What is Zilliz Cloud and how does it relate to Milvus?

Zilliz Cloud is the managed cloud service built on Milvus, operated by Zilliz, the primary maintainer of the Milvus open-source project. It offers dedicated and serverless deployment options on AWS, GCP, and Azure, with automated scaling, backups, monitoring, and upgrades. Zilliz Cloud adds enterprise features like single sign-on, audit logging, and private networking, plus optimized performance tuning that comes from running Milvus at scale for many customers. It is the production-ready hosted option for teams that prefer managed services.