Haven200

The Type Of Service (TOS) bits are a set of four-bit flags in the IP header. When any one of these bit flags is set, routers may handle the datagram differently than datagrams with no TOS bits set. Each of the four bits has a different purpose and only one of the TOS bits may be set at any time, so combinations are not allowed. The bit flags are called Type of Service bits because they enable the application transmitting the data to tell the network the type of network service it requires.

Node.js is an open-source, cross-platform, JavaScript run-time environment that executes JavaScript code outside of a browser.

原来一直用CSDN博客记录一些学习心得，后来放弃了。主要原因为做排版太费时间，发表一篇文章，写作时间占比不多，其余时间都用来排版了。遂想用 Markdown 来写文章，寻寻觅觅许久，终于发现了 Hexo。

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Help documents of dd-wrt

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