1 files changed, 99 insertions, 0 deletions
diff --git a/doc/src/graphics/clientserver.ag b/doc/src/graphics/clientserver.ag
new file mode 100644
index 00000000000..74e8f07cee0
--- /dev/null
+++ b/doc/src/graphics/clientserver.ag
@@ -0,0 +1,99 @@
+*BEGIN GRAPHICS VERSION=430/420 ENCODING=7BIT
+** "Creator" tgl
+** "Creation Date" Tue Feb 10 03:30:09 1998
+** "Revisor" tgl
+** "Last Modified" Thu Feb 19 16:51:48 1998
+
+SESSION
+ WIN_SIZE <7500 5500>
+ SLIDE_STYLE <0 -1 1>
+ R_ARROW 1
+ REZ <0 2000 2000 0 0>
+END SESSION
+
+SLIDE_INFO
+ SLIDE_STYLE <0 -1 1>
+END SLIDE_INFO
+PICTURE
+.ELL AT (2526,191)
+ R_ARROW 0
+ V_SPACE <0 139 0>
+ SIZE 100000 L_SPACE 139 MARGINS <69 69 139 34>
+ PNTS (1594,1154)(0,1154)(0,0)(1594,0)(1594,1154)
+.RECT AT (2766,453)
+ XYRAD <220 68>
+ PNTS (1139,0)(0,0)(0,273)(1139,273)(1139,0)
+.TXT AT (2887,548)
+ BACKFILL <1 0 5 1000 0 0 0>
+ THICKNESS 0 MARGINS <0 0 0 0>
+ TXTXYOFF <-2 94>
+ T_PNTS (0,94)(0,0)(900,0)(900,97)(0,97)(0,94)(900,94)
+ .STR
+  L_SPACE 250
+  "POSTMASTER"
+.RECT AT (2774,832)
+ BACKFILL <1 0 0 0 0 0 0>
+ THICKNESS 1 L_SPACE 139 MARGINS <69 69 139 34>
+ PNTS (1139,0)(0,0)(0,273)(1139,273)(1139,0)
+.TXT AT (3074,919)
+ BACKFILL <1 0 5 1000 0 0 0>
+ THICKNESS 0 MARGINS <0 0 0 0>
+ TXTXYOFF <-6 94>
+ T_PNTS (0,94)(0,0)(527,0)(527,97)(0,97)(0,94)(527,94)
+ .STR
+  L_SPACE 250
+  "SERVER"
+.ELL AT (2509,533)
+ BACKFILL <1 0 0 0 0 0 0>
+ THICKNESS 1 L_SPACE 139 MARGINS <69 69 139 34>
+ PNTS (0,0)(119,0)(119,119)(0,119)(0,0)
+.LINE AT (2615,593)
+ PNTS (146,0)(0,0)
+.TXT AT (3040,1164)
+ BACKFILL <1 0 5 1000 0 0 0>
+ THICKNESS 0 MARGINS <0 0 0 0>
+ TXTXYOFF <-7 95>
+ T_PNTS (0,95)(0,0)(599,0)(599,98)(0,98)(0,95)(599,95)
+ .STR
+  L_SPACE 250
+  "server host"
+.TXT AT (1051,1170)
+ L_SPACE 139
+ TXTXYOFF <-3 95>
+ T_PNTS (0,95)(0,0)(574,0)(574,97)(0,97)(0,95)(574,95)
+ .STR
+  L_SPACE 250
+  "client host"
+.RECT AT (786,612)
+ BACKFILL <1 0 0 0 0 0 0>
+ THICKNESS 1 L_SPACE 139 MARGINS <69 69 139 34>
+ PNTS (1139,0)(0,0)(0,273)(1139,273)(1139,0)
+.ELL AT (544,191)
+ PNTS (1594,1154)(0,1154)(0,0)(1594,0)(1594,1154)
+.TXT AT (987,614)
+ BACKFILL <1 0 5 1000 0 0 0>
+ THICKNESS 0 MARGINS <0 0 0 0>
+ TXTXYOFF <0 92>
+ T_PNTS (0,92)(0,0)(264,0)(264,262)(0,262)(0,92)(264,92)
+ .STR
+  L_SPACE 250
+  "User\nApp"
+.TXT AT (1489,692)
+ L_SPACE 139
+ TXTXYOFF <-2 94>
+ T_PNTS (0,94)(0,0)(397,0)(397,120)(0,120)(0,94)(397,94)
+ .STR
+  L_SPACE 250
+  "LIBPQ"
+.LINE AT (1413,613)
+ BACKFILL <1 0 0 0 0 0 0>
+ THICKNESS 1
+ V_SPACE <0 250 0>
+ SIZE 180000 MARGINS <125 125 250 62>
+ PNTS (0,0)(0,266)
+.LINE AT (1926,606)
+ R_ARROW 1
+ PNTS (0,153)(574,0)
+END PICTURE
+
+*END GRAPHICS