An IP communication network system has a plurality of autonomous systems, configuring IP networks of domains independent of each other, for performing interior- and exterior-forwarding of IP packets. The plurality of autonomous systems include a plurality of border relay devices positioned at borders...http://www.google.fr/patents/US20020078202?utm_source=gb-gplus-shareBrevet US20020078202 - IP network system having unauthorized intrusion safeguard function
IP network system having unauthorized intrusion safeguard function
Numéro de demande: 09/848,891 Numéro de publication: US 2002/0078202 A1 Date de dépôt: 4 mai 2001 Brevet délivré: US6895432 ( Date de délivrance 17 mai 2005)
