The document contains descriptions and figures about stop-and-wait, sliding window, and selective reject transmission protocols. Stop-and-wait uses acknowledgments to ensure frames are received correctly one at a time, while sliding window protocols allow multiple unacknowledged frames to be sent by keeping a window of outstanding frames. The figures demonstrate examples of how these protocols handle damaged frames, lost frames, and lost acknowledgments to ensure reliable data transmission.

1. Figure 10-9
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2. Stop and Wait
Figure 10-10
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3. Sliding Window
Figure 10-11
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4. Figure 10-12
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Sender Sliding Window

5. Figure 10-13
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Receiver Sliding Window

6. Figure 10-14
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Sliding Window Example

7. Figure 10-14-continued
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Sender

8. Figure 10-14-continued
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Receiver

9. Figure 10-15
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10. Damaged Frame
Figure 10-16
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11. Lost Frame
Figure 10-17
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12. Lost ACK
Figure 10-18
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13. Damaged Frame
Figure 10-19
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14. Lost Frame
Figure 10-20
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15. Lost ACK
Figure 10-21
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16. Selective Reject
Figure 10-22
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