Sticky Sessions
It is the concept that use cookie to let the request always redirect to the same instance. This feature is applied in ALBand NLB.
There are 2 kind of cookies
Application-based Cookies
Duration-based Cookies
(1) Application-based Cookies
It is a custom cookie generated by our application. For naming , It is not able to use AWSALB , AWSALBAPP or AWSALBTG because this keyword reserved by ELB.
(2) Duration-based Cookies
It is a cooke generated by the load balancer. Cookie name is AWSALB for ALB , AWSELB for CLB.
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