You are viewing a free preview of this lesson.
Subscribe to unlock all 10 lessons in this course and every other course on LearningBro.
Azure Virtual Machine Scale Sets (VMSS) let you create and manage a group of identical, load-balanced VMs. They automatically increase or decrease the number of VM instances in response to demand or a defined schedule, providing high availability and application resiliency.
A VMSS is a collection of VMs that are:
| Benefit | Description |
|---|---|
| Automatic scaling | Scale from 0 to 1,000 instances based on metrics or schedules |
| High availability | Distribute across fault domains and Availability Zones |
| Consistency | All VMs are identical — same image, size, and configuration |
| Integration | Works with Azure Load Balancer and Application Gateway |
| Cost efficiency | Scale in during low demand to reduce costs |
VMSS supports two orchestration modes:
Subscribe to continue reading
Get full access to this lesson and all 10 lessons in this course.