Non-Functional Requirements

Requirement Description
Availability Ensure 99.9% uptime for file service, measured on a monthly basis.
Scalability Handle simultaneous file uploads and downloads by thousands of users, with the ability to increase capacity as needed without degrading performance.
Latency Operations such as listing files or changing permissions should complete quickly, ideally within 200ms.
Authentication and Authorization Implement secure login processes to verify user identities and allow access only to authorized users based on their roles.
Data Integrity Ensure files remain intact and uncorrupted during transfers by verifying their consistency before and after transmission.
Large File Support Support the uploading and downloading of files up to 4GB, with the ability to resume transfers if interrupted.