@misc{rfc9213,
    series =    {Request for Comments},
    number =    9213,
    howpublished =  {RFC 9213},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC9213},
    url =       {https://www.rfc-editor.org/info/rfc9213},
    author =    {Stephen Ludin and Mark Nottingham and Yuchen Wu},
    title =     {{Targeted HTTP Cache Control}},
    pagetotal = 8,
    year =      2022,
    month =     jun,
    abstract =  {This specification defines a convention for HTTP response header fields that allow cache directives to be targeted at specific caches or classes of caches. It also defines one such header field, the CDN-Cache-Control response header field, which is targeted at content delivery network (CDN) caches.},
}