Basic HTML version of Foils prepared Dec. 6 98

Foil 45 X.25 (2)

From Introduction to Network WANs Lectures at Xi'an Jaotong University -- Sept 1998. by Roman Markowski
Devices must establish sessions to communicate
A virtual circuit (PVC, SVC) is a logical connection created to ensure reliable communication between two network devices (multiple virtual circuits can be multiplexed)
DTE
DTE
PAD
PAD
X
X
X
X
DCE
DCE

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