In an NHRP (NBMA Next Hop Resolution Protocol) address resolution system for transforming a network layer address to a data link layer address in an NBMA (Non-Broadcast, Multi-Access) network not sharing media, an NHRP processing section provides a function of resolving an address while an ATMARP (Asynchronous...http://www.google.com.au/patents/US5909446?utm_source=gb-gplus-sharePatent US5909446 - Address resolution system