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Whats up with the jubilee line
On Jul 14, 9:55*pm, Tom Anderson wrote: On Tue, 14 Jul 2009, DW downunder wrote: "Mr Thant" wrote: On 13 July, 12:29, wrote: Why are train building and railway infrastructure companies constantly trying to re-invent the wheel? Why don't they just use one of the systems running happily on the central line or DLR for gods sake or has Not Invented Here Syndrome raised its ugly head again? It is the system from the DLR. .... *and we've had some threads looking at how the DLR handles temporary speed restrictions through a reboot of the computers, and reports of trains overrunning stops, etc. Seems the DLR system isn't as watertight or well-run as we'd thought. This is a standard cycle in IT. System is procured, procurement goes a bit wobbly, system is ********, people put up with it, a new procurement is started to replace it, but that doesn't get the money it needs, or the time, or the unified vision controlling it, or a good understanding of the problem, or it just turns out that the problem was harder than people think - oh and of course this time, it has to have some kind of backwards compatibility or handover relationship with the first. The new system is as ******** as the first, but in an exciting new way. People work like mad, money gets spent, and nobody ever gets a working solution. But IT folk make a packet. Trebles all round... |
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