@misc{rfc9218, series = {Request for Comments}, number = 9218, howpublished = {RFC 9218}, publisher = {RFC Editor}, doi = {10.17487/RFC9218}, url = {https://www.rfc-editor.org/info/rfc9218}, author = {Kazuho Oku and Lucas Pardue}, title = {{Extensible Prioritization Scheme for HTTP}}, pagetotal = 21, year = 2022, month = jun, abstract = {This document describes a scheme that allows an HTTP client to communicate its preferences for how the upstream server prioritizes responses to its requests, and also allows a server to hint to a downstream intermediary how its responses should be prioritized when they are forwarded. This document defines the Priority header field for communicating the initial priority in an HTTP version-independent manner, as well as HTTP/2 and HTTP/3 frames for reprioritizing responses. These share a common format structure that is designed to provide future extensibility.}, }