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The poor scalability is one of the most serious problems restricting the development of the Internet. In the series of solutions, identifier/locator separation technology is a great prospect and has been the mainstream of designs. However, how to design a system to distribute and update identifier-to-locator mapping information effectively in scope of the whole Internet is also a key issue not solved...
This paper defines and evaluates Path Exploration Damping (PED) - a router-level mechanism for reducing the volume of propagation of likely transient update messages within a BGP network and decreasing average time to restore reachability compared to current BGP Update damping practices. PED selectively delays and suppresses the propagation of BGP updates that either lengthen an existing AS Path or...
Border Gateway Protocol (BGP) is the current interdomain routing protocol, which limits each router to using a single best path for each destination prefix even though multiple paths are available. This may not satisfy the diverse requirements of end users. The long convergence delay in BGP may cause serious inefficiency in network resource utilization and vulnerability to route failures. In this...
Aiming to the problem of scalability caused by frequent route updates in current inter-domain routing system, this paper proposes a scalable inter-domain routing update mechanism to restrict the propagating scope of the update, called SIRUM. The autonomous system estimates the probability of that the communications of its neighbors are affected by the update according to the history information of...
We analyzed how reliability, defined as the probability of continuing transmissions on link failures, will be affected by inter-domain multi-path and multi-homing routing when the structure in the future Internet changes. The goal of this project is to find properties for the ideal network structure that maximizes the advantage of multi-path and multi-home routing. We focused on how each end-to-end...
The problem of providing quality of service (QoS) in the Internet stems from the original choice of a datagram packet switching service model for the Internet protocol (IP). Since, in principle, each packet can take any path to the destination, it is impossible to provide any absolute guarantees about service. This paper presents a scheme using traffic engineering techniques and implements policy...
Border Gateway Protocol version 4 (BGP-4) is the routing protocol for inter-domain routing in the Internet. Although BGP-4 is a scalable distributed routing protocol, BGP propagates only the selected best path for a destination to other autonomous systems. This property and long convergence delay in BGP have been known to cause serious inefficiency in network resource utilization and vulnerability...
We present a routing solution which eliminates the inherent path exploration problem of BGP and thereby enhances survivability in multi-domain networks. The path exploration problem is caused by the dependency among paths learned from neighboring domains. We propose to solve this issue by using two domain level disjoint paths. Our work is based on the aggregated representation of transit domains....
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