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In information society based on the Internet, demands for high-capacity multimedia services are always increasing. However, it is not possible to offer users satisfactory services, because of lower transmission rate and the limitation of the distance through access networks. In order to solve limitation of transmission rate through access networks and to guarantee Quality-of-Service, it is proposed...
The satisfaction level of femtocell users depends on the availability of requested bandwidth. But, the xDSL line that can be used for the backhauling of femtocell traffic cannot always provide sufficient bandwidth due to the inequality between the xDSL capacity and demanded bandwidth of home applications, like IPTV, PC, Wi-Fi, and others. A service level agreement (SLA) between xDSL and the femtocell...
Bandwidth allocation is a fundamental problem in communication networks. With current network moving towards the future Internet model, the problem is further intensified as network traffic demanding far from exceeds network bandwidth capability. Maintaining a certain user satisfaction degree therefore becomes a challenge research topic. In this paper, we deal with the problem by proposing BASMIN,...
This article discusses a network planning method in a QoS-enabled IP network such as Broadband convergence Network (BcN). Since IP based networks have been developed to transport best-effort data traffic, the introduction of multi-service component in BcN requires fundamental modifications in capacity planning or network dimensioning. In this article, we present the key issues of the capacity planning...
This paper deals with Web services-based topology management mechanism in centralized network. We verify the realization of the proposed mechanism by implementing topology management system and show the most suitable development environment by measuring and comparing the performance of bandwidth usage and round-trip delay.
Presence services allow individuals to interact with other people and to participate in new business opportunities such as on-line gaming, address book service, public chat, etc. Hence, we currently see an increased interest from presence service developers and providers in NGN. In this paper we propose a distributed service architecture and middleware platform to cope with the problems such as service...
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