[ Thanks to An Anonymous Reader for
this link. ]
“Among the most fundamental and core pieces of software that can
exist in a network infrastructure is software that can monitor the
network itself.“The market for network and IT monitoring tools is extremely
competitive, with heavyweights, such as IBM Tivoli and HP OpenView
commanding a lot of attention and dollars. In recent years there
has also been an upsurge in open source alternatives, thanks in
part to the success and adoption of tools like Nagios, which are
freely available and accomplish basic network monitoring
tasks…”