Business Strategies for the Next-Generation Network (Informa by Nigel Seel

By Nigel Seel

Companies and repair prone have united round the suggestion of the Next-Generation community (NGN).  even though leveraging a large basket of web applied sciences, the NGN is not being deliberate because the next-generation web. In its goal and structure, it really is extra adequately 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 particular strands:

  • the improvement of a brand new structure and know-how base together with complicated IT automation systems
  • the improvement of a portfolio of ‘new wave’ services and products which exploits the ability of the hot network
  • the layout of a brand new form of association that can make the most of the better degrees of automation within the NGN, and decrease costs
  • and the improvement of a good transition plan that could easily flow operators from their present legacy networks, structures and tactics to the NGN destiny.
  • The publication starts off with a evaluation of the mess ups of past makes an attempt via vendors to retool for the longer term. It describes intimately the applied sciences and functions helping “new wave’” companies, focusing fairly on multimedia interactive providers, television, and Video-on-Demand.  the writer appears to be like on the IMS layer and the way it interworks either downwards into the QoS-enabled IP shipping layer and upwards to allow new forms of purposes. besides the fact that, equivalent awareness is addressed to the company types of avid gamers within the price chain, vendors, carrier prone, broadcasters, and construction businesses.

    The writer then examines how providers have tried to transform themselves as IP businesses alongside the scale of individuals, methods, and IT automation structures, describing the teachings to be discovered from a number of mess ups. He identifies extra innovativebusiness versions, exploresPeer-to-Peer networking, and studies the customers for the advent of spoken discussion structures into the provider provider’s arsenal of applied sciences.

    Reviewing intimately the numerous mess ups and few achievements in service transition courses, the crucial subject matter of the e-book is tips on how to arrange for success. enterprise options for the Next-Generation community focuses on transformational company innovations for incumbent operators, exchange operators, and new entrants from the media world.

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    Extra resources for Business Strategies for the Next-Generation Network (Informa Telecoms & Media)

    Sample text

    Data packets can also be carried within the SDH protocol structure. Originally each data stream had to fit inside an STM-1 level container, but recent developments aimed at keeping SDH current have seen containers “virtually concatenated” together to form an end-to-end link of much higher bandwidth. This new version of SDH sounds like a TV series—SONET/ SDH Next-Generation. The SONET/SDH-NG “virtually concatenation” facility (VCAT) comes with a protocol (LCAS—Link Capacity Adjustment Scheme) to allow capacity to be dynamically adjusted across the network.

    TCP (Transmission Control Protocol) provides a reliable connection for moving files, and HTTP (HyperText Transfer Protocol) is used by browsers, running over TCP, to connect with Web servers and retrieve Web content. However, these protocols are of no use for setting up and managing dynamic voice, video, instant messaging, and data sessions between end users. The Road to IMS As the early experiments with voice over IP evolved into services with significant usage, it was clear that a multimedia signaling protocol was required, analogous to the signaling used in the existing telephone networks (most notably common channel signaling system 7 often loosely referred to as “SS7”).

    Private addressing and NAT resolved the address space problem in practice. „ Despite claims that these engineering hacks would impact on usability, the difficulties have been steadily overcome. Even some of the hardest problems, getting signaling applications for VoIP to work through NAT and firewalls, have now been mostly solved. Skype is a case in point, following the earlier pioneering work in network gaming and peer-to-peer file sharing. There is a purist motivation for IPv6, which looks to get back to a clean and transparent end-to-end Internet model leveraging the larger address space of IPv6.

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