AWS Fundamentals: ELB + ASG
I. Elastic Load Balacing overview 1. What is load balacing? Load Balances are servers that forward traffic to multiple servers(e.g., EC2 instances) downstream 2. Why use a load balacer? Spread load across multiple downstream instances Expose of single point of access (DNS) to your application Seamlessly hanle failures of downstream instances Do regular health checks to your instances Provide SSL termination (HTTPS) for your websites Enforce stickiness with cookies High availability across zones Separate public traffic from private traffic 3. Why use an Elastic load balancer? An Elastic load balancer is a managed load balancer AWS guarantees that it will be working AWS takes care of upgrades, maintenance, hight availability AWS provides only a few configuration knobs It costs less to setup your own load balancer but it will be a lot more effort on your end It's intergrated with many AWS offerings/ services EC2, EC2 Auto Scaling Groups, Amazon ECS AWS Certificate Manager (ACM), Cloud...