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rocksolid / Linux / It must be a cold day in hell

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o It must be a cold day in hellGuest

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Subject: It must be a cold day in hell
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https://techcrunch.com/2018/04/16/microsoft-built-its-own-cu
stom-linux-kernel-for-its-new-iot-service/


Microsoft built its own custom Linux kernel for its new IoT
service
Frederic Lardinois @ / 1 day

At a small press event in San Francisco, Microsoft today
announced the launch of a secure end-to-end IoT product that
focuses on microcontroller-based devices -- the kind of
devices that use tiny and relatively low-powered
microcontrollers (MCUs) for basic control or connectivity
features. Typically, these kinds of devices, which could be
anything from a toy to a household gadget or an industrial
application, don't often get updated and hence, security
often suffers.

At the core of Azure Sphere is a new class of certified
MCUs. As Microsoft president and chief legal officer Brad
Smith stressed in today's announcement, Microsoft will
license these new Azure Sphere chips for free, in hopes to
jump-start the Azure Sphere ecosystem.

Because it's hard to secure a device you can't update or get
telemetry from, it's no surprise that these devices will
feature built-in connectivity. And with that connectivity,
these devices can also connect to the Azure Sphere Security
Service in the cloud.

Now, you probably assume that these devices will run
Windows, but you're wrong. For the first time ever,
Microsoft is launching a custom Linux kernel and
distribution: the Azure Sphere OS. It's an update to the
kind of real-time operating systems that today's MCUs often
use.

Why use Linux? "With Azure Sphere, Microsoft is addressing
an entirely new class of IoT devices, the MCU," Rob
Lefferts, Microsoft's partner director for Windows
enterprise and security told me at the event." Windows IoT
runs on microprocessor units (MPUs) which have at least 100x
the power of the MCU. The Microsoft-secured Linux kernel
used in the Azure Sphere IoT OS is shared under an OSS
license so that silicon partners can rapidly enable new
silicon innovations." And those partners are also very
comfortable with taking an open-source release and
integrating that with their products.

To get the process started, MediaTek is producing the first
set of these new MCUs. These are low-powered, single-core
ARM-A7 systems that run at 500MHz and include WiFi
connectivity as well as a number of other I/O options.

As far as the open ecosystem goes, Smith also stressed that
the devices can be used with services that run on any other
cloud, no matter whether that's AWS or the Alibaba Cloud.

Interestingly, Amazon's AWS unit announced a somewhat
similar project at its re:Invent conference last year. It's
probably no surprise that these large cloud providers are
interested in MCUs, given that while the devices themselves
are not bound to any cloud, the only way to get the full
value out of them is in combination with cloud services,
whether that's for authenticating new devices, updating
operating systems or managing the software that runs on
them.

Posted on RetroBBS II


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