Where Are Load Balancers Typically Placed?

1. What is a Load Balancer?

A load balancer is a networking device or software application that distributes and balances the incoming traffic among the servers to provide high availability, efficient utilization of servers, and high performance....

2. What will happen if there is No Load Balancer?

Before understanding how a load balancer works, let’s understand what problem will occur without the load balancer through an example....

3. How Load Balancer Works?

Lets understand how Load Balancer works through the above discussed example:...

4. Where Are Load Balancers Typically Placed?

Below is the image where a load balancer can be placed…...

5. Types of Load Balancers

5.1. Types of Load Balancer – Based on Configurations...

5.1. Types of Load Balancer – Based on Configurations

There are mainly three typers of load balancers based on configurations:...

5.2. Types of Load Balancer – Based on Functions

There are mainly three typers of load balancers based on functions:...

6. Load Balancing Algorithms

We need a load-balancing algorithm to decide which request should be redirected to which backend server. The different system uses different ways to select the servers from the load balancer. Companies use varieties of load-balancing algorithm techniques depending on the configuration. Some of the common load-balancing algorithms are given below:...

7. How to Use Load Balancing During System Design Interviews?

In your system design interview, you’ll be asked some sort of scalability question where you’ll have to explain how load balancers help distribute the traffic and how it ensures scalability and availability of services in your application. The overall concept that you need to keep in mind from this article is…...