Transport parameters for 0-RTT connections

The information below is for an old version of the document
Document Type Expired Internet-Draft (individual)
Authors Nicolas Kuhn  , Stephan Emile  , Gorry Fairhurst  , Tom Jones 
Last updated 2020-11-19 (latest revision 2020-05-18)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


0-RTT mechanisms reduce the time it takes for the first bytes of application data to be processed in a transport connection and can greatly reduce connection latency during setup. The 0-RTT transport features described by quic-transport help clients establish secure connections with a minimal number of round-trips. This document describes a generic method to exchange path parameters relating to transport. The additional transport parameters can help a connection that continues after an interruption or restarts by sharing connection properties. They can be used to increase the performance for a path with large RTT.


Nicolas Kuhn (
Stephan Emile (
Gorry Fairhurst (
Tom Jones (

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