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RFC 9419
Title: Considerations on Application - Network
Collaboration Using Path Signals
Author: J. Arkko,
T. Hardie,
T. Pauly,
M. Kühlewind
Status: Informational
Stream: IAB
Date: July 2026
Mailbox: jari.ar...@ericsson.com,
ted.i...@gmail.com,
tpa...@apple.com,
mirja.kuehlew...@ericsson.com
Pages: 15
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-iab-path-signals-collaboration-03.txt
URL: https://www.rfc-editor.org/info/rfc9419
DOI: 10.17487/RFC9419
This document discusses principles for designing mechanisms that use
or provide path signals and calls for standards action in specific
valuable cases. RFC 8558 describes path signals as messages to or
from on-path elements and points out that visible information will be
used whether or not it is intended as a signal. The principles in
this document are intended as guidance for the design of explicit
path signals, which are encouraged to be authenticated and include a
minimal set of parties to minimize information sharing. These
principles can be achieved through mechanisms like encryption of
information and establishing trust relationships between entities on
a path.
This document is a product of the Internet Architecture Board.
INFORMATIONAL: This memo provides information for the Internet community.
It does not specify an Internet standard of any kind. Distribution of
this memo is unlimited.
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