Description
坚如磐石――可靠性
桌面操作系统与RTOS相比，另一个差别就是对于稳定性、可靠性方面的设计思路。一方面，桌面操作系统比较庞大、复杂，而RTOS比较小巧、简捷，而“越简单、越可靠，越复杂、故障概率越大”这又是一个常理。另一方面，更重要的是：桌面操作环境与嵌入式环境在设计思路上有一个重大的不同——桌面环境假定应用软件与操作系统相比而言可以是不可靠的，而嵌入式环境假定应用软件与操作系统一样可靠。
运行于嵌入式环境中的RTOS要求应用软件具有与操作系统同样的可靠性，这种设计思路对应用开发人员提出了更高的要求，同时也要求操作系统自身足够开放。
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