hmpandey

+=========================================+================================+======================================+
|                Criteria                 |       Horizontal Scaling       |           Vertical Scaling           |
+=========================================+================================+======================================+
| Definition                              | adding more machines           | increasing the capacity of a machine |
+-----------------------------------------+--------------------------------+--------------------------------------+
| Other Name                              | scale out or scale in          | scale up or scale down               |
+-----------------------------------------+--------------------------------+--------------------------------------+
| Availability                            | The system is highly available | single point of failure              |
+-----------------------------------------+--------------------------------+-------------------