Making Multipath TCP robust for stateless webservers

Document Type Expired Internet-Draft (individual)
Authors Christoph Paasch  , Anumita Biswas  , Darren Haas 
Last updated 2016-04-16 (latest revision 2015-10-14)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document proposes a modification of the MPTCP handshake that allows it to work efficiently with stateless servers. We first identify the issues around stateless connection establishment using SYN-cookies. Further, we suggest an extension to Multipath TCP to overcome these issues and discuss alternatives. As a side-effect, the proposed modification to the handshake opens the door to reduce the size of the MP_CAPABLE option in the SYN. This reduces the growing pressure on the TCP-option space in the SYN- segment, giving space for future extensions to TCP.


Christoph Paasch (
Anumita Biswas (
Darren Haas (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)