TCP/IP详解 卷1 1.16

1.16 Test Network
实验网络
Figure 1.11 shows the test network that is used for all the examples in the text. This figure is also duplicated on the inside front cover for easy reference while reading the book.
1.11 显示本文使用的试验网络案例。此图也复制在封边内篇,以便阅读时方便查阅。
Figure 1.11. Test network used for all the examples in the text. All IP addresses begin with 140.252.
1.11 本书所有实例使用的实验网络,所有 IP 14.252 开始。
TCP/IP详解 卷1 1.16_第1张图片
Most of the examples are run on the lower four systems in this figure (the author's subnet). All the IP addresses in this figure belong to the class B network ID 140.252. All the hostnames belong to the .tuc.noao.edu domain. (noao stands for "National Optical Astronomy Observatories" and tuc stands for Tucson .) For example, the lower right system has a complete hostname of svr4.tuc.noao.edu and an IP address of 140.252.13.34. The notation at the top of each box is the operating system running on that system. This collection of systems and networks provides hosts and routers running a variety of TCP/IP implementations.
大部分实例运行在途中下面的四个系统中(作者的子网)。图中所有的 IP 地址都是 B 类网段,网络 ID 140.252 。所有的主机名都在 .tuc.noao.edu 域中。例如,下面右边的系统有个完整的主机名 svr4.tuc.noao.edu ,其 IP 地址为 140.252.13.34 。每个方框顶部的注释是系统中运行的操作系统。这些提供给主机及路由的系统和网络的集合运行了各种各样的 TCP/IP 实例。
It should be noted that there are many more networks and hosts in the noao.edu domain than we show in Figure 1.11. All we show here are the systems that we'll encounter throughout the text.
需要注意到 noao.edu 域中的网络和主机比图 1.11 要多,图示的系统是我们文中会遇到的。
In Section 3.4 we describe the form of subnetting used on this network, and in Section 4.6 we'll provide more details on the dialup SLIP connection between sun and netb. Section 2.4 describes SLIP in detail.
3.4 节,我们说明这个网络中使用的子网表单, 4.6 节我们提供 sun netb 拨号 SLIP 连接的更详细信息。 2.4 节详细讨论 SLIP

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