[1] RFC 7230 - Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing (2016-04-14 01:54:38 +09:00 版) https://tools.ietf.org/html/rfc7230#section-9.1

[5] 203

[2] RFC 7540 - Hypertext Transfer Protocol Version 2 (HTTP/2) (2016-04-13 23:55:13 +09:00 版) https://tools.ietf.org/html/rfc7540#section-10.1

[3] RFC 7540 - Hypertext Transfer Protocol Version 2 (HTTP/2) (2016-04-13 23:55:13 +09:00 版) https://tools.ietf.org/html/rfc7540#section-8.2

The server MUST include a value in the ":authority" pseudo-header field for which the server is authoritative (see Section 10.1). A client MUST treat a PUSH_PROMISE for which the server is not authoritative as a stream error (Section 5.4.2) of type PROTOCOL_ERROR.

[4] RFC 7540 - Hypertext Transfer Protocol Version 2 (HTTP/2) (2016-04-13 23:55:13 +09:00 版) https://tools.ietf.org/html/rfc7540#section-9.1.1

[6] RFC 7838 - HTTP Alternative Services (2016-04-17 23:25:39 +09:00 版) https://tools.ietf.org/html/rfc7838#section-2

Alternative services are
considered authoritative for an origin's resources, in the sense of
[RFC7230], Section 9.1.