Patent ID: 7594029

Claim:
A packet transfer method resolution server comprising: a packet transfer method database where correspondences between several types of information contained in a packet and one or more type of information related to a packet transfer method are registered, wherein the several types of information contained in a packet include URL data, destination IP address data, and VLAN-ID data, and wherein the one or more type of information related to a packet transfer method that are registered include source IP address data, destination MAC address data, and VLAN-ID data, wherein the several types of information contained in a packet and the one or more type of information related to a packet transfer method are registered in the packet transfer method database as a one-to-one correspondence with respect to a URL data entry, a destination IP address data entry, a VLAN ID data entry, a source IP address data entry, a destination MAC address data entry, and a VLAN-ID data entry, and a packet transfer method resolution request acceptance section that accepts a packet transfer method resolution request from a packet transfer equipment that transfers a received packet to another node inquiring the information related to a transfer method of said received packet and specifying information contained in said received packet, refers to said packet transfer method database, and provides the one or more type of information related to the transfer method of said received packet to said packet transfer equipment, based on the combination of the URL data, the destination IP address data, and the VLAN-ID data of the received packet, wherein said received packet is transferred to the another node in a downstream direction towards a destination node, in accordance with the transfer method, wherein: the one or more type of information provided to said packet transfer equipment as the information related to the packet transfer method contains each of: the information related to rewriting of the information contained in the received packet, the information related to the information added to the received packet, the information related to the information deleted from the received packet, the information related to the control method of the route through which the received packet is transferred and the information related to the resource control method for the route through which the received packet is transferred.