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 NetSim-0.3
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Project Description:

NetSim is a network simulator project with the following objectives:

- Graphical building of network topologies
- Configuration of network elements and its parameters
- Network simulation

At this stable build we have accomplished the first, graphical building 
of network topologies :)

Version 0.3 (September 16 2009) 
- Included Save and Open support
- Included linking capability

Version 0.2 (September 7 2009) adds:
- Modified architecture to MVC model

Version 0.1 (August 31 2009) implements:
- Basic GUI
- Three basic network elements

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How to...
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Add a network topology:
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In NetSim V 0.3 you can draw a network topology by selecting the network 
elements available ("Node", "Trans" or "App") on the left menu and then 
the desired position in the canvas.

Select a network element:
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- Click "Select" button 
- Click the network element on the canvas
- To select more than one element press and hold the CTRL key

Delete a network element:
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- Click "Select" button 
- Select the network element on the canvas
- Press the DEL key

Link Network elements:
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- Select the "Link" button
- Press right mouse button on the desired first element in the canvas
  and drag releasing on the element to be linked.

Save the current topology:
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- On the menu: File -> Save, this will save the current topology
  (only one save supported at the moment (V0.3))
- Note: each save will over write the past save.

Open a saved topology:
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- On the menu: File -> Open, this will open the last saved topology
  in two stages: 1st the elements and then...
- Click on the canvas an the links will be loaded as well

Start a New topology:
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- On the menu File -> New 
or
- Click the "Clear" Button on the left bottom part of the application

Quit the application:
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- On the menu File -> Quit 

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Authors
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Yina Arenas	yina@virginia.edu
Gu Lin		gl2hv@virginia.edu
Mona Sergi     @virginia.edu

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