Patent ID: 7643468

Claim:
A versatile and scalable network architecture comprising: an Internet-edge network; a primary data-center network; a secondary data-center network; one or more campus-core networks connected between the Internet edge and one or more of the primary data center and the secondary data center; and a data-center-interconnect network connected between the primary data center and the secondary data center; wherein the Internet-edge network further includes one or more of the following: a firewall connected between the edge layer- 2 switches and a first one of the one or more campus-core networks; a guard module connected between the edge layer- 2 switches and the one or more firewalls; a network analysis module connected between the edge layer- 2 switches and the one more firewalls; a anomaly detector; and an edge server farm that includes one or more Internet servers connected to the edge layer- 2 switches via the one or more firewalls.