Broadcast example

[danalex97]

Best Effort Broadcast(BEB) is a broadcast in which a peer sends a message towards all the other peers and does not concern itself with the delivery of the message. In general, if the peer crashes halfway during the transmission, the broadcast might not be received by all the other peers(hence best effort). Since we do not model failure yet, this is a reliable broadcast.

This issues aims to add a new example in the examples package with a broadcast mechanism.

Checklist:

• [ ] add file examples/beb.go
• [ ] nodes implement a bootstraping mechanism
• [ ] nodes do periodic broadcasts
• [ ] add a flag in main.go for running the example

Detailed instructions:

• read and understand how a simulation is started by looking at the main.go file
  • read the user guide
  • run the SimpleTorrent example by running go run main.go -torrent
  • copy and rename the SimpleTorrent example to a new examples/beb.go file
  • run the examples/beb.go file by modifying main.go
  • implement a bootstraping mechanism by sending a list with all nodes in the system to a newly joined node
  • run a periodic broadcast and make each node print the number of the broadcast when they receive it
  • add a flag in the original main.go file to allow running the beb example