For additional redundancy, the two central switches each have two Gigabit Ethernet-trunked connections to three more CoreBuilder 9000 switches.

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Additional feeder redundancy also ensures reserve capacity to sustain power if multiple feeders fail.

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Now users can also use Active Copy to automatically backup key files from one Pogoplug to another off-site Pogoplug, for additional safety and redundancy.

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Inevitably, considerable redundancy and additional costs will be entailed as the several services are obliged to perform work heretofore done by a single center.

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She said the authority had since apologised to staff, offered to reimburse them for any additional costs and sent out the redundancy letters by email.

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It will also require the United States to make substantial additional investments in its nuclear forces in order to give its smaller deterrent arsenal the redundancy and military effectiveness that it has at present.

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