Route 53

Introduction

• It is DNS service on AWS

Alias

• Maps to the service to an AWS resource

Routing Policies

• Simple: route traffic to single resource, if multiple returned value is returned, it will be selected by client randomly

• Weight: control the % of request to go to each resource

• Latency: Redirect to the the resource that have the least latency

• Failover: Set up a health check rule to primary record, it will be redirected to the secondary record if the primary record is unhealthy

• Geolocation: To specify the group of user on specific location to go to specific resource

• IP-based: To specify the group of user within the ip range to go to specific resource