单一内核

单一内核（Unikernel）是用途专一的系统映像。单一内核将应用程序与其依赖的系统组件，打包为一个具有单一地址空间的映像，可以直接在（虚拟化）硬件层面运行。这样的内核免去了上下文切换（context switch）的开销，同时减少了系统大小、启动时间和应用面[1]，提供了内核层面的隔离，大幅提升了程序执行效率和安全性。[2]

参考文献

  1. ^ Ali Raza; Parul Sohal; James Cadden; Jonathan Appavoo; Ulrich Drepper; Richard Jones; Orran Krieger; Renato Mancuso; Larry Woodman. Unikernels: The Next Stage of Linux’s Dominance. Boston University OpenBU. 2019-05-13 [2021-04-25]. doi:10.1145/3317550.3321445. （原始内容存档于2021-04-25）. 
  2. ^ Pierre Olivier; Daniel Chiba; Stefan Lankes; Changwoo Min; Binoy Ravindran. A Binary-Compatible Unikernel. VEE 2019. April 14, 2019: 59-73. 

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