1. A method for dynamic re-configuration of an industrial control system including production control units interconnected via network units, comprising: determining current configuration and security settings of the industrial control system; proposing changes to a production control unit of the industrial control system; determining, based on the current configuration and security settings and the proposed changes, updated configuration and security settings for the network units of the industrial control system; and dynamically establishing at least one communication path to the production control unit, by activating the updated configuration and security settings for the network units of the industrial control system.