A new Request for Comments is now available in online RFC libraries. RFC 5681 Title: TCP Congestion Control Author: M. Allman, V. Paxson, E. Blanton Status: Standards Track Date: September 2009 Mailbox: mallman@icir.org, vern@icir.org, eblanton@cs.purdue.edu Pages: 18 Characters: 44339 Obsoletes: RFC2581 I-D Tag: draft-ietf-tcpm-rfc2581bis-07.txt URL: http://www.rfc-editor.org/rfc/rfc5681.txt This document defines TCP's four intertwined congestion control algorithms: slow start, congestion avoidance, fast retransmit, and fast recovery. In addition, the document specifies how TCP should begin transmission after a relatively long idle period, as well as discussing various acknowledgment generation methods. This document obsoletes RFC 2581. [STANDARDS TRACK] This document is a product of the TCP Maintenance and Minor Extensions Working Group of the IETF. This is now a Draft Standard Protocol. STANDARDS TRACK: This document specifies an Internet standards track protocol for the Internet community,and requests discussion and suggestions for improvements. Please refer to the current edition of the Internet Official Protocol Standards (STD 1) for the standardization state and status of this protocol. Distribution of this memo is unlimited. This announcement is sent to the IETF-Announce and rfc-dist lists. To subscribe or unsubscribe, see http://www.ietf.org/mailman/listinfo/ietf-announce http://mailman.rfc-editor.org/mailman/listinfo/rfc-dist For searching the RFC series, see http://www.rfc-editor.org/rfcsearch.html. For downloading RFCs, see http://www.rfc-editor.org/rfc.html. Requests for special distribution should be addressed to either the author of the RFC in question, or to rfc-editor@rfc-editor.org. Unless specifically noted otherwise on the RFC itself, all RFCs are for unlimited distribution. The RFC Editor Team USC/Information Sciences Institute _______________________________________________ IETF-Announce@ietf.org https://www.ietf.org/mailman/listinfo/ietf-announce