Designing your ServiceNow landscape

Both the most and least useful thing you can learn about designing a ServiceNow landscape is that the correct design depends on many factors, including your team’s level of experience, the number of instances at your disposal, and the types of applications and configurations you’ll be building. Fortunately, we’ll look at more practical advice in this section, including the most common scenarios and principles you can use to inform your own design.

Two-instance landscapes

The easiest scenarios are when you have two or three instances with two instances being rare in all but the smallest deployments. In the case of two instances, you’ll use one production instance as production, and the remaining instance will act as both your development and testing instance:

Figure 6.4 – Two-instance landscape design (using update sets)

Customers using only two instances almost always use update sets...