
Chapter 1. SAN routing 15
development/test environment, two are used to connect a joint-venture
subsidiary company, and four are used to connect the main production
environment.
The development/test environment does not follow the same change control
disciplines as the production environment. Also, systems and switches can be
upgraded, downgraded, or rebooted on occasion.
The joint-venture subsidiary company is up for sale. The mandate is to provide as
much separation and security as possible between it and the main company, and
the subsidiary. The backup/restore environment is shared between the three
environments.
In summary, we have a requ ...