SECURITY IN CLOUD USING CIPHERTEXT POLICY BASED ACCESS IN SDN

Information Technology

The software-defined networks (SDN) and OpenFlow development made easier to manage policy-driven network management. Before this, policy management are handled through the manual configuration where the author has to send code to solve the problems. The devices has made the things complexity and takes more time to transfer messages. They used low level language to configure the system. Manual configuration handled by network controller is being replaced by an automated approach of all network devices by SDN. We propose OpenSec, an OpenFlow-based security framework that allows a network security operator to implement security policies written in human-readable language. Using OpenSec, the openflow controller converts security policies into a series of openflow messages and automatically react when malicious traffic is detected. OpenSec allows for automated reaction to security alerts based on pre-defined network policies. The user data are encrypted using RC4 algorithm and stored in public cloud named CloudMe.

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