Defines the process of operating a solution, how the procedures are implemented and the rules for operating it. Source: ISA2 – EIA Action The following implementation is an example on how this specific Architecture Building Block (ABB) can be instantiated as a Solution Building Block (SBB): Apache HTTP Server documentation Apache HTTP Server Version 2.4 Documentation contains pages with operational procedures, like starting the server, controlling the access, reverse proxy setup, content caching, etc. http://httpd.apache.org/docs/2.4/