可以把系统构建成通信进程的网络，并用它们组合成网中之网，实现这一点的范式既自然又简单。
The paradigm of building systems as networks of communicating processes and using them to compose networks within networks is both natural and simple.
大多数边界是很明显的：网络连接、进程与进程的通信、文件系统、操作系统接口等等，但是有些边界就不好辨别。
Most boundaries are obvious: network connections, process-to-process communication, file systems, operating system interfaces, and so on, but some boundaries are more subtle.
这样就能够避免网络延迟、进程间通信的开销以及操作系统中的上下文切换，从而进一步提高速度。
This avoids network latency and the overhead of inter-process communication, as well as context switching in the operating system, further contributing to extreme speed.
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