AWS Elastic Load Balancer (ELB) -- Affinity & CZLB & SSL

1. Sticky Sessions (Session Affinity)

Enable Sticky Sessions

At the target group level. edit the attributes:

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Refresh this page multiple times, as we can see, we get access to the same instance.

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And we can see the cookie information as below:

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The cookies is past to the instance, this is how stickness works.

2. Cross-Zone Load Balancing