Please answer the question what is the relationship between the seq number size and window size to avoid problem in diagram b in the figure? This is a selective repeat Scenario.Please elaborate your explanation for clear understanding.

Serective repeat. Selective repea after receipt after receipt) dilemma 0123012_pkto 012 30 12 -pkt1 0123012 0123012 _pkt2 12 30 example: 301 seq #' s: 0, 1, 2, 3 230 window size-3 pkt0 will accept packet with seq number O (a) no problem * receiver sees no difference in two scenarios! receiver can't see sender side. receiver behavior identical in both cases! something's (very) wrong duplicate data accepted as new irn 0123012 pkt0 012 kt1 1231 0123 0 0123012 3 0 1 2 _.pkt2 Q: what relationship between seq # size and window size to timeout retransmit pkt0 0 123012 -pkt0 avoid problem in (b)? will accept packet with seq number O