By Nigel Seel
Vendors and repair services have united round the suggestion of the Next-Generation community (NGN). even if leveraging a vast basket of web applied sciences, the NGN isn't being deliberate because the next-generation net. In its goal and structure, it's extra properly defined as Broadband-ISDN unlock 2.0. The NGN is tough to appreciate since it weaves jointly such a lot of specific concerns: know-how, new sorts of product, a brand new type of service association in addition to alterations within the company version, price chain and the form of a converged destiny itself. This ebook provides a unified research of the advanced transformation method that's occurring within the fastened telecoms, cellular telecoms, and broadcast industries and descriptions thoughts for fulfillment.
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Extra info for Business Strategies for the Next-Generation Network
At some level of abstraction, the current architecture of mobile networks is not too dissimilar to that of the ﬁxed network. 5 shows the case for GSM networks. 5 GSM Network Architecture (voice and data). The main diﬀerences are obviously the mobile handset and mobile Radio Access Network (RAN). The RAN architecture comprises base transceiver stations (BTS) that handle the wireless link and mobile terminal hand-oﬀ, and the base station controllers (BSC) that control BTSs. BTSs and BSCs are collectively named the Base Station Subsystem (BSS).
For years we lived oﬀ the voice revenues from our circuit-switched networks. Then the Internet came along, which we carried on our networks, but we never saw any beneﬁt. Internet access was a cut-price commodity, and all the services were provided by other people at no apparent cost to the user. No wonder we’re in trouble. ” Sebastian sat back, looking rather pleased with himself, as the main course arrived. For a while, we ate in silence, although I couldn’t help noticing Henry’s rather aggressive use of the cutlery.
Ethernet Provider Backbone Bridge/Transport (PBB and PBT) Even MPLS is being challenged. As carriers move to a simpliﬁed and more cost-effective technology stack, the prospects of carrying IP within Ethernet directly over the OTN seem increasingly attractive. Traditional Ethernet has scaling and management problems, because its forwarding model depends on Ethernet switches ﬂooding outbound network links with Ethernet frames where the destination is not known, and then learning which exit port to use in future by noting which port the reply eventually arrives at.