draft-ietf-httpbis-priority-12.txt   draft-ietf-httpbis-priority-latest.txt 
HTTP Working Group K. Oku HTTP Working Group K. Oku
Internet-Draft Fastly Internet-Draft Fastly
Intended status: Standards Track L. Pardue Intended status: Standards Track L. Pardue
Expires: July 22, 2022 Cloudflare Expires: December 23, 2022 Cloudflare
January 18, 2022 June 21, 2022
Extensible Prioritization Scheme for HTTP Extensible Prioritization Scheme for HTTP
draft-ietf-httpbis-priority-12 draft-ietf-httpbis-priority-latest
Abstract Abstract
This document describes a scheme that allows an HTTP client to This document describes a scheme that allows an HTTP client to
communicate its preferences for how the upstream server prioritizes communicate its preferences for how the upstream server prioritizes
responses to its requests, and also allows a server to hint to a responses to its requests, and also allows a server to hint to a
downstream intermediary how its responses should be prioritized when downstream intermediary how its responses should be prioritized when
they are forwarded. This document defines the Priority header field they are forwarded. This document defines the Priority header field
for communicating the initial priority in an HTTP version-independent for communicating the initial priority in an HTTP version-independent
manner, as well as HTTP/2 and HTTP/3 frames for reprioritizing manner, as well as HTTP/2 and HTTP/3 frames for reprioritizing
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This Internet-Draft will expire on July 22, 2022. This Internet-Draft will expire on December 23, 2022.
Copyright Notice Copyright Notice
Copyright (c) 2022 IETF Trust and the persons identified as the Copyright (c) 2022 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
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publication of this document. Please review these documents publication of this document. Please review these documents
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Table 1: Initial Priority Parameters Table 1: Initial Priority Parameters
17. References 17. References
17.1. Normative References 17.1. Normative References
[HTTP] Fielding, R. T., Nottingham, M., and J. Reschke, "HTTP [HTTP] Fielding, R. T., Nottingham, M., and J. Reschke, "HTTP
Semantics", draft-ietf-httpbis-semantics-19 (work in Semantics", draft-ietf-httpbis-semantics-19 (work in
progress), September 2021. progress), September 2021.
[HTTP2] Thomson, M. and C. Benfield, "Hypertext Transfer Protocol [HTTP2] Thomson, M. and C. Benfield, "HTTP/2", draft-ietf-httpbis-
Version 2 (HTTP/2)", draft-ietf-httpbis-http2bis-06 (work http2bis-07 (work in progress), January 2022.
in progress), November 2021.
[HTTP3] Bishop, M., "Hypertext Transfer Protocol Version 3 [HTTP3] Bishop, M., "HTTP/3", draft-ietf-quic-http-34 (work in
(HTTP/3)", draft-ietf-quic-http-34 (work in progress), progress), February 2021.
February 2021.
[QUIC] Iyengar, J., Ed. and M. Thomson, Ed., "QUIC: A UDP-Based [QUIC] Iyengar, J., Ed. and M. Thomson, Ed., "QUIC: A UDP-Based
Multiplexed and Secure Transport", RFC 9000, Multiplexed and Secure Transport", RFC 9000,
DOI 10.17487/RFC9000, May 2021, DOI 10.17487/RFC9000, May 2021,
<https://www.rfc-editor.org/info/rfc9000>. <https://www.rfc-editor.org/info/rfc9000>.
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119, Requirement Levels", BCP 14, RFC 2119,
DOI 10.17487/RFC2119, March 1997, DOI 10.17487/RFC2119, March 1997,
<https://www.rfc-editor.org/info/rfc2119>. <https://www.rfc-editor.org/info/rfc2119>.
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