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Capability-based systems that use explicit authorization (permission) for flows have been proposed in order to prevent Denial-of-Service (DoS) attacks. Even though the performance analyses of these systems show that they are efficient in preventing the attacks, they suffer from the difficulty of obtaining permission, incompatibility with current network architecture, and attacks that circumvent the...
TCP/IP, the most commonly used network protocol, consumes a significant portion of time in Internet servers. While a wide spectrum of studies has been done to reduce its processing overhead such as TOE and Direct Cache Access, most of them did studies solely from the per-packet perspective and concentrated on the packet memory access overhead. They ignored per-session data TCP Control Block (TCB),...
Similar to conventional NAT technology, NAT-PT gateways break traditional TCP/IP's end-to-end argument property which result in IPSec can not be applied in NAT-PT environment, and would fall flat when the pool of IPv4 addresses is exhausted. A solution by adding IP transform message, modifying the address mapping tables and session tables, using port transform strategy with inner host computer character...
Virtual private network (VPN) is a technology that provides secure communication for data as it transits through insecure regions of information technology infrastructure. With prolific development of the Internet, businesses nowadays implement VPN tunnels using different protocols that guarantee data authenticity and security between multiple sites connected using public telecommunication infrastructure...
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