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few more slides

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Paul Warren 2021-10-06 20:39:47 +11:00
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@ -24,17 +24,29 @@
</section> </section>
<section><h2 style="color:red">! WARNING !</h2> <section><h2 style="color:red">! WARNING !</h2>
<p>I am not a network engineer</p> <p>I am not a network engineer, there are gaps in my knowledge</p>
<p>The words I use might not be the correct ones</p>
<p>Please don't blame me if your network stops networking</p> <p>Please don't blame me if your network stops networking</p>
<p class="fragment">Maybe don't go and try building an ISP based off this talk :)</p> <p class="fragment">Maybe don't go and try building an ISP based off this talk :)</p>
</section> </section>
<section><h2>How it started</h2> <section><h2>How it started</h2>
<p>Keep having fun</p> <p class="fragment">One subnet</p>
<p>Don't interfere with other network users</p>
<p class="fragment">One flat network</p>
<p class="fragment">Standard tech shop router with defaults</p> <p class="fragment">Standard tech shop router with defaults</p>
<p class="fragment">Made mistakes that broke critical applications</p>
<aside class="notes">
<p>usual 192.168.0.0/24</p>
<p>Such as netflix and iview</p>
</aside>
</section> </section>
<section><h2>So where to from here?</h2>
<p class="fragment">linux can do VLANs, lets see if that helps!</p>
<aside class="notes">
<p>It did!</p>
</aside>
</section>
<section><h2>What even is a network</h2> <section><h2>What even is a network</h2>
<p class="fragment fade-in-then-out">Ethernet?</p> <p class="fragment fade-in-then-out">Ethernet?</p>
@ -51,17 +63,24 @@
<section><h2>Managed network?</h2> <section><h2>Managed network?</h2>
<p class="fragment"><b>Controls</b> connections between computers</p> <p class="fragment"><b>Controls</b> connections between computers</p>
<p class= "fragment"><b>Scales</b> connections between computers</p> <p class="fragment"><b>Scales</b> connections between computers</p>
<p class="fragment"><img src="3tier.png" /><p> <p class="fragment"><img src="3tier.png" /><p>
<aside class="notes"> <aside class="notes">
Diagram is nice, but hides complexities at each layer. <p>Most of us probably work in a managed network</p>
<p>Diagram is nice, but hides complexities at each layer.<p>
</aside> </aside>
</section> </section>
<section><h2>Layers!</h2> <section><h2>Layers!</h2>
<p>Like an onion!</p> <p class="fragment">Like an onion!</p>
<p>That 7 layer thing</p> <p class="fragment">That 7 layer thing from the OSI</p>
<p class="fragment">Administrative overlays</p>
<p class="fragment">VPNs/Tunnelled
<aside class="notes">
<p>or a parfait</p>
<p>which you can mostly ignore, as what we have doesn't conform to it. But it does provide a good framework for assisting understanding</p>
</section> </section>
<section><h2>The Problems</h2> <section><h2>The Problems</h2>
<p class="fragment"> <p class="fragment">
<p class="fragment">VLAN</p> <p class="fragment">VLAN</p>