
235Software Development in Cloud
• Usage statistics and bill calculation
• Help documentation to use the service
• Service integration
9.4.6 Monitoring and SLA Maintenance
As soon as the SaaS application is developed and deployed using PaaS, the
end users can access the SaaS application over the Internet from any end
user device such as desktops, laptops, tablets, and mobiles. After delivering
the application, any misbehavior, failure, security attacks, and disasters of
SaaS applications should be monitored and prevented. Since a lot of custom-
ers are sharing the same instance of a single application, any misbehavior
from one tenant will af