From: "Forrest Christian (List Account)" <lists@packetflux.com>
To: Microcontroller discussion list - Public. <piclist@mit.edu>
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Date: Tue, 17 Nov 2020 23:50:01 -0800
Subject: Re: [EE]: How to find & hire firmware people
Thread-Topic: [EE]: How to find & hire firmware people
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On Tue, Nov 17, 2020 at 4:30 PM Neil Cherry <ncherry@linuxha.com> wrote:

> This terminology is getting worse and having less meaning. Serverless
> servers?


Actually "Serverless"  is a pretty accurate term, and I'm starting to
experiment with it with MQTT messaging from the embedded world.

In short serverless just says that you tell your cloud provider (Amazon
AWS, Google Cloud, Microsoft Azure), etc. what you want it to do and don't
worry about the underlying servers at all.   I.E. things like "When you get
a temperature reading via MQTT from a device, stick it in a database".
Then another serverless service could say 'if you see a temperature over a
certain amount, send an email', and so on.

Because you're paying per transactions it can be really cheap...for
instance, AWS costs $1 per million MQTT messages.   So if you have a device
that sends data once a minute it's going to cost you around 4 cents per
month for message reception for that device.    Oh and just over 4 cents
per *year* to maintain the connection to the device.   And you'll end up
paying for the database storage, etc.   Yes it can add up, but generally at
least at the low end it's cheaper than running a full server infrastructure
for services like this.   Plus you don't have to think about how you're
going to manage the underlying services.

--=20
- Forrest
--=20
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