Destination/Source Routing

Document Type Expired Internet-Draft (rtgwg WG)
Authors David Lamparter  , Anton Smirnov 
Last updated 2019-09-11 (latest revision 2019-03-10)
Replaces draft-lamparter-rtgwg-dst-src-routing
Stream Internet Engineering Task Force (IETF)
Intended RFC status (None)
Expired & archived
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Stream WG state WG Document
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IESG IESG state Expired
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This note specifies using packets' source addresses in route lookups as additional qualifier to be used in hop-by-hop routing decisions. This applies to IPv6 [RFC2460] in general with specific considerations for routing protocol left for separate documents. There is nothing precluding similar operation in IPv4, but this is not in scope of this document. Note that destination/source routing, source/destination routing, SADR, source-specific routing, source-sensitive routing, S/D routing and D/S routing are all used synonymously.


David Lamparter (
Anton Smirnov (

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