Then the utility would need to physically repair or replace each meter to return it to normal operation.

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The preempted traffic light returns to normal operation within a cycle or two.

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Under the best-case scenario, the utility would simply push a firmware update across the standard wireless network to all the affected meters, overwrite the worm, and return the meters to normal operation.

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The airline's chief executive Willie Walsh said he was pleased with the decision, but said it would take weeks to get back to normal levels of operation.

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"We now have the funds to continue the normal operation of our businesses and develop a restructuring plan that will result in a viable, successful LTV, " LTV Chief Executive William H.

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It can be a tricky algorithm because you might need a deep queue in normal operation to smooth out momentary bursts of traffic.

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