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  1. Unikernels: Single Process Kernels
    1. Unikernel variations
    2. Unikernels
    3. Links
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Unikernels: Single Process Kernels

Up until the rise of virtualization to popularity, the concept of running a kernel for a solitary process was counterproductive and highly problematic, but now things have changed. As technology moves closer to isolating all processes in self contained virtualized environments, the unikernel is an essentially part of this developmental progression, because it provides the foundation for which truly self contained environments can be built upon.

Unikernel variations

Unikernels come in different forms; language specific unikernels, Linux compatible unikernels, and Posix compliant unikernels. The latter two are generic unikernels. A handful of language specific unikernels are available for programming languages. Rust, Ocaml, Go, ErLang, Pascal, Java, C++, NodeJS and Haskell have unikernels specifically designed to support those languages. Java’s jvm is thought of as a unikernel.

Unikernels

  • UniKraft – UniKraft has the appearance of being a popular generic unikernel, although is not as documented as one would expect.
  • Solo5 – A unikernel management and development framework for MirageOS (Ocaml) and IncludeOS (C++), but allows for development generic unikernels. The importantance of this unikernel is its support of OpenBSD and flexibility.
  • Nanos – Is by far the best documented, and most production ready unikernel on the market, which has an established marketplace for unikernel machines, ops.city. More information is in the GitHub repository.
  • Eggos – A unikernel for the Go programming language that claims it can convert any go project into a unikernel. Although, if you are unifamiliar with go project creation and management this may not be the case.
  • ClickOS – Is a unikernel specifically developed for Click, which is a modular packet processing and analysis router. In layman’s terms, it’s a unikernel specifically designed to route network packages. Configuration and usage is done in its own configuration language.