. Protocol + Status code + Description
Ex: HTTP/1.1 200 OK
o the first line (or initial line) in the response output the HTTP protocol name/version, the response status code and the reason phrase describing the status code
. Response headers
o The headers are similar to the response headers, containg information about the content of the message body(Content-type, Content-Length) and maybe the date of the reply
. Entity body
o The entity body of the response is the HTML content of the response itself.
Ex: HTTP/1.0 200 OK
Date: Fri, 1 Jun 2006 23:59:59 GMT
Content-Type: text/html
Content-Length: 1354
>Hello there
.
.
Along with the HTTP protocol there are also other standards like: RMI (Remote Method Invocation), IIOP Internet Inter-ORB protocol), IIOPS (Internet Inter-ORB protocol over Secure Sockets Layer (SSL), SOAP Simple Object Access Protocol)