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Source-sensitive routing

Abstract : Source-sensitive (or source address-dependent) routing is a routing technique where routing decisions depend on both the source and the destination address of a packet. Source-sensitive routing solves some difficult problems related to multihoming in some topologies, and is therefore a useful addition to the multihoming toolbox. In this paper, we describe the semantics of source-sensitive packet forwarding, and describe our implementation of a source-sensitive extension to the Babel routing protocol --- to our knowledge, the first complete implementation of source-sensitive routing ---, including a disambiguation algorithm that makes our implementation work over standard networking APIs. We further discuss interoperability between ordinary next-hop and source-sensitive routing. Our implementation has seen a moderate amount of deployment, notably as a testbed for the IETF Homenet working group.
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Contributor : Matthieu Boutier <>
Submitted on : Thursday, November 20, 2014 - 5:00:48 PM
Last modification on : Thursday, October 1, 2020 - 9:33:13 AM
Long-term archiving on: : Friday, April 14, 2017 - 8:19:03 PM


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  • HAL Id : hal-00947234, version 2
  • ARXIV : 1403.0445


Matthieu Boutier, Juliusz Chroboczek. Source-sensitive routing. 2014. ⟨hal-00947234v2⟩



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