Figure 7.
Prototype architecture The flow of data is indicated by the arrows between layers. Current components are shown in continuous-lines; future components are in dashed-lines.
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.