Darwin:Alarm Element

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Alarm message


An Alarm message indicates that a feed in to Darwin has stopped, or has re-started.


The alarms sent are as follows:

Alarm Meaning
tdAreaFail Darwin has detected that no data has been received from a single TD for a period of time
tdFeedFail Darwin has detected that no data has been received from any TD for a period of time
tyrellFeedFail Darwin has detected that its connection to Tyrell has failed

Each alarm has a unique identifier, and may be cleared with an alarm being received with a 'clear' element and the same unique identifier.

Example messages

  <al:set id="20669">
    <al:tdFeedFail />


National Rail Enquiries Data Feeds
Data Feeds About the Feeds Darwin Webservice (Public) Darwin Webservice (Staff) Historical Service Performance Push Port KnowledgeBaseDTDLocations (PoC)Real Time Journey Planner
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