ECEN4533 Data Communications
Lecture #26 23 March 2009
Dr. George Scheets

ECEN4533 Data Communications
Lecture #27 25 March 2009
Dr. George Scheets

Layer 4 Acknowledgement

Layer 4 ARQ w/ Window Flow Control

Error Free
Layer 4 Flow Control Efficiencies

Layer 4 Flow Control Efficiencies

Errored
Layer 4 Flow Control Efficiencies

Typical Packet

ISO OSI Seven Layer Model

TCP Header

Wireshark Capture showing Opening of Logical Link

Slide 12