Glossary term
What is SQS / SNS? Meaning for developers
SQS / SNS stands for Simple Queue Service / Simple Notification Service.
AWS managed queue / pub-sub. Example: SNS topic fans out to SQS queues.
Learn it properly · System DesignLesson 35: Queues vs Pub/Sub“One of you handles this” or “all of you get a copy”? Mix them up and orders go unpacked, or customers get five emails. Queues vs pub/sub, how real systems combine both, push vs pull, per-key ordering, and delete vs keep.