A cloud category type reservation provides access to the provisioning services of a cloud service account for a particular vRealize Automation business group. Available cloud reservation types include Amazon, OpenStack, vCloud Air, and vCloud Director.

A reservation is a share of the memory, CPU, networking, and storage resources of one compute resource allocated to a particular vRealize Automation business group.

A business group can have multiple reservations on one endpoint or reservations on multiple endpoints.

The allocation model for a reservation depends on the allocation model in the associated datacenter. Available allocation models are Allocation Pool, Pay As You Go, and reservation pool. For information about allocation models, see thevCloud Director or vCloud Air documentation.

In addition to defining the share of fabric resources allocated to the business group, a reservation can define policies, priorities, and quotas that determine machine placement.