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AWS Certified Developer - Associate Guide by Bhavin Parmar, Vipul Tankariya

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Features of an ELB

There are several features of an ELB. Each type of load balancer, be it a Classic Load Balancer or an Application Load Balancer, has its own set of features. The following table illustrates these features and compares the two types of ELBs. This comparison can help in choosing the right load balancer type depending on the requirement:

Features

Classic Load Balancer

Application Load Balancer

Protocols

HTTP, HTTPS, TCP, SSL

HTTP, HTTPS

Platforms

EC2-Classic, EC2-VPC

EC2-VPC

Sticky sessions (cookies)

Load balancer generated

Idle connection timeout

Connection draining

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