Quick-Start for TCP and IP

Metadata

Publisher: IETF
Doc Type: Experimental
Pages: 82
Abstract: This document specifies an optional Quick-Start mechanism for transport protocols, in cooperation with routers, to determine an allowed sending rate at the start and, at times, in the middle of a data transfer (e.g., after an idle period). While Quick-Start is designed to be used by a range of transport protocols, in this document we only specify its use with TCP. Quick-Start is designed to allow connections to use higher sending rates when there is significant unused bandwidth along the path, and the sender and all of the routers along the path approve the Quick-Start Request. This document describes many paths where Quick-Start Requests would not be approved. These paths include all paths containing routers, IP tunnels, MPLS paths, and the like that do not support Quick- Start. These paths also include paths with routers or middleboxes that drop packets containing IP options. Quick-Start Requests could be difficult to approve over paths that include multi-access layer- two networks. This document also describes environments where the Quick-Start process could fail with false positives, with the sender incorrectly assuming that the Quick-Start Request had been approved by all of the routers along the path. As a result of these concerns, and as a result of the difficulties and seeming absence of motivation for routers, such as core routers to deploy Quick-Start, Quick-Start is being proposed as a mechanism that could be of use in controlled environments, and not as a mechanism that would be intended or appropriate for ubiquitous deployment in the global Internet. This memo defines an Experimental Protocol for the Internet community.
Publication Date: 2007-01-01
Status Note: Experimental
DOI: 10.17487/RFC4782
Link: https://doi.org/10.17487/RFC4782
Author(s): Sally Floyd
Mark Allman
Amit Jain
Pasi Sarolahti

Latest version of IETF RFC 4782

Document Versions — IETF RFC 4782

▶ IETF RFC 4782 (2007-01-01)

THIS DOC [ACTIVE] [LATEST VERSION]

Normative Reference(s)

IETF RFC 793 [Superseded*]
IETF RFC 1191 [Active*]
IETF RFC 2119 [Active*]
IETF RFC 2460 [Superseded*]
IETF RFC 2581 [Superseded*]
IETF RFC 3168 [Active*]
IETF RFC 3390 [Active*]
IETF RFC 3742 [Active*]

Bibliographic Reference(s)

NIST FIPS 180-1 [Withdrawn]
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Dina Katabi, Mark Handley, and Charles Rohrs, Internet Congestion Control for Future High Bandwidth-Delay Product Environments. ACM Sigcomm 2002, August 2002. < http://ana.lcs.mit.edu/dina/XCP/ >. EXTERNAL
Ruoming Pang, Mark Allman, Mike Bennett, Jason Lee, Vern Paxson, Brian Tierney. A First Look at Modern Enterprise Traffic. ACM SIGCOMM/USENIX Internet Measurement Conference, October 2005. EXTERNAL
A. Venkataramani, R. Kokku, and M. Dahlin. TCP Nice: A Mechanism for Background Transfers. OSDI 2002. EXTERNAL
Alberto Medina, Mark Allman, and Sally Floyd. Measuring the Evolution of Transport Protocols in the Internet. Computer Communications Review, April 2005. EXTERNAL
Mathis, M. and J. Heffner, "Packetization Layer Path MTU Discovery", Work in Progress, December 2006. EXTERNAL
Y. Zhang, N. Duffield, V. Paxson, and S. Shenker, On the Constancy of Internet Path Properties, Proc. ACM SIGCOMM Internet Measurement Workshop, November 2001. EXTERNAL
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Manish Jain, Constantinos Dovrolis, End-to-End Available Bandwidth: Measurement Methodology, Dynamics, and Relation with TCP Throughput, SIGCOMM 2002. EXTERNAL
Briscoe, B., "Review: Quick-Start for TCP and IP", < http://www.cs.ucl.ac.uk/staff/B.Briscoe/pubs.html >, November 2005. EXTERNAL
M. Allman, C. Hayes and S. Ostermann. An evaluation of TCP with Larger Initial Windows. ACM Computer Communication Review, July 1998. EXTERNAL
Guohan Lu, Nonce in TCP Quick Start, September 2005. < http://www.net-glyph.org/~lgh/nonce-usage.pdf >. EXTERNAL
Michael Welzl: PTP: Better Feedback for Adaptive Distributed Multimedia Applications on the Internet, IPCCC 2000 (19th IEEE International Performance, Computing, And Communications Conference), Phoenix, Arizona, USA, 20-22 February 2000. < http://www.welzl.at/research/publications/ >. EXTERNAL
Craig Partridge, Dennis Rockwell, Mark Allman, Rajesh Krishnan, James P.G. Sterbenz. A Swifter Start for TCP. Technical Report No. 8339, BBN Technologies, March 2002. < http://www.icir.org/mallman/papers/ >. EXTERNAL
Rajesh Krishnan, James Sterbenz, Wesley Eddy, Craig Partridge, Mark Allman. Explicit Transport Error Notification (ETEN) for Error-Prone Wireless and Satellite Networks. Computer Networks, 46(3), October 2004. EXTERNAL
Y. Zhang, L. Qiu, and S. Keshav, Speeding Up Short Data Transfers: Theory, Architectural Support, and Simulation Results, NOSSDAV 2000, June 2000. EXTERNAL
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Pasi Sarolahti, Mark Allman, and Sally Floyd. Determining an Appropriate Sending Rate Over an Underutilized Network Path. February 2006. < http://www.icir.org/floyd/quickstart.html >. EXTERNAL
Mattia Rossi and Michael Welzl, On the Impact of IP Option Processing - Part 2, Preprint-Reihe des Fachbereichs Mathematik - Informatik, No. 26, Institute of Computer Science, University of Innsbruck, Austria, July 2004. EXTERNAL
Srikanth Sundarrajan and John Heidemann. Study of TCP Quick Start with NS-2. Class Project, December 2002. Not publicly available; citation for EXTERNAL
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P. Hoffman, email, October 2005. Citation for EXTERNAL
IETF RFC 792 [Active*]
IETF RFC 1321 [Active*]
IETF RFC 1812 [Active*]
IETF RFC 2003 [Active*]
IETF RFC 2113 [Active*]
IETF RFC 2140 [Superseded*]
IETF RFC 2205 [Active*]
IETF RFC 2409 [Superseded*]
IETF RFC 2415 [Active*]
IETF RFC 2488 [Active*]
IETF RFC 2661 [Active*]
IETF RFC 2784 [Active*]
IETF RFC 2960 [Superseded*]
IETF RFC 3031 [Active*]
IETF RFC 3124 [Active*]
IETF RFC 3234 [Active*]
IETF RFC 3344 [Superseded*]
IETF RFC 3360 [Active*]
IETF RFC 3649 [Active*]
IETF RFC 3662 [Superseded*]
IETF RFC 3697 [Superseded*]
IETF RFC 3775 [Superseded*]
IETF RFC 3819 [Active*]
IETF RFC 3948 [Active*]
IETF RFC 4301 [Active, Amended*]
IETF RFC 4302 [Active*]
IETF RFC 4306 [Superseded*]
IETF RFC 4340 [Active*]
IETF RFC 4341 [Active*]
IETF RFC 4443 [Active*]

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Referenced By

IETF RFC 5033 [Superseded*]
IETF RFC 5166 [Active*]
IETF RFC 5783 [Active*]
IETF RFC 6077 [Active*]
IETF RFC 6928 [Active*]
IETF RFC 7414 [Active*]