A Half Century of Internet: How it works today

1. 00:00Welcome to our online course "A Half Century of Internet: How it Works Today".
2. 00:09The internet. The internet global communication infrastructure that
3. 00:15is changing our world. Here is a short image which shows that
4. 00:21all the world is connected via the internet and the number of users
5. 00:28of seeing the net is almost half of the world's population.
6. 00:32Half of the world's population is online with different devices
7. 00:36most in most cases are such mobile devices but also with computers
8. 00:41and others and it's increasing and more and more increasing.
9. 00:46In the western states almost everyone is online. Here is an example from Germany -
10. 00:51this is a total number of population which is online
11. 00:57and the number of percentage of the population it is counted
12. 01:03from people from sixteen years to the end of life. So internet
13. 01:09is a basic infrastructure of our world and what we want
14. 01:14to do in this course is to help to understand how internet
15. 01:20is working, what's the technique behind. Everyone is welcome who wants
16. 01:25to know better about the internet - how it works and what it means
17. 01:31for our everyday life.
18. 01:34There are no participation requirements needed.
19. 01:37Everyone is welcome. The course includes a huge number of short learning videos.
20. 01:45There are for each learning video an interactive quiz and tasks for self testing.
21. 01:53There is a discussion forum which enables you to interact
22. 02:00with other learners, to discuss with another learners various topics
23. 02:04and a number of related materials.
24. 02:09At the end of the course you can get various achievement certificates,
25. 02:14for example a confirmation of participation in the course,
26. 02:19you can get a record of achievement, you can get a qualified certificate.
27. 02:25Record of achievement means is that from all the homework from
28. 02:30as a final exam you manage to get at least half of the points that are available
29. 02:37and in a qualified certificate means that when you make
30. 02:43homework when you do the final exam you will be observed and
31. 02:49then you get a certificate. Even with credit points.
32. 02:54So the course like all our openhpi courses provides materials
33. 03:02teaching materials, video, self tests, course forum and we encourage you
34. 03:07to study this teaching materials which we offer, we
35. 03:13encourage you to control your learning progress.
36. 03:16You can do this with the help of supervised tests and we
37. 03:22also invite you to actively participate in our discussion form.
38. 03:28Discussion forum helps to exchange the learning material to have
39. 03:33an exchange about the learning activity
40. 03:36material with other learners, to discuss some questions in more details,
41. 03:43to ask questions and others and we also provide on our platform
42. 03:49and individual collab space for collaboration. So you can also open
43. 03:56learning room to discuss with a limited group of people about certain
44. 04:03topics. What is the course about though? Here is a content
45. 04:09of the different weeks the course runs over six weeks and each week
46. 04:16provides material to one topic. So in week one which starts on
47. 04:22September first we speak about digitalisation of the world.
48. 04:27In which ways internet has changed our world, history of internet
49. 04:32and digitalisation, we discuss the different aspects of digital transformation.
50. 04:39In the second week we will discuss about the technical basis.
51. 04:44We will start to discuss about technical basis and we will
52. 04:47look to computer networks. What is a computer network, how the data are transferred
53. 04:53in such a computer network, which network technologies are in used.
54. 04:59Then in the third and in the fourth week we speak about the internet
55. 05:06the network of networks and discuss the technique behind.
56. 05:12How do I connect to the internet, how does data find their way through
57. 05:18the internet? The internet is a interconnection of different networks.
58. 05:22So the question is what happens on the border between one
59. 05:26network and another network, how data are transferred over such borders,
60. 05:32which resources and systems are necessary to let the internet work as it work
61. 05:39and what are the internet protocols and how do they work?
62. 05:44Then in the fifth week, it starts on september twenty nine,
63. 05:51we will look on various internet applications.
64. 05:55How do such internet application work in general, how do email
65. 06:01work, how do world wide web work, which technologies are used for social media,
66. 06:08what is behind Netflix & Co. and how does online banking work?
67. 06:16Speaking about such application we see that also necessary
68. 06:20to speak about web security and this is a topic of the sixth week
69. 06:25of our openhpi course about internet technology.
70. 06:31It starts on october six and is about internet and web security,
71. 06:37what dangers exist in the internet, how can they be identified,
72. 06:42who or what are so called hackers, why is data so important, why
73. 06:48data protection is so important and how we can protect data
74. 06:53and identities in the internet. This is the content of our
75. 06:59openhpi course. Here are some more information - course start September first,
76. 07:05course end October twentieth, the final exam is in the week between
77. 07:13October thirteenth to nineteenth, so after the six week of learning.
78. 07:20And what you have to calculate, what you calculate
79. 07:26the time you have to calculate to take part in the course. So you should study
80. 07:32the provided learning materials, look to the video clips,
81. 07:38deal with the quizzes and do the homework. So what we
82. 07:44the estimate is that you need about three to six hours a week for
83. 07:51dealing with the material and learning about what we want to
84. 07:57teach you. And then the weekly homework. There you have a time
85. 08:03span from sixty minutes to do this.
86. 08:09This is the teaching team. My name is Christopher Meinel, I'm director
87. 08:14of the Hasso Plattner Institute in Potsdam, I am dean
88. 08:19of the digital engineering faculty of the University of Potsdam
89. 08:23and I have a chair about internet technologies and systems.
90. 08:29In our chair we focus in the research work about security engineering,
91. 08:34about learning and knowledge engineering, digital education
92. 08:39is a very important part. So for example the platform openhpi platform
93. 08:44which is used also by partners was developed on my chair
94. 08:48and we also do with design thinking some innovation research.
95. 08:53And I get support. I get support from my scientific co-workers
96. 08:59from Raad Bin Tareaf, he is doing research work and PhD thesis
97. 09:07in social media analytics. Christian Bartz, he supports me
98. 09:12his research topic is neural networks, deep learning, AI, computer vision.
99. 09:18I am supported by Gonçalo Mordido, he is also doing
100. 09:24research work and a PhD work in deep learning,
101. 09:28in a generative models and Monte Carlo models. Chris Pelchen
102. 09:33is a member of the teaching team. His research is focused
103. 09:38on security engineering and digital identities and then we have Muhammad
104. 09:45Ihsan Haikal Sukmana. He is also in the security team, his
105. 09:51phd work is concentrated on security engineering and cloud computing.
106. 09:56So this is our team. We will support you. In this course we
107. 10:02will provide the material, we will take part in the discussions
108. 10:06but we hope that you become very active because in such an active learner community
109. 10:15learning makes fun and learning has an effect. So very
110. 10:21welcome. We are looking forward to you in our online course "A Half Century of Internet:
111. 10:28How it Works Today."

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