Internet Protocol Security (IPsec), as defined in RFC 2401, provides a means by which to ensure the authenticity, integrity, and confidentiality of data at the network layer of the Open System Interconnection (OSI) stack. IPsec is a suite of protocols that define standards for four key elements needed in defining a comprehensively robust Virtual Private Network (VPN) enabler:
Security Protocols
Key Exchange Mechanisms
Algorithms Required for Encryption and Secure Key Exchange
SA Definitions and Maintenance
SDN and NFV is the next phase of technology change which will help service provider to launch the services in single click. This is all about the programmability of the networks by using open source software defined network controller.
Thursday, July 16, 2009
IP Sec Fundamentals
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