Amazon Elastic Load Balancer (ELB) is a web service provided by Amazon Web Services (AWS) that helps distribute incoming traffic across multiple targets, such as EC2 instances, containers, and IP addresses. ELB works by creating a virtual load balancer that sits in front of your application servers, receiving requests from clients and forwarding them to the appropriate target in a way that optimizes performance, availability, and scalability. It automatically scales up or down according to the demand, distributing traffic across all available resources evenly. There are three types of ELBs: Application Load Balancer (ALB), Network Load Balancer (NLB), and Classic Load Balancer (CLB). ALB is designed for HTTP/HTTPS traffic and can route requests based on content of request, while NLB is optimized for TCP/UDP traffic and provides ultra-low latency, high-throughput performance. CLB is the legacy version of ELB and is compatible with both HTTP/HTTPS and TCP/SSL protocols. ELB offers several benefits including improved fault tolerance, enhanced security, and reduced latency. By distributing traffic across multiple targets and performing health checks, it eliminates single points of failure and enhances the availability of your application. Additionally, ELB supports SSL/TLS termination and encryption, increasing the security of your traffic. Finally, by routing traffic to the closest target, ELB helps reduce network latency and improve response times. Overall, ELB is a powerful tool for managing and scaling web applications, allowing developers and administrators to achieve high levels of availability, reliability, and performance with minimal effort.
V1.2.0Find leads based on open job vacanciesGet started
8,752 Companies using Amazon ELB
Want to download the entire list?
Enter your email and download the entire list of 8,752+ companies
How to use Amazon ELB
Amazon Elastic Load Balancing (ELB) is a powerful service offered by Amazon Web Services (AWS) that helps distribute traffic across multiple servers or instances. This service is especially useful for businesses or organizations that require high availability and scalable applications.
To start using Amazon ELB, you will need to follow these steps:
Choose the appropriate load balancer type: Amazon ELB offers three types of load balancers - Application Load Balancer, Network Load Balancer, and Classic Load Balancer. The choice of load balancer type depends on your application requirements and architecture.
Create a load balancer: Once you have chosen the appropriate load balancer type, you can create a load balancer by following the AWS console's step-by-step guide. During this process, you will need to configure the load balancer's settings, such as listener configuration and target groups.
Register instances with the load balancer: After creating a load balancer, you will need to register instances, such as EC2 instances, with it. This allows the load balancer to distribute traffic across all registered instances.
Configure health checks: To ensure that only healthy instances receive traffic, you will need to configure health checks. Health checks determine which instances are available to receive traffic from the load balancer.
Update DNS records: Finally, you will need to update your DNS records to point to the load balancer's hostname or IP address. This allows clients to access your application through the load balancer.
Once you have completed these steps, your application is ready to use Amazon ELB. Here are some additional tips to help you make the most of this service:
Monitor load balancer metrics: AWS provides various metrics that you can monitor, such as request count, latency, and error rate. Monitoring these metrics can help you identify issues before they become critical.
Use auto scaling: By using auto scaling, you can automatically adjust the number of instances based on traffic demand. This helps ensure that your application is always available and responsive.
Enable SSL: You can enable SSL (Secure Sockets Layer) to encrypt traffic between clients and the load balancer. This helps protect sensitive information transmitted over the internet.
In summary, Amazon ELB is a powerful service that can help distribute traffic across multiple instances and improve your application's availability and scalability. By following the steps outlined above and implementing some best practices, you can make the most of this service and provide a better experience for your users.