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TitleSliding window Protocol Go Back N
LevelUnder Graduate
Course:Networking
Summary:Go-Back-N is a specific instance of the Automatic Repeat-reQuest (ARQ) Protocol, in which the sending process continues to send a number of frames specified by a window size even without receiving an ACK packet from the receiver. The receiver process keeps track of the sequence number of the next frame it expects to receive, and sends that number with every ACK it sends. If a frame from the sender does not reach the receiver, the receiver will stop acknowledging received frames. Once the sender has sent all of the frames in its window, it will detect that all of the frames since the first lost frame are outstanding, and will go back to sequence number of the last ACK it received from the receiver process and fill its window starting with that frame and continue the process over again. The sending window size must be the number of sequence numbers (if they are numbered from zero to n-1) to verify transmission in cases of any packet (any data or ACK packet) being dropped.
KeywordsSliding window Protocol Go-Back-N
Language: English
  
Credits
IDD writer:Veedhi Desai ,Amitendu Panja
Mentor:Prof. Sridhar Iyer
Developer:Pradeep
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