AWS for Beginners: ALB vs NLB vs GLB — Which AWS Load Balancer Should You Choose: Part 14
Read on:
AWS for Beginners: Understanding AWS Terminologies: Part 1
AWS for Beginners: What is AWS EC2: Part 2
AWS for Beginners: AWS Compute Services: Part 3
AWS for Beginners: How to Protect AWS Security Tools: Part 4
AWS for Beginners: What is IAM (Identity and Access Management) and Best Practices: Part 5
AWS for Beginners: Provisioning IAM Users and Programmatic Access in AWS: Part 6
AWS for Beginners: Securing Root account using MFA: Part 7
AWS for Beginners: Amazon S3 Overview, Security and Best Practices : Part 8
AWS for Beginners: Creating and managing IAM groups: Part 9
AWS for Beginners: AWS Managed Policies and In-line Policies: Part 10
AWS for Beginners: Create and Attach a policy to an IAM User: Part 11
AWS for Beginners: How to Create a Customer Managed Policy: Part 12
AWS for Beginners: What are EC2 Placement groups: Part 13
Introduction
Load Balancers are servers that forward traffic to multiple downstream servers. It spreads load across multiple downstream instances. It helps to expose a single point of access to your application. It handles failures of the downstream instances by doing regular health checks. It provides SSL termination for your websites and enforces stickiness with cookies. These properties might differ based on the load balancer type you choose.
Type of Load Balancers in AWS:
Amazon Web Services (AWS) offers several types of load balancers that you can use to distribute incoming traffic across your application’s resources: Here is the type of Elastic Load Balancers(ELB) offered in AWS:
1. Classic Load Balancer (CLB): Classic Load Balancer (CLB) is a basic load balancer that operates at either the application or network layer and supports HTTP, HTTPS, and TCP traffic. Classic Load Balancer is the oldest type of load balancer in AWS, designed to handle traffic at both the request and connection levels. It routes traffic between clients and backend services, such as Amazon EC2 instances and containers. Classic Load Balancer enables multiple cloud resources to be accessed through a single domain endpoint, simplifying access and improving scalability. Classic Load Balancer is limited to handling traffic at the request and connection levels only. It is not as feature-rich as ALB and is generally not recommended for new applications.
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