Language Bindings for Erlang Again (Opinion)
Wed Jun 7 21:31:02 CEST 2006
Den 2006-06-06 19:42:17 skrev Garry Hodgson <>:
>> Erlang runs the telephone system in the UK - all 1.7m sloc of it with
>> downtime per year (yes 99.9999999% availability).
>> The lesson of this is that Erlang 'only' gives you commodity,
>> google scalability on comodity hardware. Apart from that it has little
>> offer ;->
> does anyone have a pointer to some documentation about that?
> i'd like to beat some people over the head with it.
It is true that the availability figures were nine nines during the first
period of operation. It was pretty exciting, since when it was taken into
service, it was the first network of its kind, and it was a live cutover
in one of the busiest transit networks in the world. I don't know what the
availability figures are today. As you may know, the biggest contributors
to downtime in telecom systems are maintenance and upgrades.
There were some articles, but I don't know if they are still reachable.
Here's a post that quotes some of the contents of one article long since
Here's the original article on the AXD 301:
It does mention (in the "software technology" box on page 15) that Erlang
is the primary language used for the control system.
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