Simulating Nodes on a network.

[adam2016]

Hi guys,

So this is probably a basic networking question, I want to write a script that will simulate nodes on a network. I could set up a number of virtual machines and have them set up on the same virtual network but that seems excessive and arduous. Instead I want to simulate nodes. For example I would like 4 nodes to be able to talk to each other(on the same machine but these nodes should think they are actually different machines), Node A can send data to Node B, Node B can send data to Node C.... and so forth. My educated guess would be to do something with the loopback address but not sure what.

Thanks

[salem c]

What are you hoping to simulate?
- What happens when messages are lost.
- What happens when one node becomes congested.
- What happens when the link is lost.

You can fake most things inside a single machine using
- https://en.wikipedia.org/wiki/Unix_domain_socket
- https://en.wikipedia.org/wiki/Pipeline_(Unix)

[adam2016]

Thanks salem :)

Never thought about the above points