1st - java server.Server 2.0 1 Peer1 224.0.0.15 8001 224.0.0.16 8002 224.0.0.17 800

2nd - java -jar McastSnooper.jar 224.0.0.15:8001 224.0.0.16:8002 224.0.0.17:80033

3rd - java client.ClientApp BACKUP localhost Peer1 <pwd>/1.jpg 1