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2. High availability - Wikipedia

   en.wikipedia.org/wiki/High_availability

   High availability (HA) is a characteristic of a system that aims to ensure an agreed level of operational performance, usually uptime, for a higher than normal period. [ 1 ] There is now more dependence on these systems as a result of modernization.

3. High availability software - Wikipedia

   en.wikipedia.org/wiki/High_availability_software

   High availability software is measured by its performance when a subsystem fails, its ability to resume service in a state close to the state of the system at the time of the original failure, and its ability to perform other service-affecting tasks (such as software upgrade or configuration changes) in a manner that eliminates or minimizes ...

4. High-availability cluster - Wikipedia

   en.wikipedia.org/wiki/High-availability_cluster

   High-availability clusters (also known as HA clusters, fail-over clusters) are groups of computers that support server applications that can be reliably utilized with a minimum amount of down-time. They operate by using high availability software to harness redundant computers in groups or clusters that provide continued service when system ...

5. Cloud computing - Wikipedia

   en.wikipedia.org/wiki/Cloud_computing

   Gartner defines a hybrid cloud service as a cloud computing service that is composed of some combination of private, public and community cloud services, from different service providers. [64] A hybrid cloud service crosses isolation and provider boundaries so that it cannot be simply put in one category of private, public, or community cloud ...

6. Reliability, availability and serviceability - Wikipedia

   en.wikipedia.org/wiki/Reliability,_availability...

   Reliability, availability and serviceability (RAS), also known as reliability, availability, and maintainability (RAM), is a computer hardware engineering term involving reliability engineering, high availability, and serviceability design. The phrase was originally used by IBM as a term to describe the robustness of their mainframe computers.

7. Amazon S3 - Wikipedia

   en.wikipedia.org/wiki/Amazon_S3

   Amazon Simple Storage Service (S3) is a service offered by Amazon Web Services (AWS) that provides object storage through a web service interface. [ 1 ] [ 2 ] Amazon S3 uses the same scalable storage infrastructure that Amazon.com uses to run its e-commerce network. [ 3 ]