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The popularization of cloud computing has provided the emergence of largevolumes of data that are stored in Data Centers (DCs). These locations storedata of different types, origins, and priorities for their owners. The DCs aresubject to natural or man-made attacks. The attacks are diverse and happenquickly after their detection. Therefore, this paper proposes two techniques toevacuate data from threatened DCs to those who are outside the risk zone of theattack. The first technique is based on the Service Level Agreement (SLA) ofthe data and the second one is based on the order that they arrive at the DC,using the algorithm LIFO. Both techniques performed similarly on the amount ofevacuated data and at the time for evacuation. However, the SLA policydistributes the data on a priority scale according to the SLA, while the LIFOpolicy ranks data on the same scale's priority.

Evacua\c{c}\~ao de Dados em Nuvens \'Opticas com base no SLA sob Cen\'ario de Desastre