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Status:

INFORMATIONAL

Obsoleted by:

RFC 9438

Authors:

I. Rhee
L. Xu
S. Ha
A. Zimmermann
L. Eggert
R. Scheffenegger

Stream:

IETF

Source:

tcpm (wit)

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DOI:  https://doi.org/10.17487/RFC8312

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Abstract

CUBIC is an extension to the current TCP standards. It differs fromthe current TCP standards only in the congestion control algorithm onthe sender side. In particular, it uses a cubic function instead ofa linear window increase function of the current TCP standards toimprove scalability and stability under fast and long-distancenetworks. CUBIC and its predecessor algorithm have been adopted asdefaults by Linux and have been used for many years. This documentprovides a specification of CUBIC to enable third-partyimplementations and to solicit community feedback throughexperimentation on the performance of CUBIC.

For the definition ofStatus,seeRFC 2026.

For the definition ofStream, seeRFC 8729.