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Link Layer: C3, C4 (4.1- 4.2)
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Overview of Functions
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Framing
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Media Access
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Logical Link Control
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error detection
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error correction
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ARQ
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congestion control
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Examples
Network Layer
Link Layer
Logical Link Control
Media Access Control
Physical Layer
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Functions of the Data Link Layer
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Provide service interface to the network layer
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Media access
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Regulating data flow
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Slow receivers not swamped by fast senders
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Dealing with transmission errors
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error correcting codes
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automatic repeat request