Sign in
Version 5.13.0, 2015-03-25
Report a bug

TCP Fast Open

Document type: Replaced Internet-Draft (individual)
Document stream: No stream defined
Last updated: 2012-04-19 (latest revision 2011-12-08)
Intended RFC status: Unknown
Other versions: (expired, archived): plain text, pdf, html

Stream State:No stream defined
Document shepherd: No shepherd assigned

IESG State: Replaced by draft-ietf-tcpm-fastopen
Responsible AD: (None)
Send notices to: No addresses provided

This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found here:


TCP Fast Open (TFO) allows data to be carried in the SYN and SYN-ACK packets and consumed by the receiving end during the initial connection handshake, thus providing a saving of up to one full round trip time (RTT) compared to standard TCP requiring a three-way handshake (3WHS) to complete before data can be exchanged. Terminology


Yuchung Cheng <>
Sivasankar Radhakrishnan <>
Arvind Jain <>
Jerry Chu <>

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