Recommendation X.805 defines a network security architecture for providing end-to-end network security. The architecture can be applied independently of the network’s underlying technology to various kinds of networks where the end-to-end security is a concern. This Recommendation defines the general security-related architectural elements that are necessary for providing end-to-end security. The objective of this Recommendation is to serve as a foundation for developing the detailed recommendations for the end-to-end network security.