Capacity Planning - CompTIA Security+ SY0-701 - 3.4

Capacity Planning

Match supply to the demand

- This isn't alwasy an obvious equation

Too much demand

- Applications slowdown and outages

Too much supply

- You're paying too much

Requires a balanced approach

- Add the right amount of people

- Apple appropriate technology

- Build the best infrastructure

People

Some services require human intervention

- Call center support lines

- Technology services

Too few employees

- Recruit new staff

- It may be time consuming to add more staff

Too many employees

- Redeploy to other parts of the org

- Downsize

Technology

Pick a technology that can scale

- Not all services can easily grow and shrink

Web services

- Distribute the load across multiple web services

Database services

- Cluster multiple SQL servers

- Split the database to increase capacity

Cloud services

- Services on demand

- Seemingly unlimited resources (if you pay the money)

Infrastructure

The underlying framework

- Application servers, network services, etc

- CPU, network, storage

Physical devices

- Purchase, configure and install

Cloud based devices

- Easier to deploy

- Useful for unexpected capacity changes