A Half Century of Internet: How it works todayProf. Dr. Christoph Meinel

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Week 1

Digitalization of the World (introduction, history, humans in the focus)

Welcome to Week 1

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1.0 Introduction and Timetable

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Pre-Course Survey

调查

1.1 How The Internet Changed Our World

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1.1 How The Internet Changed Our World

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1.2 Internet - The Network of Networks

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1.2 Internet - The Network of Networks

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1.3 WWW - The Wonderful New World (?)

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1.3 WWW - The Wonderful New World (?)

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1.4 IoT - The Internet of Things

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1.4 IoT - The Internet of Things

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1.5 Cloud Computing

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1.5 Cloud Computing

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1.6 The World of Smartphones

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1.6 The World of Smartphones

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1.7 Digital Transformation

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1.7 Digital Transformation

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1.8 The Beginning of Communication Technologies

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1.8 The Beginning of Communication Technologies

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1.9 Brief History of Computers

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1.9 Brief History of Computers

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1.10 Brief History of the Internet

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1.10 Brief History of the Internet

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Learning Material

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Homework Week 1

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Week 2

Computer Networks (bits and bytes, LAN, WLAN, WAN)

Welcome to Week 2

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2.1 Computer Networks

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2.1 Computer Networks

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2.2 How Messages Are Transmitted

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2.2 How Messages Are Transmitted

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2.3 Computer Networks - Basic Principles and Components

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2.3 Computer Networks - Basic Principles and Components

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2.4 Type of Computer Networks

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2.4 Type of Computer Networks

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2.5 Local Area Networks

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2.5 Local Area Networks

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2.6 Ethernet

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2.6 Ethernet

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2.7 WiFi - Wireless Networks

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2.7 WiFi - Wireless Networks

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2.8 WAN - Wide Area Network

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2.8 WAN - Wide Area Network

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2.9 Routing in Wide Areas Networks

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2.9 Routing in Wide Areas Networks

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2.10 Historical Overview of Computer Networks

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2.10 Historical Overview of Computer Networks

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Learning Material

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Homework Week 2

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Week 3

Network of Networks, internetworking, internet protocols

Welcome to Week 3

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3.1 Internetworking

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3.1 Internetworking

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3.2 Challenges of Internetworking

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3.2 Challenges of Internetworking

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3.3 Basic Idea of Internetworking

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3.3 Basic Idea of Internetworking

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3.4 TCP/IP Protocol Stack

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3.4 TCP/IP Protocol Stack

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3.5 Intermediate Systems

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3.5 Intermediate Systems

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3.6 Access to the Internet

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3.6 Access to the Internet

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3.7 IP Tasks

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3.7 IP Tasks

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3.8 IPv4 - Datagrams

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3.8 IPv4 - Datagrams

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3.9 IPv4 - Fragmentation

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3.9 IPv4 - Fragmentation

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3.10 IPv4 - Routing

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3.10 IPv4 - Routing

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3.11 Internetworking with IPv6

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3.11 Internetworking with IPv6

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3.12 Other Internet Layer Protocols

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3.12 Other Internet Layer Protocols

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Learning Material

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Homework Week 3

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Week 4

Transport through the Internet

Welcome to Week 4

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4.1 Transport Layer of the Internet

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4.2 Transport Layer Protocols of the TCP/IP Protocol Stack

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4.2 Transport Layer Protocols of the TCP/IP Protocol Stack

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4.3 TCP - Virtual Connections

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4.3 TCP - Virtual Connections

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4.4 TCP Retransmission

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4.4 TCP Retransmission

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4.5 TCP Connection

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4.5 TCP Connection

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4.6 TCP - Flow and Overload Control

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4.6 TCP - Flow and Overload Control

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4.7 TCP Ports

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4.7 TCP Ports

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4.8 TLS - Secured Data Transport

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4.8 TLS - Secured Data Transport

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4.9 UDP - Transport Protocol

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4.9 UDP - Transport Protocol

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4.10 Historical Overview

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4.10 Historical Overview

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Learning Material

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Homework Week 4

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Week 5

Internet Applications (WWW, e-mail, social media)

Welcome to Week 5

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5.1 Applications in the Internet

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5.1 Applications in the Internet

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5.2 Overview of Internet Applications

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5.2 Overview of Internet Applications

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5.3 Interaction in the Internet

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5.3 Interaction in the Internet

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5.4 DNS - Domain Name System

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5.4 DNS - Domain Name System

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5.5 Email - Electronic Mail

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5.5 Email - Electronic Mail

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5.6 WWW World Wide Web

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5.6 WWW World Wide Web

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5.7 Social Media

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5.7 Social Media

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5.8 Video Streaming - Netflix & Co

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5.8 Video Streaming - Netflix & Co

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5.9 Online Banking as an Internet Application

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5.9 Online Banking as an Internet Application

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Learning Material

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Homework Week 5

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Week 6

Internet and Web Security (digital identities, cybercrime, risks, precautions)

Welcome to Week 6

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6.1 Internet and Web Security

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6.1 Internet and Web Security

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6.2 Internet - A Popular Target

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6.2 Internet - A popular target

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6.3 Unsafe Internet

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6.3 Unsafe Internet

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6.4 Internet Risks

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6.4 Internet Risks

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6.5 Cybercrime and Cybercriminals

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6.5 Cybercrime and Cybercriminals

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6.6 Widespread Attacks

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6.6 Widespread Attacks

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6.7 Digital Identities

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6.7 Digital Identities

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6.8 Identity Theft

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6.8 Identity Theft

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6.9 Malware

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6.9 Malware

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6.10 Encrypted Communication

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6.10 Encrypted Communication

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6.11 Hybrid Encryption

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6.11 Hybrid Encryption

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6.12 Protective Measures

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6.12 Protective Measures

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Learning Material

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Homework Week 6

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