class-of-service marking via a new Differentiated Services field in the IPv6 header, support for host mobility (mobile IP), support for auto-configuration and, of course, the much larger address field.

The S-CSCF has your service profile. The S-CSCF actually handles the call, bringing in application servers to provide you with value-added services (like the old Intelligent Network), finding the destination terminal, and managing charging. “Now, Anton. Suppose you switched on an IMS phone here in Brussels. Your own network is, of course, out of reach back in your own country, so your phone would have to register via an IMS network here. Let’s say it’s Belgacom’s network, so Belgacom would allocate you a P-CSCF.

Now the soft-switch seems to have vanished, and it’s all IMS. ” he complained. The soup had arrived—something with vegetables and odd bits of meat, smelling vaguely of dishwater. My inner gourmet was easy to overcome as I waved the waiter away. My companions were less picky. As they worked their way through the soup, each according to his own national custom, I seized the chance to help Anton out. “Don’t worry,” I said, “the soft-switch hasn’t disappeared. It’s just been relabeled as a ‘call session control function,’ abbreviated to CSCF.

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