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Media streaming services are becoming extremely popular for end users with mobile devices. Peer-to-peer networking may be the solution to provide efficient streaming services for a large number of concurrent users without infrastructure. The client-server model costs a lot of money to manage and control and client heterogeneity also reduces the overall performance in mobile environments. Peer-to-peer...
The diversity and personal requirements of services has increased the need for a service platform. The web is considered to be a suitable way to deliver data but it has many restrictions. A service overlay network can provide additional functions to integrate and/or converge existing services. This paper proposes a modified DSON architecture to solve these problems. Also, this paper proposes a service...
Limited bandwidth remains a pressing issue for wireless sensor networks (WSNs) due to the half-duplex property of the sensor radio and the broadcast nature of wireless medium. Designing multi-channel MAC protocol attracts the interest of many researchers as a cost effective solution to meet the higher bandwidth demand for the limited bandwidth in WSN. In this paper, we present a scheduled-based multi-channel...
User centric media service is about the user itself becoming the major media producer and distributor, and about exploiting this media created by different citizens at different moments of time to generate a co-created application. In this paper, we propose an architectural model of service overlay networking platform for future user-centric networking. Our platform composes a dynamic service overlay...
In this paper, We propose a resource control mechanism for NGN based home network. Multimedia services such as HD/SD IPTV service and VOD service require an available bandwidth without loss, delay and jitter as well as efficient data transport technologies. In order to support end-to-end QoS, plenty of technology has been introduced mainly to the access and core network. But this trend is moving toward...
With the growing number of service application, need for service platform has appeared. Various solutions were proposed to serve the applications through the existing physical network. Service overlay network is one of the solutions that provide application adaptations and service reliabilities. With this solution, we propose an architecture that composes a service overlay network dynamically to adapt...
Within the NGN architecture, the resource and admission control functions (RACF) act as the arbitrator between service control functions and transport functions for QoS related transport resource control within access and core networks. The decision is based on transport subscription information, SLAs, network policy rules, service priority and transport resource status and utilization information...
In the NGN architecture, the resource and admission control functions (RACF) is aimed at providing real-time application-driven and policy-based transport resource management for a wide range of services and transport technologies. The RACF has two entities; PD-FE (policy decision functional entity) and TRC-FE (transport resource control functional entity). The PD-FE makes the final policy decisions...
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