guile/doc/ref/gds.txt

+----------------+
| Program #1     |
|                |
| +------------+ |
| | GDS Client |-_
| +------------+ |-_                       +-------------------+
+----------------+  -_TCP                  | Emacs             |
                      -_                   |                   |
                        -_+------------+   | +---------------+ |
                         _| GDS Server |-----| GDS Interface | |
+----------------+     _- +------------+   | +---------------+ |
| Program #2     |   _-                    +-------------------+
|                | _- TCP
| +------------+ _-
| | GDS Client |-|
| +------------+ |
+----------------+