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Reply To: CBC

#55802
Pix
Guest

The protocol stacks are (good luck in redrawing them “horizontally” ):

– BSC
SMS−CB
X.25
XOT
TCP/UDP
IP
Link(802.3)

– IP/X25 Router
X.25 —————— X.25
XOT —————— LAPB
TCP/UDP ————— SERIAL LINK
IP
Link(802.3)

– CBC
SMS−CB
X.25
LAPB