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Source-specific routing

Abstract : Source-specific routing (not to be confused with source routing) is a routing technique where routing decisions depend on both the source and the destination address of a packet. Source-specific routing solves some difficult problems related to multihoming, notably in edge networks, and is therefore a useful addition to the multihoming toolbox. In this paper, we describe the semantics of source-specific packet forwarding, and describe the design and implementation of a source-specific extension to the Babel routing protocol as well as its implementation — to our knowledge, the first complete implementation of a source-specific dynamic routing protocol —, including a disambiguation algorithm that makes our implementation work over widely available networking APIs. We further discuss interoperability between ordinary next-hop and source-specific dynamic routing protocols. Our implementation has seen a moderate amount of deployment, notably as a testbed for the IETF Homenet working group.
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https://hal-univ-paris.archives-ouvertes.fr/hal-00947234
Contributor : Matthieu Boutier <>
Submitted on : Tuesday, March 24, 2015 - 11:00:10 PM
Last modification on : Thursday, October 1, 2020 - 9:33:13 AM

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  • HAL Id : hal-00947234, version 4
  • ARXIV : 1403.0445

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Matthieu Boutier, Juliusz Chroboczek. Source-specific routing. 2015. ⟨hal-00947234v4⟩

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