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| Logical Link Control: |
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| Flow Control |
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| ä | assure
that transmitting station does not |
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| overwhelm
a receiving station with data |
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| ä | assumptions:
data transmitted in frames, |
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| sequential,
variable and arbitrary delays |
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| ä | simplest
form: stop-and-wait (or stop-and-go) |
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| ä | simple,
low overhead |
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| ä | poor
utilization of channel, particular for channels |
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| with
long propagation delays (such as satellite |
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| channels) |
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