WebReliable Data Bank Protocols: Pipelined (Selective Repeat) Stop-and-Wait the called Stop-and-Wait since the sender has to wait until the acknowledgement for the one outstanding packet arrives or until the timeout for the single excellence packe expires. In a cases, this means that the sender can be idle for a large fraction von the time. WebMar 2, 2024 · Selective reject (SREJ): If the value of the code subfield is 11, it is an SREJ S-frame. This is a NAK frame used in Selective Repeat ARQ. Note that the HDLC Protocol uses the term selective reject instead of selective repeat. The value of N(R) is the negative acknowledgment number. Here's the full link. Link
Difference Between Go-Back-N and Selective Repeat …
WebJul 11, 2024 · The selective repeat ARQ is one of the Sliding Window Protocol strategies that is used where reliable in-order delivery of the data packets is required. The selective … WebTCP is different from selective repeat because SR requires individual acknowledgement of each packet that was sent by the receiver; but rather than selectively ACKing every packet, TCP sends an ACK for the next packet that it is expecting (like GBN) and buffers the ones that it has received so far, even if they're out of order (like SR). hose ball stopper
Selective repeat protocol for file transferring - Stack Overflow
WebSelective Repeat Protocol Demo (revised 2/2012) The sending window limits the sender to a maximum of 5 outstanding, unacked data packets. To create new data packets, click … WebProblem-03: The selective repeat protocol is similar to Go back N except in the following way-. The sender has a window defining maximum number of outstanding frames in both the protocols. Both uses piggybacked acknowledgements where possible and does not acknowledge every frame explicitly. WebMay 3, 2024 · Selective Repeat – Sender window size W s = N Receiver window size W r = N Sequence Number ≥ N + N Uses only independent acknowledgement Can Accept out of order packets Packet Loss ? Resend only the lost packet after timeout Acknowledgement loss ? Resend if not receive before timeout Efficiency = N/ (1+2a) where a = T p / T t … hose ban in hampshire