互联网的历史、技术和安全

Internet History, Technology, and Security

1660 次查看
密歇根大学
Coursera
  • 完成时间大约为 12 个小时
  • 混合难度
  • 英语, 意大利语, 俄语
注:本课程由Coursera和Linkshare共同提供,因开课平台的各种因素变化,以上开课日期仅供参考

你将学到什么

本课程结束后,你不会再认为因特网和网络的出现是理所当然的

你将更好地了解当今社会面临的重要技术问题,意识到因特网和网络是创新空间,也将进一步了解你要如何适应这种创新

如果你对本课感兴趣,最好的入门方法就是选修网页设计、网站开发、编程,甚至是网络管理方面的课程。至少这样你将成为一个更有智慧的网民。

课程概况

科技和网络对我们生活、文化和社会的影响将继续扩大。事实上,你现在可以在世界上任何地方学习这门课程,依靠的就是过去六十年里设计、工程化和建造的技术基础设施。在这个以信息为中心的世界,我们需要了解因特网技术的工作方式。本门课程将介绍因特网,向你展示因特网是如何创建的,谁创建的因特网,以及它是如何运行的。在这个过程中,我们将介绍很多今天我们使用的因特网和网络技术的发明者。

The impact of technology and networks on our lives, culture, and society continues to increase. The very fact that you can take this course from anywhere in the world requires a technological infrastructure that was designed, engineered, and built over the past sixty years. To function in an information-centric world, we need to understand the workings of network technology. This course will open up the Internet and show you how it was created, who created it and how it works. Along the way we will meet many of the innovators who developed the Internet and Web technologies that we use today.

课程大纲

周1
完成时间为 29 分钟
Getting Started
Welcome to the class. We will first look at the history of the Internet and Web, followed by a look at how the network works and then examine
how we secure information on the Internet and Web.
3 个视频 (总计 9 分钟), 2 个阅读材料
完成时间为 2 小时

History: Dawn of Electronic Computing
World War II emphasized the strategic importance of computation, communication, and information. There was unprecedented investment in
the development of new technologies during the war. We start with Alan Turing and others at Bletchley Park.
7 个视频 (总计 89 分钟), 1 个测验

周2
完成时间为 2 小时
History: The First Internet - NSFNet
In the 1960s and 1970s, there was a great deal of research done to build the first wide-area packet switched networks for the US Department of
Defense. In the 1980s, the first “Internet” was formed to allow academic researchers to access supercomputer resources.
8 个视频 (总计 94 分钟), 1 个测验

周3
完成时间为 1 小时
History: The Web Makes it Easy to Use
The World-Wide-Web was invented in 1990 but it was not an overnight success. But by 1994 - “the year of the web” - the web was being widely
used and Internet usage was growing by leaps and bounds.
8 个视频 (总计 42 分钟), 1 个测验

周4
完成时间为 1 小时
History: Commercialization and Growth
The late 1990’s saw the web and Internet used increasingly to revolutionize how business was done. Companies like Amazon were founded
and grew very rapidly.
8 个视频 (总计 57 分钟), 1 个测验

周5
完成时间为 2 小时
Technology: Internets and Packets
The Internet is designed based on a four-layer model. Each layer builds on the layers below it. The Link and Internetwork layers are the lowest
layers of that model.
5 个视频 (总计 95 分钟), 1 个测验

周6
完成时间为 1 小时
Technology: Transport Control Protocol (TCP)
The Transport layer is built on the Internetwork layer and is what makes our network connections reliable.
5 个视频 (总计 31 分钟), 1 个测验

周7
完成时间为 1 小时
Technology: Application Protocols
With reliable “pipes” available from the Transport layer, we can build applications like web browsers, file transfer applications, or email clients
and servers.
3 个视频 (总计 36 分钟), 1 个测验

周8
完成时间为 2 小时
Security: Encrypting and Signing
Using simple examples, we examing how to shield data from prying eyes and make sure that the data was not altered while in transit.
4 个视频 (总计 71 分钟), 1 个测验

周9
完成时间为 1 小时
Security: Web Security
We apply the basic ideas of encryption and signing to who we actually secure the connections that we use on today’s Web and Internet.
4 个视频 (总计 50 分钟), 1 个测验

周10
完成时间为 2 小时
Final Exam

预备知识

本课程不要求任何背景知识,无需任何编程,任何人均可选修。

常见问题

为什么是历史?
学习历史并不只是为了记住日期、地点和人名,然后再在试卷上写出答案。因特网和万维网的历史,远非表面上看到的那么简单。有扭转败局的英雄,也有试图阻止英雄扭转败局的恶人,也曾有一些亟待解决的复杂工程学问题。通过回顾历史和直接从构建它的人那里得到答案,我们也可以学到人类如何携手解决那些大的、复杂的和未知的问题。

我需要教科书吗?
不需要。资料大多是独立的,额外资料可以在网上找到或在本课程内是免费的。

我们需要编程吗?
不需要,没有编程。相信我不用编程。

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