History of Erlang
1982 - 1985
Experiments with programming of telecom
using > 20 different languages.
Conclusion: The language must be a very
high level symbolic language in order to
achive productivity gains !
(Leaves us with: Lisp , Prolog , Parlog ...)
1985 - 86
Experiments with Lisp,Prolog, Parlog etc.
Conclusion: The language must contain
primitives for concurrency and error recovery,
and the execution model must not
(Rules out Lisp and Prolog.)
It must also have a granularity of concurrency such that one asyncronous
telephony process is represented by one process in the language.
(Rules out Parlog.)
We must therefore develop our own language with the desirable
features of Lisp,
Prolog and Parlog, but with concurrency
and error recovery built into the language.
The first experiments with Erlang.
ACS/Dunder Phase 1. Prototype construction of PABX functionality
by external users Erlang escapes from the lab!
ACS/Dunder Phase 2. Reconstruction of
1/10 of the complete MD-110 system.
Results: >> 10 times greater gains in
efficency at construction compared with
construction in PLEX!
Further experiments with a fast implementation of Erlang.
Erlang is presented at ISS'90, which results
in several new users, e.g Bellcore.
Fast implementation of Erlang is released
to users. Erlang is represented at Telecom'91 .
More functionality such as ASN1 -
Compiler , graphical interface etc.
A lot of new users, e.g several RACE
projects. Erlang is ported to VxWorks,
PC, Macintosh etc. Three applications using
Erlang are presented at ISS'92. The two
first product projects using Erlang are
Distribution is added to Erlang, which
makes it possible to run a homgeneous
Erlang system on a heterogeneous hardware.
Decision to sell implementations Erlang externally.
Separate organization in Ericsson started to maintain and support
Erlang implementations and Erlang Tools.