Services
Basic principles:
- Open architecture
- Distinguish products vs protocols
- Provision the service independently from the server (e.g. mail.company.gr)
- Insist on locating the service in the computing centre
- Protected power
- Cooling and humidity control
- Fire suppression
- Physical security
- Network capacity
- Can have multiple servers for the same service
- Need mechanism for service monitoring
- Expand or organise into one server for each service