Watsen Networks This document presents three YANG 1.1 modules as follows. The "iana- http-versions" module defines a YANG "typedef" for HTTP protocol versions. The "ietf-http-client" module defines a YANG "grouping" for configuring a minimal HTTP client. The "ietf-http-server" module defines a "grouping" for configuring a minimal HTTP server. Lastly, the "iana-http-versions" module defines a YANG "typedef" for HTTP protocol versions.