Erlang (programming language)
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Erlang is a general-purpose Programming language and runtime. It is also available as a Open Source implementation. It is used in telecommunication hardware from Ericsson. It is suitable for distributed and soft real-time systems.
Erlang is also a measure of the use of a communication channel, particularly voice and in relation to a PABX. One Erlang implies a single channel in continuous use or two channels at fifty percent use.