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RFC 9569
Title: The Application-Layer Traffic Optimization (ALTO)
Transport Information Publication Service (TIPS)
Author: K. Gao,
R. Schott,
Y. R. Yang,
L. Delwiche,
L. Keller
Status: Standards Track
Stream: IETF
Date: September 2024
Mailbox: [email protected],
[email protected],
[email protected],
[email protected],
[email protected]
Pages: 40
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-alto-new-transport-22.txt
URL: https://www.rfc-editor.org/info/rfc9569
DOI: 10.17487/RFC9569
"Application-Layer Traffic Optimization (ALTO) Protocol" (RFC 7285)
leverages HTTP/1.1 and is designed for the simple, sequential
request-reply use case, in which an ALTO client requests a sequence
of information resources and the server responds with the complete
content of each resource, one at a time.
RFC 8895, which describes ALTO incremental updates using Server-Sent
Events (SSE), defines a multiplexing protocol on top of HTTP/1.x, so
that an ALTO server can incrementally push resource updates to
clients whenever monitored network information resources change,
allowing the clients to monitor multiple resources at the same time.
However, HTTP/2 and later versions already support concurrent,
non-blocking transport of multiple streams in the same HTTP
connection.
To take advantage of newer HTTP features, this document introduces
the ALTO Transport Information Publication Service (TIPS). TIPS uses
an incremental RESTful design to give an ALTO client the new
capability to explicitly and concurrently (in a non-blocking manner)
request (or pull) specific incremental updates using HTTP/2 or
HTTP/3, while still functioning for HTTP/1.1.
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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