A new Request for Comments is now available in online RFC libraries.
RFC 9438
Title: CUBIC for Fast and Long-Distance Networks
Author: L. Xu,
S. Ha,
I. Rhee,
V. Goel,
L. Eggert, Ed.
Status: Standards Track
Stream: IETF
Date: August 2023
Mailbox: [email protected],
[email protected],
[email protected],
[email protected],
[email protected]
Pages: 28
Obsoletes: RFC 8312
Updates: RFC 5681
I-D Tag: draft-ietf-tcpm-rfc8312bis-15.txt
URL: https://www.rfc-editor.org/info/rfc9438
DOI: 10.17487/RFC9438
CUBIC is a standard TCP congestion control algorithm that uses a
cubic function instead of a linear congestion window increase
function to improve scalability and stability over fast and
long-distance networks. CUBIC has been adopted as the default TCP
congestion control algorithm by the Linux, Windows, and Apple stacks.
This document updates the specification of CUBIC to include
algorithmic improvements based on these implementations and recent
academic work. Based on the extensive deployment experience with
CUBIC, this document also moves the specification to the Standards
Track and obsoletes RFC 8312. This document also updates RFC 5681, to
allow for CUBIC's occasionally more aggressive sending behavior.
This document is a product of the TCP Maintenance and Minor Extensions 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 Official
Internet Protocol Standards (https://www.rfc-editor.org/standards) for the
standardization state and status of this protocol. Distribution of this
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