Scalability testing
Appearance
Scalability Testing, part of the battery of non-functional tests, is the testing of a software application for measuring its capability to scale up or scale out [1]- in terms of any of its non-functional capability - be it the user load supported, the number of transactions, the data volume etc.
Performance, scalability & reliability are usually considered together by software quality analysts.
References
Further reading
Designing Distributed Applications with Visual Studio .NET: Scalability