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In this paper, we discuss the issues of QoS multicast routing in multi-hop Cognitive Radio (CR) networks. The problem of our concern is: given a CR network and a QoS multicast request, how to set up a multicast connection so that the total bandwidth consumption of the multicast is minimized while the QoS requirements are met. We propose a distributed protocol which uses shortest path tree as the multicast...
Many receivers driven cumulative layered multicast congestion control protocol such as RLM, RLC and FLID-DL used for multimedia application. However, these protocols are suffering with problem of congestion during IGMP leave latency leading to switching between overloading and under loading network state which can't utilize bandwidth so that quality of service gets degraded. To overcome of these problems,...
The convergence of services and technologies has been driven by service and network providers with the aim to develop a unified infrastructure. From the services side, we have multimedia through unicast, multicast and broadcast services. From the technologies side, we have wired and wireless technologies, including unidirectional technologies such as Digital Video Broadcasting (DVB). These trends...
The following topics are dealt with: Ethernet simulation; signal processing theory; wireless communication; communication switching; routing; distributed communication; quality of service; peer-to-peer network; telecommunication security; VoIP; mobile networking; protocols; multimedia communication; multicast communication; network management; and reliability.
Unlike fixed networks such as the Internet, quality of service support in mobile ad hoc networks (MANETs) is challenging. They potentially have less resources than fixed networks. Applications like video-on-demand, video conferencing, demand multicasting in MANETs. For such applications, more criterion are required in order to capture the quality of the links between the nodes. Proposed QoS aware...
DoD migration to Service Oriented Architectures (SOA) enriches warfighter information access and, in so doing, intensifies the need for related real-time applications distributed across large geographic areas with highly mobile users and sensors. Such applications require exchange of critical, time-sensitive data among local as well as distant users across resource constrained networks, and as such...
Broadcast TV distribution over an IP network requires stringent QoS constraints, such as low latency and loss. The main challenge to achieving these QoS objectives is how to design the network to respond to network failures. Streaming content in IPTV is typically delivered to the distribution points on the IP backbone using IP multicast, and in the case being considered, with protocol independent...
This paper proposes a heuristic algorithm to construct a shared-route in multicast routing networks that provide communications between multi-users such as IPTV, remote educations/health, and internet broadcasting. The measures of maximum delay, average delay, estimated delay between nodes are adopted for performance analysis. The performance of algorithm is compared with the optimal solution in which...
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