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+// Exa 14.1
+// To determine the minimum possible latency amd the minimum window size that achieves this latency.
+
+clc;
+clear all;
+
+O=800*1000; //Object size(Bytes)
+S=536*8;  //max Segment Size(in bits)
+RTT=0.1; //Round trip-time in sec
+R=1*10^6; //Transmission rate of the link from the server to the client in bps
+
+//solution
+Lmin=2*RTT+(O/R); //latency(msec)
+// For minimum latency (S/R) +RTT -(W*S/R) = 0;Therefore
+W=1+(RTT)/(S/R);
+printf('The minimum possible latency is %d sec \n',Lmin);
+printf(' The minimum window size is %.1f segments \n',W);