What are the main differences between ‘horizontal’ and ‘vertical’ scales?Ans. The main differences between ‘horizontal’ and ‘vertical’ scales are –Horizontal ScaleVertical ScaleProvides new resources along with new hardware devices to support the infrastructureYou would need to increase power resources by upgrading the current machineUsed in distributed systemsUsed in virtualizationResilient to system failure Single point of failureUtilizes network callsInterprocess communicationIncreases the capacity of existing hardware or software by adding additional resourcesConnects multiple system entities, both hardware, and software such that they work as a single logical unitDifficult to implement Easy to implemen

What are the main differences between ‘horizontal’ and ‘vertical’ scales?

Ans. The main differences between ‘horizontal’ and ‘vertical’ scales are –

Horizontal Scale

Vertical Scale

Provides new resources along with new hardware devices to support the infrastructure

You would need to increase power resources by upgrading the current machine

Used in distributed systems

Used in virtualization

Resilient to system failure 

Single point of failure

Utilizes network calls

Interprocess communication

Increases the capacity of existing hardware or software by adding additional resources

Connects multiple system entities, both hardware, and software such that they work as a single logical unit

Difficult to implement 

Easy to implement