蓝牙core spec v4.0研读笔记（一）

1.     Broadcast links have no feedback route, each packet is transmitted several times to increase the probability that the receiver is able to receive at least one of the copies successfully. So these links are considered unreliable.即广播连接没有反馈的回路，每个包都是通过多次的传输来使得接受者至少又一次能够收到正确的包，这种连接时不可靠的。1.     Broadcast