ECEN4533 Data Communications
Lecture #27 10 March 2008
Dr. George Scheets

ECEN4533 Data Communications
Lecture #28 12 March 2008
Dr. George Scheets

ECEN4533 Data Communications
Lecture #29 14 March 2008
Dr. George Scheets

Normalized Propagation Delay

Layer 4 Acknowledgement

Layer 4 ARQ w/ Window Flow Control

Error Free
Layer 4 Flow Control Efficiencies

Errored
Layer 4 Flow Control Efficiencies

Errored
Layer 4 Flow Control Efficiencies

Typical Packet

TCP Flow Control

ISO OSI Seven Layer Model

TCP Header

TCP Flow Chart (simplified)

Normal Operation

Slide 16