Simple Notification Service (SNS)
Kinesis + MQ
Databases & Analytics
  • It enables the load balancer to bind a user's session to a specific instance.
    • Ensures that all requests from the user during the session are sent to the same instance.
  • Session stickiness is defined at a target group level.
  • Elastic Load Balancing creates a cookie, called AWSELB, that is used to map the session to the instance and a duration can be set to that cookie.
  • It can cause uneven load on backend instances because some instances might get used more than others.
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