Context

Web application running in cloud-based environment with multiple servers and data centers.

Trigger

Sudden increase in traffic due to unexpected popularity or temporary spike in user activity.

Acceptance Criteria

• Web application gracefully handles traffic surge without service disruption
• Performance degradation remains below 25% reduced response time
• System automatically scales resources to accommodate increased load
• Traffic distributed evenly among servers
• Data consistency ensured during traffic surge
• In event of server failures, traffic seamlessly redirected to healthy servers
• Lost data recovered if necessary during server failures
• Anomalies and failures logged and reported for further analysis and improvement

This requirement was created with help from ChatGPT by using the prompt create a quality attribute scenario to describe a resilience requirement for a web application.