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The transition of the Internet from IPv4 to IPv6 is urgent and inevitable. A series of IPv6 transition solutions have been proposed by the Internet Engineering Task Force; yet most of them have not seen success in real world, and some were even obsoleted. Nowadays IPv6 transition solutions are still continuously being worked out. The major difference among these solutions is the state management,...
This paper introduces a new inter-domain routing scheme based on a centralized routing service: Global Path Service (GPS). This routing service provides alternate inter-AS paths different to ordinary BGP routes. This scheme facilitates diversified inter-AS forwarding paths through GPS-enabled ASes offering their inter-domain transit tunnels (e.g. MPLS). A GPS center concatenates those transit tunnels...
Most existing overlay multicast proposals have assumed that the nodes are cooperative and thus focus on the global topology optimization. However, a unique and important characteristic of overlay nodes is that, as application-layer agents, they can be selfish with their own interests. To achieve better quality-of-service (QoS) or to minimize forwarding overhead, an overlay node can behave selfishly...
Traditional IP multicast in a network domain is likely to imply a huge burden of storage and forwarding for routers and it's hard to support quality of service. The recent proposed application layer multicast is more scalable but increases traffic load and end-to-end delay. In the paper, we make multicast supporting comparable multi-class services on the overlay network comprising only edge routers...
Traditional IP multicast suffers from forwarding state scalability problems as the number of concurrent active multicast groups increases. The problem is exacerbated when provisioning QoS since additional information of resource requirement from members must be kept at routers. In this paper, we firstly consider the comparability between various QoS levels and propose a modularized QoS multicasting...
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