applet's design
We designed Java applet of the RIP routing protocol simulation based on Bellman-Ford algorithm.
Specifications for the applet are as follows:
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Virtual Network

  1. Nodes
  2. Floating Packets
  3. Links

Operation Commands

  1. Step Button : Run the applet step by step.
  2. Reset Button: Initialize the applet.
  3. Clock : Show each step by clock. (It changes every 30 seconds.)

Table

  1. Each Node's Table
  2. Destination : Destination from the source node.
  3. Cost : The total cost of each link. It is set to 1 initially.
  4. NextHop : Neighbor Hop directory connected.
  5. "-": "-" means that "Cost is infinity" or "NextHop is unknown".
applet design1

State Change

  1. Link Down: Clicking the link, it becomes the failed-link-state. (remove the link)
linkdown




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(c) Marcos Andres Diaz & Yasuko Iwai
Boston University, College of Engineering