4301-MBP-DFCM冗余，指重复配置系统的一些部件，当系统发生故障时，冗余配置的部件介入并承担故障部件的工作，由此减少系统的故障时间.模块化冗余是指将系统构成上采用复式模块化结构[1]，当一部件出现故障时，可自动或人工重构结构，由另一部件替代故障部件工作，系统降级使用，除故障部件外，其余部分仍保持正常运行。4301-MBP-DFCM冗余技术就是增加多于的设备，以保证系统可靠地工作。模块化冗余是指将系统分层不同的功能模块，并采用冗余技术。
4301-MBP-DFCM
当系统某个功能模块出现故障时，用冗余功能模块结构代替出故障的模块，使系统正常工作。模块化冗余是一种动态冗余技术，屋于硬件冗余范畴。动态冗余是指采用标准模块配置工作，一旦检测与诊断出故障发生的位置,系统能进行重组或恢复，并继续正常运行。4301-MBP-DFCM以检测或屏蔽故障为目的而添加一定硬件设备的方法。常见的方法如下:硬件容错方法之一是硬件堆积冗余，在物理级可通过元件的重复而获得如相同元件的串、并联，四倍元件等。另一硬件容错的方法叫待命储备冗余。
4301-MBP-DFCM
该系统中共有M+1个模块，其中只有一块处于工作状态，其余M块都处于待命接替状态。一旦工作模块出了故障，立刻切换到一个待命模块，当换上的储备模块发生故障时，又切换到另一储备模块，直到资源枯竭，显然，这种系统必须具有检错和切换的装置。4301-MBP-DFCM混合冗余系统是堆积冗余和待命储备冗余的结合应用。当堆积冗余中有一个模块发生故障时，立刻将其切除，并代之以无故障待命模块。这种方法可达到较高的可靠性。
4301-MBP-DFCM
4301-MBP-DFCM redundancy refers to the repeated configuration of some components in a system. When a system fails, the redundant components intervene and take on the work of the faulty components, thereby reducing the system’s failure time. Modular redundancy refers to the use of a duplex modular structure in the system structure. When a component fails, the structure can be automatically or manually reconstructed, and another component can replace the faulty component to work. The system is downgraded for use, except for the faulty component, The remaining parts still operate normally. 4301-MBP-DFCM redundancy technology is to add more equipment to ensure the reliable operation of the system. Modular redundancy refers to layering the system into different functional modules and adopting redundancy technology.
4301-MBP-DFCM
When a functional module of the system malfunctions, a redundant functional module structure is used to replace the faulty module, ensuring that the system operates normally. Modular redundancy is a dynamic redundancy technology that falls under the category of hardware redundancy. Dynamic redundancy refers to the use of standard module configurations for operation. Once the fault location is detected and diagnosed, the system can be reorganized or restored and continue to operate normally. 4301-MBP-DFCM is a method of adding certain hardware devices for the purpose of detecting or shielding faults. Common methods are as follows: One of the hardware fault-tolerant methods is hardware stacking redundancy, which can be achieved at the physical level through the repetition of components, such as serial, parallel, quadruple components of the same component, etc. Another method of hardware fault tolerance is called standby reserve redundancy.
4301-MBP-DFCM
The system has a total of M+1 modules, of which only one is in working mode and the other M modules are in standby succession mode. Once the working module fails, it immediately switches to a standby module. When the replaced reserve module fails, it switches to another reserve module until resources are exhausted. Obviously, this system must have error detection and switching devices. The 4301-MBP-DFCM hybrid redundancy system is a combination of stacked redundancy and standby reserve redundancy. When a module in the stacked redundancy fails, immediately cut it off and replace it with a fault free standby module. This method can achieve high reliability.
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