# TiDB Cloud - `https://tidbcloud.com`
+ TiDB Dedicated
+ TiDB Serverless

![`smart`](./student-guide/diagram/TiDBCloudProviderRegion_aa_001_20220524.png)
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The average distance between two availability zones within the same CSP region ranges from 10 to 30 kilometers. Therefore, due to the implementation of the Raft consensus algorithm in TiDB, TiDB Cloud has an inherent capability of high availability and disaster recovery.