Joe, People in glass houses should not throw stones. You know from your own experience within various Telco's and ISP's that while a state of system nirvarna and continuous operation is highly desirable, sometimes the reality falls short of these goals. Roger De Salis Joe Abley wrote:
Interesting comment in today's Herald:
The question being asked in telecommunications circles is, how did it happen? Such systems are supposed to be fail-safe.
Had a contractor put a digger through a fibre optic cable servicing the exchange, everyone would have understood.
But not so the failure of a complex marriage of computer equipment from several international suppliers.
Protecting the network from backhoe surgery is easy -- you just throw in diverse paths around any potential single point of failure.
A "complex marriage of computer equipment from several international suppliers" on the other hand sounds like a recipe for disaster :)
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-- \_ Roger De Salis Cisco Systems NZ Ltd