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what is aws classic load balancer

Release time:2023-07-06 19:40:46 Page View: author:Yuxuan
Amazon Web Services (AWS) is a widely used cloud computing platform that provides various services, including load balancing. AWS Classic Load Balancer is a product used to balance the traffic in a network of EC2 instances. In this article, we are going to discuss what AWS Classic Load Balancer is and how it works.

What is AWS Classic Load Balancer?

AWS Classic Load Balancer (CLB) is a network service designed to manage and distribute traffic evenly among EC2 instances. It is the oldest form of load balancing in AWS and was launched in 2009. The main function of this service is to divide incoming traffic across multiple instances and provide high availability and robustness to your environment. It is also compatible with various protocols, including HTTP, HTTPS, TCP, and SSL.

How does AWS Classic Load Balancer work?

AWS Classic Load Balancer works by distributing incoming traffic evenly to multiple EC2 instances that are registered with it. The load balancer monitors the health of instances and ensures that only healthy instances receive traffic. When an EC2 instance becomes unhealthy, the load balancer automatically diverts traffic to another healthy instance. The CLB also supports sticky sessions, which means that a user session will always be routed to the same instance to ensure consistency.

Features of AWS Classic Load Balancer

AWS Classic Load Balancer has several features that make it one of the best load balancers available. These features include:1. Scalability: AWS Classic Load Balancer can handle high-traffic volumes and scale based on the number of requests that come in.2. High availability: The load balancer automatically routes traffic to healthy instances, making sure that your environment stays highly available.3. Health checks: CLB periodically performs health checks on registered instances to determine their state and ensures that only healthy instances receive traffic.4. SSL termination: AWS Classic Load Balancer supports SSL, terminating incoming HTTPS traffic and then forwarding it to back-end instances.

Conclusion

In conclusion, AWS Classic Load Balancer is a reliable network service that efficiently distributes traffic among EC2 instances. It provides high availability, scalability, health checks, SSL termination, and session affinity to ensure users have a consistent experience. If you are looking for a dependable load balancer, AWS Classic Load Balancer is a great choice for you.
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