Ericsson to WhatsApp: The story of Erlang

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In this post, we’re going to look at a piece of technology that was banned by the company that created it. It was kept alive by a small team of enthusiasts. Then, almost thirty years after its first development, it became the core technology underpinning one of the most important and lucrative startups of the 2010s. By Babbage.

This is our first post on a programming language. Except it isn’t entirely about software, it’s about how software can make the most of the hardware resources available and the links between the hardware of computing and that of telephony. So, what is Erlang, how did it come into being, and why has it had a renaissance recently? The article describes:

  • Ericsson
  • Ericsson Computer Science Laboratory
  • What was Erlang?
  • The Collapse of AXE-N
  • Ericsson Ban
  • Open Source Erlang
  • WhatsApp
  • Elixir

Erlang continues to be developed and supported by individuals and teams both inside and outside Ericsson. In 2022, it received a notable update that speeded up the execution of Erlang programs significantly through the introduction of an updated ‘just in time’ compiler. Interesting read!

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Tags frameworks performance app-development elixir erlang functional-programming