Redundant duplication and duplicator for mutiple data area in telecommunication system
A communication system and redundant backup technology, applied in the field of communication switches, can solve the problems of inability to system fault-tolerant protection, insufficient redundancy, and inflexibility, and achieve the effect of flexible configuration and improved fault-tolerant performance.
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[0026] The redundancy backup method of the present invention means that there are multiple units in the system, including N primary data units A1, A2,..., An, and M backup data units B1, B2,..., Bm, in unit A1 There are a1 data areas in the A2 unit, a2 data areas in the A2 unit, and so on, there are N such units, the last unit is An, there are an data areas in the An unit, and Nx is equal to a1+a2+...an , Nx data areas are used as the main data area, there are b1 data areas in the B1 unit, b2 data areas in the B2 unit, and so on in M such units, the last unit is Bm, and there is bm in Bm Data areas, Mx is equal to b1+b2+...bm, and Mx data areas are used as spare data areas.
[0027] The data area can be backed up between the main and standby data areas. The entire Nx+Mx data area resources are managed by a main control unit Z, which has high reliability and redundancy measures. At a certain moment of system operation, at most N units in the Nx+Mx system can perform actual servic...
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