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With the emergence of multimedia applications that have real constraints, ensuring a satisfying quality of service to mobile users presents a big challenge in heterogeneous wireless networks. In such environment, the asymmetry of the available resources as well as user’s mobility can cause offered QoS degradation. In this paper, we propose the use of the Stream Control Transmission Protocol (SCTP)...
The users wish to communicate through collections of networks using different protocols, rendering service mapping from one network to another with the similar QoS is a complex issue thereby. The heterogeneous networks are collections of communication platforms using different protocols. This heterogeneity implies the need to offer many different services on the market within short time. With the...
As the number of services and users in Internet Protocol Multimedia Subsystem (IMS) keeps increasing, network virtualization seems to be a good alternative for Mobile Virtual Network Operators(MVNOs) in order to provide better services to customers and save cost and time. As a matter of fact, it offers better performances in terms of resource management and automatic allocation. Furthermore, when...
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