compile			= "protocol.c"

host hostA {
    x=55, y=125
    link to hostB 
    link to hostD 
}
host hostB {
    x=130, y=50
    link to hostA 
    link to hostC 
    link to hostD 
}
host hostC {
    x=205, y=125
    link to hostB 
    link to hostD 
}
host hostD {
    x=130, y=200
    link to hostA 
    link to hostB 
    link to hostC 
}