Protection and abstraction are traditional advantages of operating system that provide for application-pro-grammer. How to change Protection and abstraction in order to ensure the new Extensible Operating Systems havi...Protection and abstraction are traditional advantages of operating system that provide for application-pro-grammer. How to change Protection and abstraction in order to ensure the new Extensible Operating Systems havinghigh performance and good flexibility is the most crucial problem to build Extensible Operating Systems. We bringforward a new approach--Protected Decentralizing abstractions, integrating Decentralizing OS abstractions and Pro-tected abstractions, and use it to implement a prototype library operating system -- EXLinux/LibOS . A novel wayto safely share user-level abstractions in the prototype, enables unprivileged and untrusted applications to be definedand securely shared generic abstractions at run-time ,in which the same abstraction is invoked repeatedly.展开更多
文摘Protection and abstraction are traditional advantages of operating system that provide for application-pro-grammer. How to change Protection and abstraction in order to ensure the new Extensible Operating Systems havinghigh performance and good flexibility is the most crucial problem to build Extensible Operating Systems. We bringforward a new approach--Protected Decentralizing abstractions, integrating Decentralizing OS abstractions and Pro-tected abstractions, and use it to implement a prototype library operating system -- EXLinux/LibOS . A novel wayto safely share user-level abstractions in the prototype, enables unprivileged and untrusted applications to be definedand securely shared generic abstractions at run-time ,in which the same abstraction is invoked repeatedly.
