A Multicast-Enabled Address Resolution Protocol (ME-ARP) is disclosed. This ME-ARP allows the building of independent IP based Virtual Private LAN segments (VPLS) over a multicast enabled IP backbone using stateless tunnels and optimal VPLS traffic forwarding. Each VPLS has an associated IP subnet which...http://www.google.co.uk/patents/US6640251?utm_source=gb-gplus-sharePatent US6640251 - Multicast-enabled address resolution protocol (ME-ARP)
