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Is the data from the devices being published to the same Topic as 1 payload or two? You may have to send the payload to TimeStream and write lambda to do the ETL and send the data to EC2.
I don't think I understand, but if you are taking about ros topic then, it's the same topic
Hi. Are your devices using AWS IoT Core? I think Bahram was referring to MQTT topics in the context of devices connecting to AWS IoT Core.
I'm a little unclear whether you have precisely 2 devices, or whether you need to group data in pairs more generally. And also a little unclear on the timing of messages from your devices, and hence how you would pair them up. With the disclaimers out of the way, Device -> AWS IoT Core -> AWS IoT Core rules engine -> SQS -> EC2 is likely a solid candidate.
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Could you explain what is the need for "merging" the data from the 2 devices? Are there only 2 devices, or can there be N devices? If merging is needed, what is the merging criteria?