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	<title>teamsiems &#187; router</title>
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		<title>A Universal Principle in Routers</title>
		<link>http://teamsiems.com/2009/07/a-universal-principle-in-routers/</link>
		<comments>http://teamsiems.com/2009/07/a-universal-principle-in-routers/#comments</comments>
		<pubDate>Tue, 14 Jul 2009 19:54:06 +0000</pubDate>
		<dc:creator>Chris</dc:creator>
				<category><![CDATA[Personal]]></category>
		<category><![CDATA[documentation]]></category>
		<category><![CDATA[router]]></category>
		<category><![CDATA[theory]]></category>

		<guid isPermaLink="false">http://teamsiems.com/?p=283</guid>
		<description><![CDATA[Several years ago, after I got my first router, I posted this on my Geocities page. Geocities is closing in October 2009, so I pulled it off and posted it here. I&#8217;m still struck by the profound notion of a &#8230; <a href="http://teamsiems.com/2009/07/a-universal-principle-in-routers/">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
			<content:encoded><![CDATA[<p><em>Several years ago, after I got my first router, I posted this on my Geocities page. Geocities is closing in October 2009, so I pulled it off and posted it here.</em></p>
<p><img class="alignleft size-full wp-image-285" title="mosthubs" src="http://teamsiems.com/wp-content/uploads/2009/07/mosthubs.gif" alt="mosthubs" width="278" height="462" />I&#8217;m still struck by the profound notion of a universal principle, which I have to say was discovered by application of another universal principle, which again, relates to a not-so-universal principle. With me so far? I think this would be best illustrated through the use of an anecdote &#8211; so humor me for a moment and try to pay attention.</p>
<p>One day I was starring at my computer-network&#8217;s hardware, specifically the cable-modem and router. Then I was struck by the thought of what I remembered about the router: it can be &#8216;daisy-chained&#8217; together with more routers &#8211; within a limit &#8211; to produce a massive network. I think logically in stream-of-consciousness thinking so what was my next logical thought. Of course, how many routers in a limit &#8211; or what is the limit. Well that was easy, 255. It said it in the manual. But, this wouldn&#8217;t be a story if it ended there. I wondered &#8216;how&#8217; to get to 255 and what is the significance of one path over another. Is one path more efficient than another? Check out my chicken scratch below for two possible daisy-chains.</p>
<p><img class="size-full wp-image-286 alignleft" title="leasthubs" src="http://teamsiems.com/wp-content/uploads/2009/07/leasthubs.gif" alt="leasthubs" width="278" height="462" />My conclusion was that the chain with more routers should be less efficient, but what proof could I offer to justify this conclusion? Another mystery had arisen. A mystery which lead to this paper. My proof comes from the first universal principle: action = reaction (to paraphrase). Then I started thinking about this principle, and why I thought it was the answer. What I concluded (about my method of conclusion on the universal principle) is the not-so-universal principle: it seems reasonable because I cannot think of another explanation nor a contradiction. All I came up with were euphemisms or the same universal principle. A eureka moment. I realized that I had stumbled upon a universal principle. So am I wrong or do these phrases echo the same thought: equal and opposite reaction, yin and yang, give and take, do unto others as you would have them do unto you!</p>
<p>So, I can justify my conclusion by saying that more routers means more signals passing through the same ending wires (per second) means more collisions means less efficient; more take equals less give.</p>
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