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Named Data Networking (NDN) is a new Internet architecture that replaces today's focus on where — addresses and hosts — with what — the content that users and applications care about. A unique advantage of NDN over IP is the adaptive forwarding plane, which, by observing the performance of Interest/Data exchange, can dynamically select the best performing forwarding path, detect and recover from failures,...
Internet Service Providers design their network with resiliency in mind, having multiple paths towards external IP subnets available at the borders of their network. However, with the current internal Border Gateway Protocol, BGP routers and route reflectors only propagate their (unique) best path over their iBGP sessions. As a result, at the BGP router level, path diversity tends to be poor. Such...
Internet service providers can enforce a fine grained control of interdomain routing by cleverly configuring the Border Gateway Protocol. However, the price to pay for the flexibility of BGP is the lack of convergence guarantees. Network protocol design literature introduced several sufficient conditions that routing policies should satisfy to guarantee convergence. However, to our knowledge, none...
The border gateway protocol (BGP) handles the task of establishing routes between the autonomous systems (ASes) that make up the Internet. It is known that it is possible for a group of ASes to define local BGP policies that lead to global BGP protocol oscillations. We close a long standing open question by showing that, for any network, if two stable routing outcomes exist then persistent BGP route...
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