%% You should probably cite rfc7234 instead of this I-D. @techreport{ietf-httpbis-p6-cache-19, number = {draft-ietf-httpbis-p6-cache-19}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-ietf-httpbis-p6-cache/19/}, author = {Roy T. Fielding and Yves Lafon and Mark Nottingham and Julian Reschke}, title = {{HTTP/1.1, part 6: Caching}}, pagetotal = 47, year = 2012, month = mar, day = 12, abstract = {The Hypertext Transfer Protocol (HTTP) is an application-level protocol for distributed, collaborative, hypertext information systems. HTTP has been in use by the World Wide Web global information initiative since 1990. This document is Part 6 of the seven-part specification that defines the protocol referred to as "HTTP/1.1" and, taken together, obsoletes RFC 2616. Part 6 defines requirements on HTTP caches and the associated header fields that control cache behavior or indicate cacheable response messages.}, }