Sliding Window Demo

Instructions for using the demo

The application demonstrates the Sliding Window mechanism of TCP.
Each packet is represented by a ball with a character on it. Ball colors symbolize packets properties:

		Orange ball - A packet of the sender that has not been acknowledged yet.
		Red ball - An inflight packet.
		Green ball - A packet that has been received by the receiver.
		Black ball - A lost packet.

You can set different properties of the TCP and the connection, and see how they affect the transmission efficiency:

Window Size - sender and receiver windows size.
Retransmit Timer - in time units.
RTT - round trip time in time units, for each packet.
loss% - percentage of loss of each packet.
speed - set the speed of the animation.

The Animation can run in two modes:

Run mode - click the 'start' button for the animation to run. you can press the stop button to pause the animation.
Step by Step mode - click the 'Step' button to run the animation step by step.

All time related properties are specified in general time units. The speed of the animation can be controled using the speed selector.