• Performance risks

 
Risk Test measure (section number/s)
Response times result in problems:
– Too high
– Increase too much at expected peaks
– Increase too much at unexpected peaks
5.2
Processing capacity (throughput) is insufficient. 5.2.1
Upload/download speed (bandwidth) is insufficient: – On supplier side
– On customer side
5.1.3, 5.2.1 5.2
Other customers affect performance. 5.1.3, 5.2.1, 5.2.4
Performance is insufficient due to overbooking at supplier side. 5.2.1, 5.9.2
Performance is not sufficient on all types of devices. 5.2, 5.9.2
Customer experiences performance is insufficient. 5.1.3, 5.2.1
Scaling does not suffice:
– Scaling up manually does not work.
– Scaling down manually does not work.
– Manual scaling causes disruptions.
– Scaling up automatically does not work.
– Scaling down automatically does not work. – Automatic scaling causes disruptions.
– Insufficient growth potential.
5.1.3, 5.2.4
Performance varies due to Internet connection. 5.2, 5.9.1, 5.9.2
Performance decreases due to changes by supplier. 5.2, 5.9.1, 5.9.2
Performance deteriorates over time. 5.2.35.9.1, 5.9.2
User demands change over time. 5.9.3
Pay per use not accurate enough: – Paid too much
– Too little transparency
5.2.4, 5.9.2, 5.1.3
Latency (delay) is too high:
– Insufficient performance
– Technical issues in the service
– Technical issues in the interfaces
– Technical issues in interfacing systems
5.2, 5.9.2
Performance is not sufficient throughout the world. 5.2.7
User experiences quality of video or audio as low. 5.2
User requirements for performance are not clear. 5.1.2, 5.2.5
Executing performance tests is not possible. 5.1.3, 5.4.4
Performance tests are not representative. 5.2.11, 5.4.4