Jan 3 2011

So, while doing some research on cable-modems yesterday, I discovered that they have notoriously large transmission buffers. Now, having previously determined that overlarge transmission buffers were bad, I set out to see what I could do about it.

Turns out that the answer is “a whole lot”.

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Dec 30 2010

About 15 years ago, an improved Internet Protocol was developed called IPv6. Among the improvements was an vast increase in the number of usable Internet addresses (IP Addresses) because – you know – we were going to run out eventually; and before very long, it seemed at the time.

However, being the ingenious sods that we sometimes are – as a species – we managed to cook up a number of “Plan-B”s to buy us more time in which to act.

And then we took that time, we squandered it, and ultimately we lost it.

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Under ideal circumstances the Internet’s TCP protocol finds the best effective throughput between the two connection endpoints.

Unfortunately, it turns out that numerous ‘improvements’ in routers have actually made conditions significantly less than ideal, leading to a situation where TCP isn’t able to achieve optimal throughput and – under real-world conditions – winds up operating in a very substandard sort of way.

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So, you’ve got a fast Internet connection, but you’re either not getting that speed or you’re not getting that speed to certain sites or services. You’ve got a 50Mbps connection, but some services claim that your connection is “too slow” and disconnect you. Why is that?

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