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API Server
(Apache, mod_python)
Database Server
(PostgreSQL)
Web Server
(Apache)
Boot Server
(Apache)
PostgreSQL
Users
Nodes
XML-RPC/
HTTPS
XML-RPC/
HTTPS
XML-RPC/
HTTPS
XML-RPC/
HTTPS
SSH
HTTP/
HTTPS
HTTP/
HTTPS
MyPLC
Host
System(s)