1. TCP/IP Protocol State Machine (Set up and tear down)
By Zachary Erb

2. How Do you send information across the web?
Internet Protocol stack
Five layers
Each layer down progressively closer to hardware
TCP/IP layers live at layers 3 & 4
Closer to application level

3. Internet Protocol Stack

4. TCP/IP Protocol Connection oriented
Has a three way handshake to get things started
Uses Sequence numbers and acknowledgments
Uses a tear down phase in which both parties agree to terminate connection
Uses seq and ack to make sure the is no loss of data between the computers

5. TCP/IP example

6. TCP/IP State Diagram

7. Dr. Parsons STM Language
Made all normal states
Started up a new thread ( the client)
Saved thread object in pcb.server/pcb.client based on current thread
Uses signalEvent, waitForEvent to emulate the sending and receiving data

8. References
transport-applications-and-security/