sequence no and window size

Question

If the available sequence number is N then the maximum window size for Selective Repeat and Go Back N and stop and wait protocol are? Please explain in detail for three protocols.

Answer 1

In sliding window protocols sender window size + receiver window size <= SEQ no

In selective repeat protocol max. Sender window size is N/2 And receiver window size is also N/2

In GO BACK  N protocol max. Sender window size is N-1 And receiver window size is also 1

In stop and wait protocol sender window as well as receiver window both are always 1