| SDELAY.tv - (0)
? + | SDELAY.tv - (0)
, ! | SDELAY.tv - (0)
... , ! , point-to-point - . , , ... . ....
" (point-to-point) ": 1 - 2 - - 3 - , point-to-point 4 - . 5 - 6 - 7 - .