HTTP versioning is part of the HTTP protocol which is at the Application Layer in both the Internet Layer Model and the OSI Layer Model. Educate yourself: http

HTTP versioning is part of the HTTP protocol which is at the Application Layer in both the Internet Layer Model and the OSI Layer Model. Educate yourself: http://en.wikipedia.org/wiki/Hypertext_Transfer_Protocol http://en.wikipedia.org/wiki/Hypertext_Transfer_Protocol