1.PS
2C: box invis "client"
3line from C.s down 1.8
4line right 0.04
5line left 0.08 down 0.12
6line right 0.04
7line down 1
8
9S: box invis "server" at C+(3,0)
10line from S.s down 1.8
11line right 0.04
12line left 0.08 down 0.12
13line right 0.04
14line down 1
15
16arrow from C.s-(0, 0.2) to S.s-(0, 0.4) "SessionMessage(num=1024, len=8192)" "" aligned
17
18arrow from C.s-(0, 0.5) to S.s-(0, 0.7) "PayloadMessage(len=8192+4)" "" aligned thickness 1.5 width 0.08
19arrow <- from C.s-(0, 1.0) to S.s-(0, 0.8) "Ack(=8192)" "" aligned
20box invis "1     " at C.s-(0,0.5)
21
22arrow from C.s-(0, 1.1) to S.s-(0, 1.3) "PayloadMessage(len=8192+4)" "" aligned thickness 1.5 width 0.08
23arrow <- from C.s-(0, 1.6) to S.s-(0, 1.4) "Ack(=8192)" "" aligned
24box invis "2     " at C.s-(0,1.1)
25
26arrow from C.s-(0, 2.1) to S.s-(0, 2.3) "PayloadMessage(len=8192+4)" "" aligned thickness 1.5 width 0.08
27arrow <- from C.s-(0, 2.6) to S.s-(0, 2.4) "Ack(=8192)" "" aligned
28box invis "1024          " at C.s-(0,2.1)
29
30box invis "......" at C.s-(-1.5, 1.82)
31.PE
32