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NMIS (Network Management Information System) was developed as an Open Source Network Management System to provide information to IT professionals to support decision making, both operational and longer term. The goal was to provide a dashboard of the all the nodes being managed in a single view so that it is possible to rapidly identify where problems are with "traffic lights". Over the years we have learnt that people see information differently, and while some people see colours and arrows other see data textually, so for some people the details are lost in the colours.
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