H ELECTRICITY
H04 ELECTRIC COMMUNICATION TECHNIQUE
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
61/00 Network arrangements, protocols or services for addressing or naming
H04L61/09 Mapping addresses
H04L61/25 of the same type
H04L61/2503 Translation of Internet protocol [IP] addresses
H04L61/2521 Translation architectures other than single NAT servers
H04L61/2535 Multiple local networks, e.g. resolving potential IP address conflicts