Common Alerting Protocol Implementation (IPAWS) May 15, 2013

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  • The Common Alerting Protocol (CAP) allows emergency messages to be simultaneously disseminated over a wide variety of existing and emerging public alerting systems.
  • CAP is an international technical data specification developed by the Organization for the Advancement of Structured Information Standards (OASIS).
  • In addition to the basic CAP standard, a supplemental IPAWS Profile technical specification was developed to ensure compatibility with existing warning systems used in the United States.
  • FEMA has formally adopted CAP and the IPAWS Profile to implement the Integrated Public Alert and Warning System.
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