Question: In protocol 6 ( See Figure 3 - 2 1 from the book ) , when a data frame arrives, a check is made to

In protocol

6 (

See Figure

3 - 21

from the book

),

when a data frame arrives, a check is made to see if the sequence number differs from the one expected and no

_

nak 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 protocol

s correctness?

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