<p><b>@danpetry</b> commented on this pull request.</p>

<hr>

<p>In <a href="https://github.com/RIOT-OS/RIOT/pull/10162#discussion_r269659790">doc/memos/rdm-draft-petry-riot-design-goals.md</a>:</p>
<pre style='color:#555'>> +modular as possible so unused features don't use up precious RAM or flash.
+Almost all features are provided as optional modules that have to be enabled
+explicitly at compile time.  A minimal RIOT configuration starts at around
+<2KiB flash and <1.5KiB RAM (including stack space for one thread and ISRs).
+
+Starting from there, the memory usage depends on the enabled features:
+
+- Non-networked control loop / sensing applications can fit on very small MCUs
+(eg., an Atmega328P with 2KiB RAM)
+- 6lowPAN networking currently starts at ~40KiB ROM and ~10KiB RAM
+- A 6lowpan enabled CoAP server requires ~60KiB ROM and ~15KiB RAM
+- a file system adds ~15 KiB ROM and ~2 KiB RAM
+
+#### Constrained networking
+
+RIOT should deliver best-in-class communication robustness and
</pre>
<p>removed "best in class" as suggested</p>

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