SACK-IMMEDIATELY Extension for the Stream Control Transmission Protocol
RFC 7053, “SACK-IMMEDIATELY Extension for the Stream Control Transmission Protocol”, is a Proposed Standard document published in November 2013 by M. Tuexen, I. Ruengeler, R. Stewart. It updates RFC 4960. It has been obsoleted by RFC 9260 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.
Abstract
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.
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
The canonical text of RFC 7053 is hosted at rfc-editor.org. Available in TXT,HTML.
- RFC 7052 Locator/ID Separation Protocol MIB
- RFC 7054 Addressing Requirements and Design Considerations for Per-Interface Maintenance Entity Group Intermediate Points
- RFC 7051 Analysis of Solution Proposals for Hosts to Learn NAT64 Prefix
- RFC 7055 A GSS-API Mechanism for the Extensible Authentication Protocol
- RFC 7050 Discovery of the IPv6 Prefix Used for IPv6 Address Synthesis
- RFC 7056 Name Attributes for the GSS-API Extensible Authentication Protocol Mechanism
- RFC 7049 Concise Binary Object Representation
- RFC 7057 Update to the Extensible Authentication Protocol Applicability Statement for Application Bridging for Federated Access Beyond Web