> For the complete documentation index, see [llms.txt](https://notes.radifine.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://notes.radifine.com/aws/other-aws-services/aws-messaging-services.md).

# AWS Messaging Services

AWS SNS and AWS SQS are the two messaging services provided by Amazon Web Services. 

Both have use cases to be used to be integrated for applications for messaging

Example: Using Amazon SNS, messages are being subscribed to a topic which based on business logic can be queued to appropriate Lambda function as trigger

<figure><img src="/files/Ew9gMuQR16YO9YiukpJN" alt=""><figcaption><p>Source: <a href="https://miro.medium.com/v2/resize:fit:720/format:webp/1*Zh0muEji5v4nKw60pUeMAA.png">https://miro.medium.com/v2/resize:fit:720/format:webp/1*Zh0muEji5v4nKw60pUeMAA.png</a></p></figcaption></figure>

Another example can also be illustrated as follows:

<figure><img src="/files/vaFVcDBeLp05s9CbeQhg" alt=""><figcaption><p>Source: <a href="https://media.amazonwebservices.com/blog/sns_sqs_image_proc_2.png">https://media.amazonwebservices.com/blog/sns_sqs_image_proc_2.png</a></p></figcaption></figure>

Order Fulfilment at eCommerce site:

<figure><img src="/files/o9TbjmgdL4YSHhjkv5xz" alt=""><figcaption><p>Source: <a href="https://www.slideshare.net/JungHakLee4/awskrug-aws-sns-sqs-and-ses">https://www.slideshare.net/JungHakLee4/awskrug-aws-sns-sqs-and-ses</a></p></figcaption></figure>