VM Auto-Scaling

Automatic Resource Scaling In/Out According to Demand

VM Auto-Scaling automatically creates or deletes VMs according to the pre-determined term/schedule based on resource usage. This allows users to maintain reliable services and efficient operation of servers.

Overview

  • Easy Computing Environment Configuration

    Easy self-served configuration of computing environments is enabled using a web console, from launch configuration to creating/editing/deleting VM Auto-Scaling groups.

  • Flexible Usage

    Flexible usage of computing resources depending on the load and usage of the service. Users may schedule predictable resource usage for a specific time of the day and coordinate resources in preparation for temporary access of unspecified multiple users.

  • Higher Availability

    VM Auto-Scaling accommodates resources to the changing demand to ensure that the requested traffic is processed at all times. Users can enjoy enhanced application performance and availability.

  • Maximized Cost Effectiveness

    Only the required resources for the demand change is used, reducing any unnecessary cost. Flexible resource usage for the traffic increase/decrease during specific times, such as nighttime, weekends, or end of the month, helps customers maximize cost effectiveness.

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Service Architecture

  • Load Balancer → Auto-Scaling Group OS,OS,OS → Monitoring → Trigger → Image Repository / Auto-scaling → Newly Created Virtual Servers within Group → OS,OS
  • Image Repository / Auto-scaling → Trigger → Monitoring → Auto-Scaling Group OS,OS,OS
  • Load Balancer → Auto-Scaling Group OS,OS

Key Features

  • Auto-Scaling provisioning
    1. Create images of servers that will run during operation of VM Auto-Scaling, using launch configuration requests
    2. Create VM Auto-Scaling groups, logical groups for virtual server coordination/management
    3. Set load balancer, minimum/maximum number of servers, enable File Storage, and network for VM Auto-Scaling
    4. Set scale-in/out policy (CPU/memory/disk usage, network traffic, etc.)
    5. Set notifications for Auto-Scaling process
  • Auto-Scaling execution
    1. Automatic scale in/out if the threshold for monitoring target is satisfied or according to the pre-reserved schedule
    2. Provide configuration for multi-AZ for enhanced availability (AZ is automatically configured)

Pricing

    • Billing
    • VM Auto Scaling is a free service
    • Still, resources created by Auto-Scaling will be charged according to the pricing policy of each resource
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