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Cloud Computing · Intermediate

Sustained Use Discounts (SUD)

Automatic Google Cloud discounts applied to eligible Compute Engine resources that run for a significant portion of the billing month.

Definition

Sustained use discounts apply without any commitment to certain machine series (such as N1 and N2) when they run more than 25 percent of a month, increasing with usage. They do not apply to some series such as E2, or to resources already covered by committed use discounts.

Example

An N2 VM running all month automatically receives a sustained use discount on the invoice.

Exam tip

SUDs are automatic and require no commitment; CUDs require a 1- or 3-year commitment and provide deeper discounts.

Related terms