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        <title>三叉戟 - resources:books</title>
        <description>领域专家的成长记录</description>
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        <link>https://www.trident365.com/doku.php?id=resources:books:master_tcpip&amp;rev=1732022792&amp;do=diff</link>
        <description>很多年前在日亚上买了这本书的电子版,现在翻来看看,把要点整理一下.

IP协议

IPv4报头

这个报头各字段我已经给学生讲过无数遍了.


不过书中给出了一些补充内容:

Version版本号

除了IPv4和IPv6之外,还有其他版本.$2^{16}=65536$</description>
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        <description>写在前面

TCP/IP模型是计算机网络的事实标准,它在历史上出现得也比国际标准OSI模型要早.因为在日本大学院的专攻就是网络工学,再加上过去几年担当塾讲师,讲过多轮计算机网络的课,对各层的功能,主要协议和设备等都有一些基本的了解.$2^{32}=4,294,967,296$$2^{128}=340,282,366,920,938,463,463,374,607,431,768,211,456$$64\times 8bit/ 10 \times 10^6 =51.2 \mu s$$51.2 \times 10^{-6} \times 0.77\times 300000000 m/s=11000 m$</description>
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        <description>参考的是2012年由人民邮电出版社出版的《黑客攻防技术宝典Web实战篇》第2版,原书作者是Dafydd Stuttard和Marcus Pinto.</description>
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