Which service helps manage resource access control in Alibaba Cloud?

The service that helps manage resource access control in Alibaba Cloud is Alibaba Cloud RAM (Resource Access Management). This service allows users to manage permissions and access to resources securely and efficiently. With Alibaba Cloud RAM, you can define fine-grained access control policies based on specific requirements, ensuring that users and applications have the appropriate level of access to resources while minimizing the risk of unauthorized access.

RAM facilitates the creation of different user roles and permissions, enabling you to implement the principle of least privilege. By managing access through RAM, organizations can maintain better security and compliance within their cloud environment.

The other services mentioned do serve important functions within Alibaba Cloud, but they focus on different areas. For example, Alibaba Cloud VPC (Virtual Private Cloud) is primarily concerned with network isolation and resource deployment in a virtual network, while Alibaba Cloud Network Access Control relates to controlling traffic to and from resources based on network rules. Alibaba Cloud Service Mesh is designed to manage service-to-service communications and features like traffic control and service discovery within microservices architectures.