If receiver sends a collective or cumulative acknowledgement to sender then it understands that more than one frames are properly received, for eg:- if ack of frame 3 is received it understands that frame 1 and frame 2 are received properly. If window size=w then after sending w frames sender waits for the acknowledgement (ack) of the first frame.Īs soon as sender receives the acknowledgement of a frame it is replaced by the next frames to be transmitted by the sender. In Networking, Window simply means a buffer which has data frames that needs to be transmitted.īoth sender and receiver agrees on some window size. At data link layer data is in the form of frames. Sliding window protocol is applied on the Data Link Layer of OSI model. In computer networks sliding window protocol is a method to transmit data on a network. Here you will get sliding window protocol program in C.
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