Which facilities are provided by Amazon SQS?

Amazon SQS guarantees at-least-once delivery. Messages are stored on multiple servers for redundancy and to ensure availability. If a message is delivered while a server is not available, it may not be removed from that server’s queue and may be resent.

How do I use SQS queue?

Before you begin, complete the steps in Setting up Amazon SQS.

1. Step 1: Create a queue. The first and most common Amazon SQS task is creating queues.
2. Step 2: Send a message. After you create your queue, you can send a message to it.
3. Step 3: Receive and delete your message.
4. Step 4: Delete your queue.

What are message queue used for?

A message queue provides a lightweight buffer which temporarily stores messages, and endpoints that allow software components to connect to the queue in order to send and receive messages. The messages are usually small, and can be things like requests, replies, error messages, or just plain information.

What is 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.

What is a fully managed message queue?

Fully managed message queues for microservices, distributed systems, and serverless applications. 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.

What is the difference between a standard queue and a FIFO queue?

FIFO queues provide exactly-once delivery, while standard queues provide at-least-once delivery. SQS is compatible with other Amazon Web Services, including Amazon Relational Database Service, Amazon Elastic Compute Cloud and Amazon Simple Storage Service.

How do I use Amazon SQS with AWS KMS?

You can use Amazon SQS to exchange sensitive data between applications using server-side encryption (SSE) to encrypt each message body. 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.