当实时调度应用于实际的任务系统时，仅能使用有限的优先级数量。
But in practical tasks, system only limited priority levels could be used.
CFS没有使用优先级数组，它去掉了vanilla调度程序的数组切换工件。
CFS does not use a priority array, and it does away with the array-switching artifact of the vanilla scheduler. A few important differences between RSDL and CFS.
调度器使用了两个优先级数组，即活动数组和过期数组，可以通过指针来访问它们。
The scheduler USES two priority arrays, namely active and expired arrays, that are accessed through Pointers.
整数指定优先级，这样，当数个keep特性发生冲突时，优先级数字最大的居先。
Integers specify a priority so if several keep properties are in conflict, the one with the highest numeric priority takes precedence.
当网络负荷超载时，网络枢纽控制器就会通过丢弃一些低优先级的数据，来保证高优先级数据的实时性。
When the network is overloading, the Central network Control Unit can perceive it and dropout some low priorities fluent to keep the real time behavior of high priorities fluent.
对于大多数操作，红黑树的执行时间为O(logn)，而以前的调度程序通过具有固定优先级的优先级数组使用 O(1)。
The red-black tree is O(log n) in time for most operations, while the previous scheduler employed O(1), using a priority array with a fixed number of priorities.
对于大多数操作，红黑树的执行时间为O(logn)，而以前的调度程序通过具有固定优先级的优先级数组使用 O(1)。
The red-black tree is O(log n) in time for most operations, while the previous scheduler employed O(1), using a priority array with a fixed number of priorities.
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