A new Request for Comments is now available in online RFC libraries.
RFC 9240
Title: An Extension for Application-Layer Traffic
Optimization (ALTO): Entity Property Maps
Author: W. Roome,
S. Randriamasy,
Y. Yang,
J. Zhang,
K. Gao
Status: Standards Track
Stream: IETF
Date: July 2022
Mailbox: we...@wdroome.com,
sabine.randriam...@nokia-bell-labs.com,
y...@cs.yale.edu,
jingxuan.n.zh...@gmail.com,
kai...@scu.edu.cn
Pages: 53
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-alto-unified-props-new-24.txt
URL: https://www.rfc-editor.org/info/rfc9240
DOI: 10.17487/RFC9240
This document specifies an extension to the base Application-Layer
Traffic Optimization (ALTO) Protocol that generalizes the concept of
"endpoint properties", which have been tied to IP addresses so far,
to entities defined by a wide set of objects. Further, these
properties are presented as maps, similar to the network and cost
maps in the base ALTO Protocol. While supporting the endpoints and
related Endpoint Property Service defined in RFC 7285, the ALTO
Protocol is extended in two major directions. First, from endpoints
restricted to IP addresses to entities covering a wider and
extensible set of objects; second, from properties for specific
endpoints to entire entity property maps. These extensions introduce
additional features that allow entities and property values to be
specific to a given information resource. This is made possible by a
generic and flexible design of entity and property types.
This document is a product of the Application-Layer Traffic Optimization
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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