i have 1 instances and i am using application load balancer


so should i need to use network load balancer or not , or its useless because i have only 1 instances right now

asked 2 months ago36 views
2 Answers


If you are connecting to a single instance from clients it is a SPOF (Single Point of Failure) design, if you use a load balancer you can scale your Web/App fleet and achieve high availability.

As for which one to choose (ALB Vs NLB) see below link for the key differences between the two.


profile picture
answered 2 months ago


  1. is there any specific reason you are using application running on only one instance ?
  2. I would recommend you to have Load balancer (ALB or NLB) based on your use case and have two ec2 instance in different Availability zone.
  3. Also launch the instances using AWS Autoscaling (ASG) .
  4. In the Autoscaling, have the health check as Load balancer, so that when loadbalancer marks any instance as unhealthy, ASG terminates the instance and launch instance new instance , also it attach the new instance back to the load balancer .

Web Application Hosting in the AWS Cloud.

AWS Serverless Multi-Tier Architectures with Amazon API Gateway and AWS Lambda

answered 2 months ago

You are not logged in. Log in to post an answer.

A good answer clearly answers the question and provides constructive feedback and encourages professional growth in the question asker.

Guidelines for Answering Questions