Possible Duplicate: How does Subnetting Work? If you setup a default route in a IP routing table you provide a network mask. What difference does it make if the mask is 0.0.0.0 compared to ...
Is there any rules to specify private ip address I guess 192.168., 169, 10* are all private ips, but I am not sure. Anyone can point out?
I'm writing a code to work through sockets in java. I've created a multicast group to which anybody can join on the LAN. But the LAN has many different networks, operated by a router, and the ...