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Lecture Notes in Computer Science
CPE-based IPsec VPNs have been widely used to provide secure private communication across the Internet. As the bandwidth of WAN links keeps growing, the bottleneck in a typical deployment of CPE-based IPsec VPNs has moved from the last-mile connections to the customer-edge security gateways. In this paper, we propose a clustering scheme to scale the throughput as required by CPE-based IPsec VPNs. The proposed scheme groups multiple security gateways into a cluster using a transparentdoi:10.1007/11602569_45 fatcat:qx7pt6qfdbhu3peu3sbbus25ty