Method for protection switching of geographically separate switching systems
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United States of America Patent
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Jan 3, 2012
Grant Date -
Jun 21, 2007
app pub date -
Aug 26, 2004
filing date -
Dec 12, 2003
priority date (Note) -
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Abstract
A protocol is provided being executed with a redundancy of 1:1. As a result, an identical clone, with identical hardware, identical software and an identical data base, is allocated to each switching system to be protected, as a redundancy partner. Switching is carried out in a quick, secure and automatic manner by a superordinate, real-time enabled monitor which establishes communication with the switching systems which are arranged in pairs. In the event of communication loss with respect to the active communication system, real-time switching to the redundant switching system is carried out.
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