Testing - Difference between Scalability testing and load testing

What is the difference between Scalability testing and load testing?

- An application tested by Load testing, has simulating the real-life work load conditions. Various characteristics of the application which works under massive work load are determined. Different users can work concurrently and the application will be tested, for identifying the various parts of the application reaction under increased load.

- The application’s workload growth is scaled by scalability testing. The server performance time can be shortening by upgrading the server, hardware by using scalability testing.

- Scalability can be considered as a part of performance testing which checks if the system is scalable or not. To find if the functionality and the performance of a system will scale up to meet specified requirements. Load testing is to check if the system can take load or not. To check the expected usage of a software program by simulating multiple users accessing the program's services concurrently.
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