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I'm not so convinced "very few" users see congestion. NTL seem to need to do resegmentation on a frequent basis and there are many UBRs which seem to struggle.
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Can't sit idly by on this one.
Are you going to produce any evidence to back this up, other than your own experience (admittedly poor, but unrepresentative)? Here's a clue for you - your personal experience cannot be scaled up to a network of 1.3m users and remain accurate - you have to have the information and view that people like Ignition and I have to get near that.
You've been told frequently that large amounts of investment has gone in, I can detail it for you if you like. There's vastly more capacity than there was this time last year even, there's a greater understanding of UBR congestion and imbalance issues (the latter was more of a problem than the former) and resegmentation is a weekly event - this is because we can predict and track incipient problems and fix them before they become apparent to users.
There's nothing bad about frequent maintenance, quite the reverse, what you shouldn't do is leave the thing untouched till it starts to struggle. Regular maintenance is better than irregular maintenance is better than no maintenance. Basic rule of network management.
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Where there has been little or no cash
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Pur-lease. MC28Us and new UBR chassis obviously grow on trees, something I hadn't realised.
BB (who found *six* new UBRs on his network scan last night)
Bah - Ig got in while I was typing this.