Information and communication technologies (ICT) provide crucial services and systems for our daily lives as well as in emergency and disaster situations. Disaster relief systems that are used during and after disasters provide people with timely and useful information that is used for rescue, evacuation, safety confirmation and even for life sustainability.
This document provides the high-level category of disaster relief (DR) systems including early warning systems, identifies the services and systems that need common specifications or requirements. Also, this document describes new study area of disaster relief systems, which includes newly produced ITU-T Recommendations, and its requirements.