AWS Elastic Load Balancing in Cloud: What do you need to know?
Tags: aws
Published: 2020-10-28 06:22:33

The IT industry is expanding each day and so is the need for computing and storage resources. Extensive quantities of data are generated and exchanged over the internet which further entails the need for more computing resources. Organizations, to better capitalize their investment, are launching their infrastructure to newfound virtualization technologies like cloud computing. Cloud technologies help leverage the advantages of computing resources which are shared over a virtualized environment. This brings us to the concept of load balancing in the cloud.

![AWS Elastic Load] (https://www.sndkcorp.com/wp-content/uploads/2020/05/image2.jpg)

Your website or a web application can be accessed by several users at any point in time. It becomes challenging for your web application to manage all these user requests at one time. It may even result in system breakdowns. For a website owner, whose entire work is dependent on his/her portal, the feeling of the website being down or not accessible brings lost potential customers. Here, SNDK Corp’s cloud load balancing services play an important role.

##What is Cloud Load Balancing?##

Cloud Load balancing is the process of allocating workload and computing resources over one or more servers. This kind of allocation ensures maximum throughput in minimum response time. The workload is separated amongst two or more servers, network interfaces, hard drives or other computing resources, thus enabling faster system response time and better utilization of resources. Thus, if your website is receiving high traffic, effective [use of cloud load balancing] (https://www.znetlive.com/blog/manage-high-traffic-website-by-cloud-hosting-solution/) can ensure business continuity. The common objectives of using load balancers are:

* Maintain system firmness.
* Improve system performance.
* Protect against system failures.

SNDK Corp provides its clients with AWS’s Elastic Load Balancer(ELB) service which is a purpose-built service for distributing workloads. The load balancer in AWS increases the fault resilience and availability of an application. AWS ELB is the single point of contact to all the clients, it can be sent to the closest geographic instance or the instance with the least latency. Also, it distributes your workloads across several resources, such as a Virtual Server or Virtual Machine. The applications failover and availability will decrease due to this. The load balancer can also take care of your encryption and decryption and let your compute services do the essential work.

![Cloud Load BAlancing] (https://www.sndkcorp.com/wp-content/uploads/2020/05/image1.png)

##How does AWS Elastic Load Balancing work?##

The working principle of the AWS ELB is that it accepts incoming traffic from its clients and later routes those requests to the targets which the client wants. If it finds an unhealthy target, then it will stop redirecting the users there and then moves with the other healthy targets, until that target is declared healthy. To make an ELB accept incoming traffic, you have to configure it by specifying one or more listeners. A listener is a process which checks for connection requests.

Availability zones – You can enable Availability Zones for your AWS load balancer, by doing this a load balancer node is created in that Availability Zone. Enable multiple Availability Zones and also make sure that there is at least one registered target, such that the load balancer routes traffic there. One more advantage of having multiple AZs is that targets will allow the load balancer to route traffic to other targets when few targets fail.

![workflow of AWS Elastic Load Balance] (https://www.sndkcorp.com/wp-content/uploads/2020/05/image3.png)

##Advantages of AWS Elastic Load Balancing##

###1. High performing applications###
SNDK Corp provides the versatile AWS ELB service, which unlike other traditional counterparts, is simple and less expensive to implement. It can make your application work faster and deliver better performances, at lower costs.

###2. Increased scalability###
The AWS ELB can handle sudden spikes in traffic and can also handle millions of requests at a time. Whenever there is an increase in traffic, the auto-scaling feature is enabled and also load balancing rules is used to provide the users with an seamless performance. The ELB takes the help of the cloud’s agility and scalability to maintain website traffic.

###3. Highly Available###
AWS ELB distributes traffic among all the targets evenly, for example, several EC2(Elastic Compute) instances. Also, ELB has an SLA of 99.99%. No matter how large the request is, it can be widely distributed among different servers for generating maximum results in minimum response time.

###4. Business continuity with complete flexibility###
The objective of using a load balancer is to protect a website from sudden outages. When workload is distributed among various servers or network units, even if one node fails, the burden can be shifted to another active node. ELB lets you route traffic with the application’s IP address, this allows you to launch multiple applications in a single instance.

###5. Hybrid load balancing###
You can use the same ELB to balance across all applications on your on-premises setup and your [AWS infrastructure] (https://intellipaat.com/blog/tutorial/amazon-web-services-aws-tutorial/global-infrastructure/). This makes it very easy to migrate your application from on-premise to AWS cloud.

###6. Security###
ELB works with Amazon Virtual Private Cloud (VPC) to provide robust security features, including integrated SSL/TLS decryption, certificate management, and user-authentication. Together, it provides you with the flexibility to manage TLS settings centrally and offload CPU intensive workloads from your applications.

###7. Robust monitoring & auditing###
ELB allows you to monitor your applications and their performance in real-time with AWS Cloud Watch logging, metrics and request tracing. This improves the visibility into the behavior of your applications, identifying performance bottlenecks and uncovering issues in your application stack for an individual request.

**Would you like to know the simplification process of app development?**
[AWS APPSYNC : SIMPLIFYING APPLICATION DEVELOPMENT] (https://www.sndkcorp.com/blog/aws-appsync-quick-overview/)

##Conclusion##

So, based on the working of the AWS Elastic Load Balancer, we can note multiple benefits. The foremost being security, with the facility of numerous security features in load balancers on AWS. Also, the elastic load balancing capabilities ensures adaptability to rapid fluctuations in the network traffic patterns. Furthermore, deep integration with Auto Scaling helps in validating substantial application capacity for addressing different levels of application load without any manual intervention. High availability and flexibility are also some of the notable advantages in the case of elastic load balancing. Thus, with increased scalability, redundancy and other features of AWS ELB websites and web application traffic can easily be handled. This makes the AWS ELB service provided by [SNDK Corp] (www.sndkcorp.com) a one of a kind.

If your organization runs high-traffic websites or databases that receive a lot of queries, SNDK Corp’s [elastic load balancing service] (https://www.sndkcorp.com/aws-services/) delivers multiple advantages by optimizing resource use, response time and data delivery. In high-traffic environments, elastic load balancing is what makes user requests go smoothly and accurately. It spares users the frustration of wrangling with unresponsive applications and resources. It helps IT departments ensure scalability and availability of services. Its advance and unique traffic management functionality can help a business handle requests more efficiently and to the correct resources for each end-user.