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‫So now let's talk about Amazon MQ.

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‫So we know about SQS and SNS

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‫and they're cloud-native services

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‫because they are proprietary protocols from AWS.

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‫They use their own sets of APIs.

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‫But if you are running traditional application on-premises,

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‫you may use open protocols

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‫such as MQTT, AMQP, STOMP, Openwire, WSS.

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‫And when you're migrating your application to the cloud,

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‫you may not want to re-engineer your application

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‫to use the SQS and the SNS protocols or APIs.

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‫So instead, you wanna use the traditional protocols

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‫you used to, such as MQTT, AMQP, and so on.

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‫So for this, we can use Amazon MQ.

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‫So Amazon MQ is very simple.

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‫It's a managed message broker service for two technologies,

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‫for RabbitMQ and for ActiveMQ.

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‫So RabbitMQ and ActiveMQ are, for example,

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‫on-premises technologies that provide you access

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‫to the open protocols I just mentioned.

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‫So then we can get a managed version of these brokers

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‫onto the cloud thanks to Amazon MQ.

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‫So as such, you can understand the implications.

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‫First of all, Amazon MQ doesn't scale as much as SQS or SNS,

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‫which have sort of like infinite scaling.

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‫And because Amazon MQ runs on servers,

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‫you may have server issues.

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‫And so you can run multi-AZ setup

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‫with a failover if you want to be highly available.

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‫Also, Amazon MQ comes with both a queue feature,

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‫so it looks like SQS,

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‫and topic features, it looks like SNS

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‫as part of a single broker.

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‫So Amazon MQ is going to be used only and only if

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‫a company is migrating to the cloud

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‫and needs to use one of these open protocols,

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‫such as MQTT, AMQP, STOMP, et cetera, et cetera.

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‫Otherwise, it should be using SQS and SNS

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‫because they scale a lot better

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‫and they're way more integrated

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‫with Amazon Web Services than Amazon MQ.

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‫So I hope that helps and I will see you in the next lecture.