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Originally Posted by ianathuth
It's nothing to do with contention really. If you have the eight or ten 1Mb users maxing out their upstreams it satutares the upstream channel which is less than 2000kb after you have taken DOCSIS overheads into account. Once that point is reached it starts to affect the downstream as everything being downloaded has to have data passing on the upstream and that is already saturated. You could have a situation where the uploaders who are maxing out the upstream channel are not downloading (leaving their p2p software running for others to download from them) and only a few other users are on that card and trying to download but find their downloads seriously restricted. Robin Walkers post is worth reading at http://www.nthellworld.com/forum/sho...2&postcount=15 |
Thanks for the link. Heavy stuff from the 'wise man' himself but interesting none the less.
However even having read this posts (and understood a tiny fraction of it) I would _still_ maintain that the claim that 5% of 'heavy users' take uo 80% of the bandwidth or cause 80% of the congestion is at best grossly misleading and imo intentionaly so.
from Robin's post
"When we buy a train ticket, we don't get a train to ourselves. Sometimes, according to the behaviour of other customers, we don't even get a seat."
In this senario do we claim that 5% of the people on the train (that use the train when it is not packed almost continusly) do not get blamed for causing 80% of the congestion on the train when it is packed (or that they use 80% of the seats) . When it is packed they cause the same amount of congestion as every other passenger. No more, no less.
It is this constant claim that the telcos use that 5% are responsible for 80% etc that I am trying to debunk, nothin more and nothing less.
If there is a flaw in my use of Robin's analogy then I would genuinely like to know where it is because I can not see it and if it's there I would dearly love to be able to see it.