As an IT services consultant, hand diagrams were often more effective at getting customer buy-in for technology improvements than written quotes and proposals alone.
Diagrams below illustrated work anticipated for server, email, and firewall upgrades at a Medical Teams non-profit organization. Though simplistic, they made the scope of work clear in everyone's mind.
These diagrams illustrated work anticipated for migrating a NetWare file server, upgrading a GroupWise email server, and adding a new Shorewall firewall server.
Diagrams below illustrated a Police Department's initiative for providing officers in patrol vehicles with secure connections to department servers and the Internet through wireless hotspots strategically placed in public buildings around the city.
Interconnected wireless hotspots located at public services buildings.