Abstrad-Theuaofmultimediacommunicationsonthepublic network is dawning. Vidwn-Demand WoD) trhk are currently running in a number d countries. 0th-er d c c s , such as Multimedia Confmcing and DistanceLearning, are also being demonstrated.Mass deployment ofthve and other services requires an ongoing increase in available bandwidth. This is the driving fora behind the emergence d broadband telecommunications networks.To accesf Merent services on a heterogeneous network, a common 8cces point for all service users will be needed. A Level 1 Gateway CLIGW) may be in a perfect position to take up this role. Its essential functionality then can be identified as that of a 'white pages' server. Nevertheless, the expected functionality of the broadband network often exceeds this capability.This paper sets out to define the passible LlGW frinc. tionality in a clean, high-level partitioning model for a multimedia communications network.LlGW: its non-mandatory use by subscribers, its serviceindependent conception and operation, its qualities as a unique access point to both service usem and service provide=. These principles should provide secure directions for designing viable ATM-bascd network architectures for tomorrow's oommunity of multimedia customus.
The traditional role of the network operator as connectivity provider is no longer viable. To survive in this hyper-competitive environment, carriers are looking to re-invent themselves as value-added service providers. If they want to prevail in this new market environment telcos must take decisive steps to transform their network, systems, people and processes, leveraging a single, converged, IP-based infrastructure.Die Umgestaltung der Kommunikationsnetze: Treiber, Chancen und Herausforderungen.Die traditionelle Rolle der Netzbetreiber als Anbieter von Kommunikationsverbindungen kann nicht lä nger aufrecht gehalten werden. Um in diesem von extremem Konkurrenzdruck geprä gten Umfeld bestehen zu kö nnen, sind Netzbetreiber bestrebt, sich als Anbieter von Mehrwertdiensten neu zu positionieren. Um sich unter den geä nderten Marktbedingungen durchsetzen zu kö nnen, mü ssen die Kommunikationsanbieter entscheidende Verä nderungen in ihren Netzen und Systemen, bei ihren Mitarbeitern und Prozessen vornehmen. Ein Lö sungsansatz dazu ist der Ü bergang zu einer einheitlichen konvergenten IP-basierten Infrastruktur.1. Why telecom service providers need to transform their business Not since the advent of the Internet has the telecoms industry faced such change. Competition for customer mind-share and walletshare is at an all-time high. Threats are no longer limited to predictable network-based operators but include virtual operators and application providers with network-less assets. High-value services are increasingly sourced from new market players such as Google, Yahoo, eBay, etc., leaving network operators out of the revenue and value-creation mix.As the table below is showing, these new entrants have vastly lower infrastructural and operational costs than service providers who own and maintain networks, and they are often showing more agility in responding to new market trends and end-user requirements.We can conclude that the traditional role of the network operator as connectivity provider is no longer viable. To survive in this hypercompetitive environment, network operators are looking to reinvent themselves as value-added service providers. Therefore, service sophistication and speed of innovation become the foundation for a sustainable business model, and it is without discussion that moving to an all-IP infrastructure is key to agile and cost-effective service creation, deployment and operations: "Transforming the legacy network to support growth assets "
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