Elastic Load Balancing

Cross Zone Load Balancer

Session State

What is User Session State

Why Session State matters

ELB Evolution

Application Load balancing (ALB) vs Network Load Balancing (NLB)

Load Balancer Consolidation

Application Load Balancer (ALB)

Application Load Balancer (ALB) - Rules

Network Load Balancer (NLB)

ALB vs NLB

Session Stickiness

Session stickiness is a feature of AWS ELB's which allows applications which store session state internally on EC2 instances to function with load balancers

Connection Stickiness

Gateway Load Balancer

Gateway Load Balancers enable you to deploy, scale, and manage virtual appliances, such as firewalls, intrusion detection and prevention systems, and deep packet inspection systems.

It combines a transparent network gateway (that is, a single entry and exit point for all traffic) and distributes traffic while scaling your virtual appliances with the demand.

Why ?

What ?

How ?