!!! Overview
[{$pagename}] is when the [communications] between two or more parties which are [observable|observer] within the [protocol].

[Back-channel Communication] is when the [communications] are NOT [observable|observer] to at least one of the parties within the [protocol].

!! More Information
There might be more information for this subject on one of the following:
[{ReferringPagesPlugin before='*' after='\n' }]