Introduction to Tandem X.25 Capabilities

Packet Types
What is X.25?
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Figure 1-16. Window Rotation of Data Packets
Local
DTE
Local
DCE
Data 0, 0
Data 1, 0
0
1
2
3
4
5
RR 2
Data 2, 0
Data 3, 0
RR 4
Data 4, 0
Data 5, 0
• • •
Window
Rotation
W = 2
053