Cygnus

Cygnus is a communication tool that is active in the background, invisible to the user. It permanently stores all of the Orion Context Broker’s historical data. As mentioned above, the Broker only saves the latest version of an attribute value.

All data received by the Orion Context Broker is reported to Cygnus, which stores the data using one or several permanent storage options (e.g. MySQL, Hadoop HDFS, CKAN, etc.). All data entered is retained without any external intervention or errors.

Cygnus thus helps to historicise and protect data as well as to diversify different output formats.

 

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