Flow control and congestion control are same at that th...
多项选择题Flow control and congestion control are same at that they all limit the rate of the sender, but differ in that （）.
A.flowcontrollimitsitsratebythesizeofRcvWindow,butcongestioncontrolbythetrafficonthelink
B.congestioncontrollimitsitsratebythesizeofRcvWindow,butflowcontrolbythetrafficonthelink
C.flowcontrolmainlyisaccomplishedbythesender,butcongestioncontrolbythereceiver．
D.flowcontrolmainlyisaccomplishedbythereceiver,butcongestioncontrolbythelink．
