Patent ID: 8107448

Claim:
A network management apparatus comprising: a first network interface configured to connect to a first network managed by a different apparatus from the network management apparatus; a second network interface configured to connect to a second network managed by the network management apparatus; a prefix advertising unit configured to advertise a valid network prefix on the first network to the second network as a valid network prefix on the second network; and a burst controlling unit configured to control a burst of traffic triggered by a network prefix change advertisement including a new network prefix advertised on the first network, wherein the burst controlling unit comprises: a prefix notification selection unit configured to select at least one of a plurality of network management apparatuses which are connected to the second network when the network prefix change advertisement including the new network prefix is received on the first network interface; and a selective prefix advertising unit configured to advertise the network prefix change advertisement including the new network prefix to the selected at least one network management apparatus selected by the prefix notification selection unit.