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The term "failover", although probably in use by engineers much earlier, can be found in a 1962 declassified NASA report. [2] The term "switchover" can be found in the 1950s [3] when describing '"Hot" and "Cold" Standby Systems', with the current meaning of immediate switchover to a running system (hot) and delayed switchover to a system that needs starting (cold).
N+M — In cases where a single cluster is managing many services, having only one dedicated failover node might not offer sufficient redundancy. In such cases, more than one (M) standby servers are included and available. The number of standby servers is a tradeoff between cost and reliability requirements.
Shadow Copy (also known as Volume Snapshot Service, [1] Volume Shadow Copy Service [2] or VSS [2]) is a technology included in Microsoft Windows that can create backup copies or snapshots of computer files or volumes, even when they are in use.
Release Candidate 2 (RC2) (built on October 3, 2006, with a build number of 5744.16384), was released to CPP members, TAP testers, MSDN/Technet subscribers, and other technical beta testers on Friday, October 6, 2006, and was available for download until October 9 in preparation for the final release of Windows Vista. Because of an aggressive ...
Windows Vista includes a specialized QoS API called qWave (Quality Windows Audio/Video Experience), [7] which is a pre-configured quality of service module for time dependent multimedia data, such as audio or video streams. qWave uses different packet priority schemes for real-time flows (such as multimedia packets) and best-effort flows (such ...
The Common Address Redundancy Protocol or CARP is a computer networking protocol which allows multiple hosts on the same local area network to share a set of IP addresses.Its primary purpose is to provide failover redundancy, especially when used with firewalls and routers.
Many Americans continue to rack up debt, including by taking on car loans they can't afford. Nationwide, auto loan debt reached nearly $1.6 trillion in the third quarter of 2023, a $71 billion...
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] ...