ECEN4533 Data Communications
Lecture #27 21 March 2011
Dr. George Scheets

ECEN4533 Data Communications
Lecture #28 23 March 2011
Dr. George Scheets

ECEN4533 Data Communications
Lecture #29 25 March 2011
Dr. George Scheets

2011 OSU ECE Spring Banquet

Layer 4 Acknowledgement

Layer 4 ARQ w/ Window Flow Control

Layer 4 Flow Control Efficiencies

Layer 4 Flow Control Efficiencies

Layer 4 Flow Control Efficiencies

TCP Flow Control

ISO OSI Seven Layer Model

Typical Packet

TCP Header

Wireshark Capture showing Opening of Logical Link

TCP Flow Chart (simplified)

Definitions

TCP Normal Operation

Normal Operation

Internet Packet Traffic (Daily)

RFC2988 Algorithm

RFC2988 Algorithm

How does time out value effect performance the end user sees?

Slide 23