UII UPDATE 87 | Q1 2021
Intelligence Update

Network problems causing ever more outages

Power failures have always been one of the top causes of serious IT service outages. The loss of power to a data center can be devastating, and its consequences have fully justified the huge expense and effort that go into preventing such events.

But in recent years, other causes are catching up, with networking issues now emerging as one of the more common — if not the most common — causes of downtime. In our most recent survey of nearly 300 data center and IT service operators, network issues were cited as the most common reason for any IT service outage — more common even than power problems (see Figure 1).

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