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Recently, Wireless Mesh Networks (WMNs) have attracted much of interest from both academia and industry, due to their potential to provide an alternative broadband wireless Internet connectivity. However, due to different reasons such as multi-hop forwarding and the dynamic wireless link characteristics, the performance of current WMNs is rather low when clients are soliciting Web contents. Due to...
Content replication and placement is an effective technique to improve data availability and enhancing network performance. This area received attention in Content Delivery Networks (CDNs), but is less explored by the research community in Wireless Mesh Networks (WMNs). A number of replica placement algorithms were specifically designed for CDNs, but they do not consider the special features of wireless...
Content replication and placement is an area that has been well explored in the scope of Content Delivery Networks (CDNs), but has received relatively less attention from the research community when it comes to Wireless Mesh Networks (WMNs). There are a number of Replica Placement Algorithms (RPAs) that are specifically designed for CDNs. But they do not consider the special features of wireless networks...
Loss synchronisation between concurrent TCP flows could have significant impact on the performance of the Internet. Loss synchronisation could contribute to the unstable behaviour of the Internet and cause long convergence times for some of the newly developed high-performance TCP variants. Loss synchronisation has been frequently reported in simulation-based studies. However, it is not clear about...
Mobile nodes moving across heterogenous access networks need to perform mobile IP handovers to maintain continuity of Internet access. The IEEE 802.21 framework was defined to support such handovers by providing link layer intelligence and media independent handover control facilities to the user entities. This framework, however, does not provide all controls necessary to perform seamless handovers...
This paper presents a network adapted selective frame-dropping algorithm for streaming media over the Internet, which aims to address the problem of random packet losses resulted from network bandwidth mismatching. The basic idea is to first determine a sending window for each GOP according to its rendering time interval, and then selectively drop some frames with low priority to ensure that other...
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