Now that's a question I always wanted the answer to Chrysalis. I wonder if Ignition has the answer.
Did I do good?
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However I think I understand Ignition's response better than your follow-up question. To me a key point is that it is inevitable that 1 out of 10 people on a 10Mb pipe will at some point use up 10% (1mb) of the capacity. It must happen all the time! To use up 10% (10Mb) of a 100Mb pipe with a 100 users in it is more difficult. It requires 10 of those 100 users to be simultaneously using 1Mb of capacity. That will probably happen quite often, but not inevitably. For the other 90 users to be using the other 90Mb simultaneously is very unlikely, much less likely than the other 9 users using the remaining 9mb of a 10Mb pipe.
You asserted that Ignition said that smaller nodes were better. I didn't catch him saying that in this context so I don't know if he is being contradictory.
Your question about merging 4 segments so more customers have more space sounds sensible. 10 users within 8x18Mb channels sounds less advantageous than 40 using 32x18Mb channels.
I bet there is an engineering obstacle to this. I can't believe it hasn't occurred to VM.
BTW the 10 or so 200Mb trialists in Coventry were on a 1Gb pipe. A 10Gb pipe was held in reserve, but was never needed.