Method for backup switching spatially separated switching systems
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Abstract
A 1:1 redundancy is provided. An identical clone being assigned to each switching system that is to be protected as a redundant partner comprising identical hardware, software, and database. The transfer is done in a fast, secure, and automatic manner by a superimposed, real-time capable monitor which establishes communication to the switching systems that are arranged in pairs. The transfer to the redundant switching system is done with the aid of the network management and the central controllers of the two switching systems.
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Citations
22 Claims
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1-10. -10. (canceled)
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11. A method for backup switching spatially separated switching systems, comprising:
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providing a pair of switching system arranged in a one-to-one redundancy, the pair comprising; a first switching system in an active operating state, and a redundant switching system in a hot standby operating state; establishing a first communication between a real-time monitor and the first switching system; and changing over to the redundant switching system after a loss of the communication between the monitor and the first switching system. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification