Definition and analysis of a Fixed Mobile Convergent architecture for enterprise VoIP services

Definition and analysis of a Fixed Mobile Convergent architecture for enterprise VoIP services

Joel Penhoat (France Telecom Orange Labs, France), Olivier Le Grand (France Telecom Orange Labs, France), Mikael Salaun (France Telecom Orange Labs, France) and Tayeb Lemlouma (Université de Rennes 1 IRISA, France)
DOI: 10.4018/978-1-60960-563-6.ch010
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Abstract

Fixed Mobile Convergence is an important challenge for telecommunication operators given the heterogeneity of access networks technologies and the variety of terminals. Fixed Mobile Convergence, which introduces the concept ’Being always best connected’, is considered to be the next step in the evolution of telecommunication networks and should increase the operators’ revenues. In order to enforce the concept ’Being always best connected’, this paper presents and analyzes an architecture for enterprises, named ’Business Zone’. After defining the Business Zone, we present its architecture and we analyze its main components while limiting our study to the transport of VoIP flows. Then we present two methods that we have patented: the first method authorizes a VoIP flow to be transmitted according to the available resources in the Business Zone; the second method enhances the decision process during a handover.
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The Architecture Of The Business Zone

Figure 1 presents the architecture of the BZ. In this section, we analyze the major components necessary to transport the VoIP flows. In order to facilitate the proper understanding of the architecture, the analysis looks separately at the IP level and at the Link level.

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