What term describes the ease or difficulty of transferring data out of a provider's datacenter?

The term that describes the ease or difficulty of transferring data out of a provider's datacenter is "Portability." In the context of cloud computing, data portability refers to the ability to move data from one location to another, especially from one cloud service provider to another, without facing significant barriers or technical challenges.

When considering cloud services, portability becomes an important factor as organizations seek to avoid vendor lock-in, where they are dependent on a single provider for their data and applications. High portability means that organizations can efficiently transfer their data, allowing for greater flexibility in choosing cloud services, managing costs, or migrating to new providers if necessary.

In contrast, terms like accessibility, transference, and flexibility, while related concepts, do not specifically capture the notion of moving data across different systems or providers. Accessibility refers to how easily users can reach and utilize data, transference may imply the act of transferring but does not convey the ease or difficulty aspect, and flexibility generally relates to adaptability in various contexts rather than data movement itself.