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In protocol 6 ( See Figure 3 - 2 1 from the book ) , when a data frame arrives, a check is made to
In protocol See Figure from the book when a data frame arrives, a check is made to see if the sequence number differs from the one expected and nonak is true. If both conditions hold, a NAK is sent. Otherwise, the auxiliary timer is started. Suppose that the else clause were omitted. Would this change affect the protocols correctness?
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