A new Request for Comments is now available in online RFC libraries. RFC 7053 Title: SACK-IMMEDIATELY Extension for the Stream Control Transmission Protocol Author: M. Tuexen, I. Ruengeler, R. Stewart Status: Standards Track Stream: IETF Date: November 2013 Mailbox: tuexen@fh-muenster.de, i.ruengeler@fh-muenster.de, randall@lakerest.net Pages: 8 Characters: 15773 Updates: RFC4960 I-D Tag: draft-ietf-tsvwg-sctp-sack-immediately-04.txt URL: http://www.rfc-editor.org/rfc/rfc7053.txt This document updates RFC 4960 by defining a method for the sender of a DATA chunk to indicate that the corresponding Selective Acknowledgment (SACK) chunk should be sent back immediately and should not be delayed. It is done by specifying a bit in the DATA chunk header, called the (I)mmediate bit, which can get set by either the Stream Control Transmission Protocol (SCTP) implementation or the application using an SCTP stack. Since unknown flags in chunk headers are ignored by SCTP implementations, this extension does not introduce any interoperability problems. This document is a product of the Transport Area Working Group Working Group of the IETF. This is now a Proposed Standard. 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/search/rfc_search.php 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 Association Management Solutions, LLC