Welcome to the Jungerl!

Ulf Wiger etxuwig@REDACTED
Wed Feb 26 11:18:40 CET 2003

On Tue, 25 Feb 2003, Miguel Barreiro Paz wrote:

>After the Airtel Vodafone outage last thursday[1], we have
>to be a bit careful here talking about Erlang as
>"heavy-duty, used by Ericsson to build switching control
>systems..." and the like, or risk angry sarcasm. Even if it
>was not Ericsson's fault at all (which I don't know) and
>Erlang was not used in the system at all (which I don't
>know, either).
>[1] A software problem during a software upgrade in an
>Ericsson switch at the Vodafone backbone took down the
>entire Vodafone network in Spain (8.7 million customers).
>No more details are publicly known.

I have it from a reliable source that it was not an
Erlang-based system.

Ulf Wiger, Senior Specialist,
   / / /   Architecture & Design of Carrier-Class Software
  / / /    Strategic Product & System Management
 / / /     Ericsson AB, Connectivity and Control Nodes

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