module iana-http-versions {
  yang-version 1.1;
  namespace "urn:ietf:params:xml:ns:yang:iana-http-versions";
  prefix httpv;

  organization
    "Internet Assigned Numbers Authority (IANA)";

  contact
    "Postal: ICANN
             12025 Waterfront Drive, Suite 300
             Los Angeles, CA  90094-2536
             United States of America
     Tel:    +1 310 301 5800
     Email:  iana@iana.org";

  description
    "This module defines enumerations for the HTTP versions
     defined in the 'TLS Application-Layer Protocol Negotiation
     (ALPN) Protocol IDs' sub-registry of the 'Transport Layer
     Security (TLS) Extensions' registry maintained by IANA.

     Copyright (c) 2026 IETF Trust and the persons identified as
     authors of the code. All rights reserved.

     Redistribution and use in source and binary forms, with
     or without modification, is permitted pursuant to, and
     subject to the license terms contained in, the Revised
     BSD License set forth in Section 4.c of the IETF Trust's
     Legal Provisions Relating to IETF Documents
     (https://trustee.ietf.org/license-info).

     The initial version of this YANG module is part of RFC GGGG
     (https://www.rfc-editor.org/info/rfcGGGG); see the RFC
     itself for full legal notices.

     All versions of this module are published by IANA at
     https://www.iana.org/assignments/yang-parameters.";

  revision 2026-02-04 {
    description
      "This initial version of the module was manually created,
       to reflect the 'HTTP' specific contents of the 'TLS
       Application-Layer Protocol Negotiation (ALPN) Protocol
       IDs' registry' (RFC 7301) maintained by IANA.";
    reference
      "RFC 7301: Transport Layer Security (TLS) Application-Layer
                 Protocol Negotiation Extension";
  }

  typedef http-protocol-version {
    type enumeration {
      enum 'HTTP/0.9' {
        description
          "Enumeration for the 'HTTP/0.9' HTTP protocol version.";
        reference
          "RFC 1945: Hypertext Transfer Protocol -- HTTP/1.0";
      }
      enum 'HTTP/1.0' {
        description
          "Enumeration for the 'HTTP/1.0' HTTP protocol version.";
        reference
          "RFC 1945: Hypertext Transfer Protocol -- HTTP/1.0";
      }
      enum 'HTTP/1.1' {
        description
          "Enumeration for the 'HTTP/1.1' HTTP protocol version.";
        reference
          "RFC 9112: HTTP/1.1";
      }
      enum 'HTTP/2 over TLS' {
        description
          "Enumeration for the 'HTTP/2 over TLS' HTTP protocol
           version.";
        reference
          "RFC 9113: HTTP/2";
      }
      enum 'HTTP/2 over TCP' {
        description
          "Enumeration for the 'HTTP/2 over TCP' HTTP protocol
           version.";
        reference
          "RFC 9113: HTTP/2";
      }
      enum 'HTTP/3' {
        description
          "Enumeration for the 'HTTP/3' HTTP protocol version.";
        reference
          "RFC 9114: HTTP/3";
      }
    }
    description
      "An enumeration for HTTP protocol versions.";
  }

}