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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).
Radio Data System (RDS) is a communications protocol standard for embedding small amounts of digital information in conventional FM radio broadcasts. RDS standardizes several types of information transmitted, including time , station identification and program information.
2 node High Availability Cluster network diagram. The most common size for an HA cluster is a two-node cluster, since that is the minimum required to provide redundancy, but many clusters consist of many more, sometimes dozens of nodes.
Liquid democracy is a form of Proxy voting, [1] whereby an electorate engages in collective decision-making through direct participation and dynamic representation. [2] This democratic system utilizes elements of both direct and representative democracy.
Proxy voting was also used in South Carolina; the proprietors in September 1683 complained to the governor about this system. Proxy voting was used in Long Island, New York as well, at that time. Phraseology was sometimes designed to hide the fact that a proxy system was in use and that the majority of voters did not actually attend the elections.
Most recently the principle was carried over to application design by large software vendors, emphasized in large scale database system architecture as well as portal infrastructure and identity management. Federated identity systems link a user's attributes to multiple systems, such as with single sign-on technologies. It is also used to ...
Anycast is a network addressing and routing methodology in which a single IP address is shared by devices (generally servers) in multiple locations. Routers direct packets addressed to this destination to the location nearest the sender, using their normal decision-making algorithms, typically the lowest number of BGP network hops.
Reverse proxy servers are implemented in popular open-source web servers. Dedicated reverse proxy servers are used by some of the biggest websites on the Internet. A reverse proxy is capable of tracking all IP addresses requests that are relayed through it as well as reading and/or modifying any non-encrypted traffic. However, this implicitly ...