Networking

Secure DVR Protocol Using Factual Correctness

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Executive Summary

The routing protocols in use today operate on implicit trust among the different routing elements. Specifically, the Distance Vector Routing (DVR) protocols compute updates and routing tables in a distributed manner, and consequently fail to ensure the factual correctness of the routing updates, which is very critical for secure routing. The authors propose a Neighbor Update Propagation (NUP) model to ensure factual correctness and detect malicious activity by any subverted router. They also propose a secure DVR protocol based on this model using simple cryptographic primitives, and with minimal operational overhead.

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