As public clouds make up an ever-greater slice of the enterprise computing pie, companies are demanding solutions that help them gain control over spiraling costs. Major cloud providers, including Amazon Web Services (AWS), Microsoft Azure and Google Cloud, have responded by offering customers ways to realize cost savings by committing to a certain level of consumption. Amazon calls this Reserved Instances (RI), while Microsoft uses the term Azure Reserved VM Instances, and Google Cloud uses a similar concept called Committed Use Discounts (CUD). In this guide, you’ll learn all about reserved instances, and how they can help save your business money.