In networking, baseline can refer to the standard level of performance ofa certain device or to the normal operating capacity for your whole network. High-quality documentation should include a baseline for network performance, because you and your client need to know what "normal" looks like in order to detect problems beforethey develop into disasters.
A network baseline delimits the amount of available bandwidth available and when. For networks and networked devices, baselines include information about four key components:
Processor
Memory
Hard-disk (or other storage) subsystem
Network adapter or subsystem