Scalability

The capacity of a system to expand without requiring major reconfiguration or re-entry of data. For example, multiple servers or additional storage can be easily added.

A measure of how well a computer, service, or application can grow to meet increasing performance demands.

One of many benefits AWS offers to its users. If a user’s cloud computing usage is projected to grow, migrating to AWS might be a valid consideration as it allows users to scale without incurring an upfront cost of purchasing servers and other related expenses.

Scalability indicates the capability of a system to increase total throughput under an increased load when resources (typically hardware) are added.

1. The degree to which video and image formats can be sized in systematic proportions for distribution over communications channels of varying capacities. [After SMPTE] 2. The ease with which software can be transferred from one graduated series of application platforms to another [POSIX.0].

the ability to continue to function well when changed in size or volume either directly or when moved to a new context