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This article describe better at the bottom what the 9s stands for and what nine 9s means in term of downtime in a year. Tags: Reverted Visual edit |
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[[File:Mike williams.jpg|thumb|Mike Williams]]
In February 1998, Ericsson Radio Systems banned the in-house use of Erlang for new products, citing a preference for non-proprietary languages.<ref>{{cite thesis|url=https://cogsys.uni-bamberg.de/team/schmid/uoshp/lehreuos/fp01-www/fp-referate/erlang/bjarnelic.pdf#page=45|title=Concurrent Functional Programming for Telecommunications: A Case Study of Technology Introduction|first=Bjarne|last=Däcker|date=October 2000|publisher=Royal Institute of Technology|page=37}}</ref> The ban caused Armstrong and others to make plans to leave Ericsson.<ref name="questions"/> In March 1998 Ericsson announced the AXD301 switch,<ref name="hopl"/> containing over a million lines of Erlang and reported to achieve a [[high availability]] of [[
{{cite web |url=http://www.rabbitmq.com/resources/armstrong.pdf |title=Concurrency Oriented Programming in Erlang |date=9 November 2002}}
</ref> In December 1998, the implementation of Erlang was open-sourced and most of the Erlang team resigned to form a new company Bluetail AB.<ref name="hopl"/> Ericsson eventually relaxed the ban and re-hired Armstrong in 2004.<ref name="questions">{{cite web |url=http://erlang.org/pipermail/erlang-questions/2006-July/021368.html |title=question about Erlang's future |date=6 July 2010}}</ref>
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