At Cisco, our partners and clients want ways to track and monitor their Cisco routers, switches, and other such devices. An important avenue of my work as part of the Customer Experience Data Incubation Team is to help track device utilization over time. One such way to think about how device utilization changes over time is to frame it as a time series. In this blog post, I will give a full break down of time series and ARIMA, why it is important, what it is, and how to use it