Azure Cosmos DB is Microsoft's globally distributed, multi-model database. Azure Cosmos DB enables you to elastically and independently scale throughput and storage across any number of Azure's geographic regions. Azure Cosmos DB guarantees single-digit-millisecond latencies at the 99th percentile anywhere in the world, offers multiple well-defined consistency models to fine-tune performance, and guarantees high availability with multi-homing capabilities (more details are available here: https://azure.microsoft.com/en-us/services/cosmos-db/).
Azure Cosmos DB was launched in May 2017, however it's not really a brand-new offering per se. It actually inherited lots of functionality from its predecessor, Azure DocumentDB, which ...