How Table Store Implements Cross-Region Disaster Tolerance

von C. Thor Forum: Allgemeines

Although disaster tolerance and high availability address different issues, disaster tolerance does increase system availability. Disaster tolerance usually deals with rare but severe failures, such as power/network outages in IDCs, earthquakes, fires, and human-caused software and hardware unavailability. These failures are actually beyond the ability scope of many high availability designs.

Disaster tolerance has two critical indicators: RTO and RPO. RTO is the targeted duration of time within which a business process must be restored after a disaster. RPO is the maximum targeted period in which data might be lost due to a major failure.

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https://www.alibabacloud.com/blog/how-table-store-implements-cross-region-disaster-tolerance_594659?spm=a2c65.11461433.0.0.386d5355x3cb8g