Cloud storage is a particular type of software as a service
Most Office productivity suites are backed by some level of free and paid storage
OneDrive is closely integrated with Microsoft Windows and the Microsoft 365 suite
Advantages
automated file synchronization between different devices
allows file sharing
Multiple users can simultaneously access the content to work collaboratively, or they can access it at different times
Edits by each user can be tracked, and review features allow users to comment on and highlight parts of the document
file synchronization is also important within the cloud
Files are often replicated between the datacenters underpinning the cloud to improve access times
E.g., content delivery networks (CDNs) specialize in provisioning media and resources for websites to multiple Internet exchange points (IXPs) where they are close to ISP networks and can be downloaded more quickly by customers
important to replicate data within the datacenter to ensure that it can be provisioned reliably
Storage backing the various XaaS models is offered in cost tiers that represent how quickly it can be replicated to datacenter availability zones and between different geographical areas