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device categories - initial draft #70

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device categories - initial draft #70

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initial draft
mlagally Feb 25, 2021
c4b57d1
adding categories
mlagally Mar 4, 2021
c88bf91
adding categories
mlagally Mar 4, 2021
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Expand Up @@ -595,6 +595,32 @@ <h3 id="profile-description-methodology">Methodology</h3>
</section>
</section>

<section id="device-categoriesdevices">
<h2>Device Categories</h2>
<p>
In a deployment of WoT conforming to the <a href="https://www.w3.org/TR/wot-architecture/#architecture-abstract">WoT Abstract Architecture</a>
we see different device types with typical characteristics.
They range (sorted in the order of footprint and capabilities)
from small embedded <em>node</em> devices to <em>gateways</em> or <em>hubs</em>
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small does not imply resource constrained. Constrained or resource constrained embedded devices (like field devices) is more common.

to powerful <em>edge</em> devices and <em>cloud</em> servers.
Interoperability between these devices implies that a core set of features and functionalities
is available on <em>all</em> of them.
</p>

<p>The following device categories describe the footprint and characteristics of typical representants of these classes.
This is used to identify the possible features and use cases for these device classes.

<ul>
<li>Node - endpoint with typically 64-128 KB of RAM</li>
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node only is unspecific. resource constrained node

typically 64-128 KB of RAM

I'm not sure about such a range. I would simple say typically KB of RAM

<li>Gateway/Hub - intermediate node, typically a few MB of RAM</li>
<li>Edge - </li>
<li>Cloud - multiple CPUs, virtualisation, large storage</li>
</ul>

</p>
</section>



<!-- <a>Core Profile</a> -->

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