A new Request for Comments is now available in online RFC libraries.
RFC 8684
Title: TCP Extensions for Multipath Operation
with Multiple Addresses
Author: A. Ford,
C. Raiciu,
M. Handley,
O. Bonaventure,
C. Paasch
Status: Standards Track
Stream: IETF
Date: March 2020
Mailbox: [email protected],
[email protected],
[email protected],
[email protected],
[email protected]
Pages: 68
Obsoletes: RFC 6824
I-D Tag: draft-ietf-mptcp-rfc6824bis-18.txt
URL: https://www.rfc-editor.org/info/rfc8684
DOI: 10.17487/RFC8684
TCP/IP communication is currently restricted to a single path per
connection, yet multiple paths often exist between peers. The
simultaneous use of these multiple paths for a TCP/IP session would
improve resource usage within the network and thus improve user
experience through higher throughput and improved resilience to
network failure.
Multipath TCP provides the ability to simultaneously use multiple
paths between peers. This document presents a set of extensions to
traditional TCP to support multipath operation. The protocol offers
the same type of service to applications as TCP (i.e., a reliable
bytestream), and it provides the components necessary to establish
and use multiple TCP flows across potentially disjoint paths.
This document specifies v1 of Multipath TCP, obsoleting v0 as
specified in RFC 6824, through clarifications and modifications
primarily driven by deployment experience.
This document is a product of the Multipath TCP 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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