Table of Contents
The Data Link Layer
Hybrid Reference Model - REMINDER
Data Link Layer
Data Link Layer
Data Link Layer
Data Link Layer
Unacknowledged connectionless service
Acknowledged connectionless service
Acknowledged connection-oriented service
Connection-oriented service
Placement of data link protocol
Placement of data link protocol
Routing Code (box 3, prev. slide)
Framing
Framing (cont’d)
Character count
Starting and ending chars w/ character stuffing
Starting and ending chars w/ character stuffing
Start & end flags w/ bit stuffing
Start & end flags w/ bit stuffing
Physical Layer Coding Violations
Error Control
Error Control
Error Control
Flow control
Error detection and correction
Error correcting codes
Error correcting codes
Error correcting codes
Error correcting codes
Error correcting codes
Error correcting codes
Error correcting codes- Hamming
Error correcting codes- Hamming
Error correcting codes- Hamming
Error-Detecting Codes
Error-Detecting Codes
Error-Detecting Codes
Error-Detecting Codes (CRC)
Error-Detecting Codes (CRC)
Error-Detecting Codes (CRC)
Error-Detecting Codes (CRC)
PPT Slide
Error-Detecting Codes (CRC)
Error-Detecting Codes (CRC)
Error-Detecting Codes (CRC)
Error-Detecting Codes (CRC)
Elementary data link protocols
Elementary data link protocols
Elementary data link protocols
Elem. Data link protocols
Elementary data link protocols
Elementary data link protocols
Elementary data link protocols
Unrestricted simplex protocol
Unrestricted simplex protocol
Simplex stop-and-wait protocol
Simplex stop-and-wait protocol
Simplex stop-and-wait protocol
Simplex protocol for noisy channel
Simplex protocol for noisy channel
Sliding Window Protocols
Sliding Window Protocols
Sliding Window Protocols
Sliding Window Protocols
Sliding Window Protocols
Sliding Window Protocols
PPT Slide
PPT Slide
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PPT Slide
PPT Slide
PPT Slide
PPT Slide
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