March 2022
Intermediate to advanced
400 pages
10h 10m
English
Chapter 19, “Application Scalability,” examines capacity planning and scalability issues in detail. For a SaaS solution, the cloud-solution provider will scale the site to match user demand. An IT manager, however, must define in advance key response-time metrics the solution must provide and then include those measures within the SLA.
For PaaS and IaaS solutions, the IT manager must initially estimate the solution’s capacity plan, which defines the resources the solution will need to operate satisfactorily. The IT manager should also estimate the site’s potential growth and define, with the help of the solution provider, the plan for scaling the site resources as well as the related costs. ...
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