1·The most common mode in PIM is the spae mode.
最常见的模式在PIM预示模式。
2·Dee mode, in contrast to spae mode, is used when it is expected that a large proportion of the potential nodes will subscribe to the multicast.
迪模式，预示模式相比，使用时预计的一大部分潜在的节点将订阅多播。
1·Dee mode, in contrast to spae mode, is used when it is expected that a large proportion of the potential nodes will subscribe to the multicast.