CONTROL APPARATUS FOR FORWARDING APPARATUS, CONTROL METHOD FOR FORWARDING APPARATUS, COMMUNICATION SYSTEM, AND PROGRAM

摘要

A control apparatus for forwarding apparatuses is connected to forwarding apparatuses which forward a packet according to a forwarding rule and includes: an address storage unit that stores correspondence relationships between upper layer addresses and lower layer addresses; an address management unit that refers to the address storage unit to search for a corresponding lower layer address from an upper layer destination address of a packet to be forwarded through one or more of the forwarding apparatuses; and a forwarding rule setting unit that sets a forwarding rule for causing the one or more forwarding apparatuses on a forwarding path of the packet to be forwarded to perform a process of writing the searched lower layer address in a lower layer destination address field of the packet to be forwarded.

主权项

1. A control apparatus, wherein the control apparatus is connected to a group of forwarding apparatuses which forward a packet according to a forwarding rule, the control apparatus comprising:
an address storage unit that stores correspondence relationships between upper layer addresses and lower layer addresses; an address management unit that refers to the address storage unit to search for a corresponding lower layer address from an upper layer destination address of a packet to be forwarded through one or more of the forwarding apparatuses; and a forwarding rule setting unit that sets a forwarding rule for causing one of the forwarding apparatuses on a forwarding path of the packet, to write the searched lower layer address in a lower layer destination address field of the packet.