![]() All packets are successfully transmitted." įor the github repository of C++ implementation of the Selective Repeat Protocol along with other networking and TCP/IP protocol suite protocols, click here. receiver tell old packet from new in sliding window protocol (Selective Repeat) Ask Question. Int tmp1, tmp2, tmp3, tmp4, tmp5, i, windowsize = 4, noofPacket, morePacket įor(i = noofPacket - morePacket i noofPacket)Ĭout<<"\nNo acknowledgement for the frame "<<tmp5 Ĭout<<"\n Selective Repeat Protocol Ends. With this interactive animation, you can explore Selective Repeat Protocol, which provides reliable data transfer using selective acknowledgments, and both. The order of transmission will depend upon the acknowledgement timer and Timeout timer*/ There might be different order of transmission but the no of retransmissions are same. It is not hard to show that this transmit buffer size is sufficient to support a selective-repeat protocol regardless of the receive buffer size. Selective Repeat Protocol Demo (revised 2/2012) The sending window limits the sender to a maximum of 5 outstanding, unacked data packets. ![]() An alternative strategy, the selective repeat protocol, is to allow the receiver to accept and buffer the frames following a damaged or lost one. And for a lost data packet or acknowledgement slectively that data Why Selective Repeat Protocol The go-back-n protocol works well if errors are rare, but if the line is poor it wastes a lot of bandwidth on retransmitted frames. So if out of order packet arrives it's not taken in, if it's required in the receiver's buffer. Selective Repeat Automatic Repeat Request (ARQ) Protocol Go-Back-N ARQ simplifies the process at the receiver site. *In Selective Repeat Protocol, there is a window in sender's sideand a same sized receiver buffer.
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