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2. High availability - Wikipedia

   en.wikipedia.org/wiki/High_availability

   High availability is a property of network resilience, the ability to "provide and maintain an acceptable level of service in the face of faults and challenges to normal operation." [ 3 ] Threats and challenges for services can range from simple misconfiguration over large scale natural disasters to targeted attacks. [ 4 ]

3. High availability software - Wikipedia

   en.wikipedia.org/wiki/High_availability_software

   High availability software should enable scale-out without interrupting service. Enable active/standby communication (notably Checkpointing): Active subsystems need to communicate to standby subsystems to ensure that the standby is ready to take over where the active left off. High Availability Software can provide communications abstractions ...

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. Dynamic infrastructure - Wikipedia

   en.wikipedia.org/wiki/Dynamic_Infrastructure

   Dynamic infrastructures also provide the fundamental business continuity and high availability requirements to facilitate cloud or grid computing. For networking companies, infrastructure 2.0 refers to the ability of networks to keep up with the movement and scale requirements of new enterprise IT initiatives, especially virtualization and ...

6. Continuous availability - Wikipedia

   en.wikipedia.org/wiki/Continuous_Availability

   The terms high availability, continuous operation, and continuous availability are generally used to express how available a system is. [3] [4] The following is a definition of each of these terms. High availability refers to the ability to avoid unplanned outages by eliminating single points of failure. This is a measure of the reliability of ...

7. Cloud communications - Wikipedia

   en.wikipedia.org/wiki/Cloud_communications

   Cloud communications is attractive because the cloud can now become a platform for voice, data and video. Most hosted services have been built around voice, and are usually referred to as hosted VoIP. The cloud communications environment serves as a platform upon which all these modes can seamlessly work as well as integrate. [1]