Alibaba Cloud Computing (阿里云计算有限公司) is a cloud computing company. It offers PolarDB, a cloud-native relational database; Lindorm, a cloud-native database service supporting various data models; Tair, an in-memory database service that provides a range of data structures; Cloud Migration Hub (CMH), a solution that provides automatic and intelligent system surveys, cloud adoption planning, and migration management; and other products.