PRESENCE: Monitoring and Modelling the Performance Metrics of Mobile Cloud SaaS Web Services

Table 1

Performance metrics used in PRESENCE.

Domain	Metric/Implementation status		Metric type
Scalability	Number of transactions	✓	Workload/performance indicator
	Number of requests	✓
	Number of operations	✓
	Number of records	✓
	Number of fetches	✓
Reliability	Parallel connections (clients)	✓	Workload
	Number of pipes	✓
	Number of threads	✓
	Workload size	✓
Availability	Response time	×	Performance indicator
	Up time	×
	Down time	×
	Load balancing	×
Performance	Latency	✓	Performance indicator
	Throughput	✓
	Transfer rate	✓
	Miss/hit rate	✓
Costs	Installing costs	×	Quality indicator
	Running costs	×
Security	Authentication	✓	Security indicator
	Encryption	✓
	Auditability	✓