DDU ICMP controls consist of 3 controls : TDDUOSPING - A non blocking PING protocolTDDUOSTRACEROUTE - A non blocking TraceRoute ProtocolTDDUOSDNS - A non blocking ARP/RARP controlAbout TDDUOSDNS :Host names are resolved to IP addresses, and IP address can be resolved to host names. If you enter an I