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The convergence of different types of networks into a common data center infrastructure poses a superset challenge on the part of the underlying component technology. IP networks are feature-rich, storage networks are lossless with controlled topologies, and transaction networks are low-latency with low jitter, parallel multicast. A successful converged enhanced Ethernet (CEE) switch should pass the...
As the next generation network gains increasing attention, IPTV has been recognized as an efficient way to provide key IP multimedia services. Compared to conventional TV services, IPTV is sensitive to the IP network characteristics such as packet loss, delay and jittering. In addition, the potential long delay in channel switching is another significant challenge for IPTV systems. In this paper,...
Nowadays, the real practice of network coding in wireline networks is focused on the P2P overlay networks. Although it can help to utilize network resources more efficiently, P2P network coding does not exhibit benefits in terms of the maximum throughput. Our work aims to implement network coding at the IP layer, which is an idea not fundamentally new, but with little real practice because of the...
IPTV delivers television content over an IP infrastructure with the potential to enrich the viewing experience of users by integrating data applications with video delivery. From an engineering perspective, IPTV places both significant steady state and transient demands on network bandwidth. Typical IPTV streaming techniques incur delays to fill the play-out buffer. But, when viewers switch or surf...
This article gives an overview of the current practical approaches under study for a scalable implementation of multicast in layer 2 and 3 VPNs over an IP-MPLS multiservice network. These proposals are based on a well-known technique: the aggregation of traffic into shared trees to manage the forwarding state vs. bandwidth saving trade-off. This sort of traffic engineering mechanism requires methods...
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