Amazon Simple Queue Service (SQS)

Amazon Simple Queue Service (SQS) is a fully managed message queuing service that enables you to decouple and scale microservices, distributed systems, and serverless applications. SQS eliminates the complexity and overhead associated with managing and operating message-oriented middleware and empowers developers to focus on differentiating work.

With SQS, you can send, store, and receive messages between software components at any volume, without losing messages or requiring other services to be available.

Some Key fundamentals of Amazon SQS:

• It’s a web service that gives you access to a message queue that can be used to store messages while waiting for a computer to process them.
• Amazon SQS is a distributed queue system that enables web service applications to quickly and reliably queue messages that one component in the application generates to be consumed by another component where a queue is a temporary repository for messages that are awaiting processing.
• With the help of this SQS, we can send, store and receive messages between software components at any volume without losing messages.
• Any component of a distributed application can store the messages in the queue.
• Messages can contain up to 256KB of text in any format.
• Any component of an application can later retrieve the messages programmatically using the Amazon SQS API.
• If we got 2 EC2 instances that are pulling the SQS queue. We can configure the auto-scaling group if a number of messages go over a certain limit. Suppose the number of messages exceeds 10, then we can add an additional EC2 instance to process the job faster. Thus SQS is elastic.

Benefits of SQS

1. Eliminate admin overhead:

• AWS manages all ongoing operations and underlying infrastructure needed to provide a highly available and scalable message queuing service. With SQS, there is no upfront cost, no need to acquire, install, and configure messaging software, and no time-consuming build-out and maintenance of supporting infrastructure.

2. Reliably deliver messages:

• SQS lets you decouple application components so that they run and fail independently, increasing the overall fault tolerance of the system.

3. Keep sensitive data secure:

• Amazon SQS SSE integration with AWS Key Management Service (KMS) allows you to centrally manage the keys that protect SQS messages along with keys that protect your other AWS resources.

4. Scale elastically and cost-effectively:

• Amazon SQS leverages the AWS cloud to dynamically scale based on demand. SQS scales elastically with your application so you don’t have to worry about capacity planning and pre-provisioning. There is no limit to the number of messages per queue, and standard queues provide nearly unlimited throughput

Case Study: How redBus is benefited by this service.

Objective:

The company had previously run its operation from a traditional data center by purchasing and renting its system and infrastructure. The problem was the efficiency with which all the infrastructure was working. They had a lot of fluctuations along with many loopholes to fix and budgeting resources as well.

Here comes ……AWS!!!!

After testing the AWS solution on a small application for several months, the travel agency determined that it was very workable and convenient.

The company has incorporated many of the AWS products into its solution, including Amazon Elastic Compute Cloud (Amazon EC2), Elastic Load Balancing, Amazon Relational Database Service (Amazon RDS), Amazon Simple Storage Service (Amazon S3), Amazon Elastic Block Store (Amazon EBS), and Amazon CloudWatch.

“..with features like Elastic Load Balancing and multiple availability zones, AWS provides the required infrastructure to build for redundancy and auto-failover. When you incorporate these in your system/application design, you can achieve high reliability and scale”

~ Charan Padmaraju, Cheif Technology Officer,redBus

The travel agency corp. anticipates expanding the AWS solution to include Amazon Simple Notification Service (SNS) and Simple Queue Service (SQS) for monitoring alerts, and intercommunication.

“Amazon SQS is an especially good solution for enabling messaging between external applications and our applications,”

~ Charan Padmaraju

Hope you had a great read. Thanks.

I duly thank Mr. Vimal Daga and his team for their guidance and team throughout this process of learning.

Looking forward to learning even further and share opportunities for the same.

Adios.

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