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1 definition found From The Free On-line Dictionary of Computing (05 January 2017) [foldoc]: Erlang 1. Agner Krarup Erlang. (The other senses were named after him). 2. A concurrent functional language for large industrial real-time systems by Armstrong, Williams and Virding of Ellemtel, Sweden. Erlang is untyped. It has pattern matching syntax, recursion equations, explicit concurrency, {asynchronous message passing} and is relatively free from side-effects. It supports transparent cross-platform distribution. It has primitives for detecting run-time errors, real-time {garbage collection}, modules, dynamic code replacement (change code in a continuously running real-time system) and a foreign language interface. An unsupported free version is available (subject to a non-commercial licence). Commercial versions with support are available from Erlang Systems AB. An interpreter in SICStus Prolog and compilers in C and Erlang are available for several Unix platforms. Open Telecom Platform (OTP) is a set of libraries and tools. Commercial version http://erlang.se/ - sales, support, training, consultants. {Open-source version (http://erlang.org/)} - downloads, user-contributed software, mailing lists. Training and consulting http://erlang-consulting.com/. E-mail: . [Erlang - "Concurrent Programming in Erlang", J. Armstrong, M. & Williams R. Virding, Prentice Hall, 1993. ISBN 13-285792-8.] 3. 36 CCS per hour, or 1 call-second per second. Erlang is a unit without dimension, accepted internationally for measuring the traffic intensity. This unit is defined as the aggregate of continuous occupation of a channel for one hour (3600 seconds). An intensity of one Erlang means the channel is continuously occupied. (2003-03-25)