SNS

how to do fan-out and fan-in with AWS Lambda

In the last post, we look at how you can imple­ment pub-sub with AWS Lamb­da. We com­pared sev­er­al event sources you can use, SNS, Kine­sis streams and DynamoDB streams, and the trade­offs avail­able to you. Let’s look at anoth­er mes­sag­ing pat­tern today, push-pull, which is often referred to as fan-out­/­fan-in. It’s real­ly two sep­a­rate pat­terns …

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What is the best event source for doing pub-sub with AWS Lambda?

AWS offers a wealth of options for imple­ment­ing mes­sag­ing pat­terns such as pub-sub with Lamb­da, let’s com­pare and con­trast some of these options. The pub-sub pat­tern Pub­lish-Sub­scribe (often short­ened to pub-sub) is a mes­sag­ing pat­tern where pub­lish­ers and sub­scribers are decou­pled through an inter­me­di­ary bro­ker (ZeroMQ, Rab­bit­MQ, SNS, etc.). SNS + Lamb­da In the AWS ecosys­tem, the obvi­ous …

What is the best event source for doing pub-sub with AWS Lamb­da?Read More »

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