a scaling technique in which additional workflows are distributed to more systems of the same size and shape instead of providing more resources to the same systems.
— DevOps for the Modern Enterprise, Mirco Hering
horizontal scaling
2 of our books define this term — and their definitions are worth reading side by side.
adding more servers into rotation (i.e., horizontal scaling)
— The DevOps Handbook, in “9 Create the Foundations of Our Deployment Pipeline”, Gene Kim, Jez Humble, Patrick Debois, John Willis, and Nicole Forsgren
See also abstraction layer · access layer · application programming interface (API) · cloud · cloud native application · compilers
Filed under Architecture & Systems