MPTCP Connectivity Checks

Document Type Expired Internet-Draft (individual)
Authors Mohamed Boucadair  , Christian Jacquenet 
Last updated 2015-09-05 (latest revision 2015-03-04)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document specifies an extension to minimize the delay induced by the presence of MPTCP-unfriendly nodes in some of the paths selected by a MPTCP endpoint, and which may support the establishment of MPTCP subflows. Concretely, this procedure allows a MPTCP endpoint to assess whether the networks the endpoint connects to are compliant with MPTCP signals or not. The procedure is not enabled for every new MPTCP connection; it is activated upon bootstrap or when a network attachment change occurs (e.g., attach to a new network, discover a new external IP address, etc.).


Mohamed Boucadair (
Christian Jacquenet (

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