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Global Accelerator.md

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Global Accelerator

Created By: Keishin CHOU Last Edited: Apr 22, 2020 11:44 AM

Overview

  • Work with Elastic IP, EC2 instance, ALB, NLB, public or private.
  • Leverage the AWS internal network to route to your application.
  • 2 Anycast IP address will be created for your application.
  • The Anycast IP send traffic directly to Edge Location.
  • The Edge Location sends the traffic to your application.
  • Consistent performance
    • Intelligent routing to lowest latency and fast regional failover.
    • No issue with client cache. The IP doesn't change.
    • Internal AWS network.
  • Health check
    • Disaster recovery.

Global Accelerator vs CloudFront

  • Both use AWS global network and Edge Locations.
  • CloudFront
    • Improves performance for both cached content and dynamic content.
    • Contents are served at the Edge. So user get content from the Edge.
  • Global Accelerator
    • Improves performance for a wide range of applications over TCP or UDP.
    • All the requests go to origin application end.
    • No cached contents available.