Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Schematic of a conventional web-service setup. The setup contains four basic elements: (1) a web-server machine, (2) data storage, (3) computational machines connected to the web server via an internal network and (4) client devices communicating with the web server via http or https protocols. (1), (2) and (3) can all be placed on physical machines individually or shared in any combination.
