Lean IT Service Management ◾ 167
ever-present and changing, and not all are observable, but the ones that are
important are monitored so that observations can be made, and many of
these are actionable. That is, we monitor an activity so we can do something
if thresholds are reached; we monitor so we can identify trends over time; or
we simply monitor because something happened in the past and we want to
make sure it doesn’t happen again.
For this, we use monitoring tools and, as we saw in Chapter 3, the pro-
cesses that accompany monitoring are subject to Lean inquiry. The interplay
between process and tool also is important as the following examples illus-
trate. Alerts set at the wrong thresholds will trigger actions that represent
waste, ...