A communication system, a communication control method and a control program storage medium do not require loading of BGP for customer node and edge node and can prevent increasing of load. The communication system establishes a virtual private network for communication between a plurality of customer...http://www.google.fr/patents/US20010044842?utm_source=gb-gplus-shareBrevet US20010044842 - Communication system, communication control method and control program storage medium
Communication system, communication control method and control program ...