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Based on the transit behavior, we categorize the Internet backbones into two types, global-transit backbone and partial-transit backbone. Partial-transit backbone represents the majority of R&E (Research & Education) backbones, which is liable to a number of inter-domain routing problems due to its particular characteristics. Through two routing cases in TEIN2 backbone, a typical R&E partial-transit...
We present an Internet-scale network topology information (NTI) service named WIND for localizing P2P traffic. Central to WIND are the two simple ideas: 1) obtaining NTI directly from routing infrastructures, and 2) leveraging existing, widely deployed DNS caches for NTI delivery. WIND fulfills the fidelity, flexibility and scalability requirement of an effective NTI service. WIND is deployed in CERNET...
IP multicast originally works in any source multicast (ASM) that comes with great burden and dynamics on the backbone routers and weakness in inter-domain scalability. It also brought serious security and management problems. In contrast, source-specific multicast (SSM) has been recognized as a simple, scalable and secure method, especially in inter-domain multicast. However, its applicability to...
As the IPv6 networks rapidly deployed, the transition problem has been changed. Because the transition of applications is a steady process with a far longer duration in comparison to the transition of infrastructure, providers cannot give up the duty of serving IPv4 traffics for the time being. On the other hand, operating a dual-stack backbone is highly costing for large-scale deployment of new networks...
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