Although frame relay lessens the overhead of link retransmission, frame relay still requires that the voice traffic cross many physical paths.
Although frame relay lessens the overhead of link retransmission, frame relay still requires that the voice traffic cross many physical paths.
虽然帧中继减少了链路重发传输的开销，但帧中继仍需要话音通信穿过多个物理通道。