Lecture 1
Introduction - Part1
Internet, Protocols
Video 1 of 3 for this lecture.
Prof. Anja Feldmann, PhD
Goals, Terminology, Protocols, Nuts and bolts, ISPs, RFC, IETF,
This video is part of the first lecture with technical content. We will take a first look on what the Internet is and what role protocols play.
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Lecture 1
Introduction - Part2
Network Edge
Video 2 of 3 for this lecture.
Prof. Anja Feldmann, PhD
Edge, Network,
This video is part of the first lecture with technical content. In this video we will look at the Network edge and try to give you a feeling for the terminology. We will have more in-depth views later in the course.
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Lecture 1
Introduction - Part3
The Network Core
Video 3 of 3 for this lecture.
Prof. Anja Feldmann, PhD
The Core, Network Core, Routing, Forwarding, Queueing, Store-and-forward
This video is part of the first lecture with technical content. We will look at the network core, why the Internet mostly uses packet switching and learn what role a Tier 1 provider plays.
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Lecture 2
Introduction - Part4
Delay, loss, and throughput
Video 1 of 2 for this lecture.
Prof. Anja Feldmann, PhD
delay, loss, throughput, performance
This video is part of the first lecture with technical content. In this part we will take a closer look at Performance, namely: Delay, loss, and throughput.
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Lecture 2
Introduction - Part5
Layers, History, Security
Video 2 of 2 for this lecture.
Prof. Anja Feldmann, PhD
Layers, Service models, Security, History
This video is the last part of the first lecture with technical content. We wil talk about protocol layers, service models, Security and the history of the Internet
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Lecture 3
Application Layer - Part1
Client-Server, Peer2Peer
Video 1 of 4 for this lecture.
Prof. Anja Feldmann, PhD
Layers, Application Layer, Client-Server, Peer-to-Peer
This video is the first of two parts on the Application Layer. We will take a look at different Methods of Communication, e.g., Client-Server and Peer-to-Peer, and talk about how processed fit into that scheme.
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Lecture 3
Application Layer - Part2
Sockets, Layers, Protocols
Video 2 of 4 for this lecture.
Prof. Anja Feldmann, PhD
Layers, Application Layer, Sockets, adressing sockets, transport protocols
This video is the second of two parts on the Application Layer. We will talk about sockets, adressing themn, protocols, Internet transport protocols and transport service requirements of applications.
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Lecture 3
Application Layer: HTTP Part 1
HTTP Basics
Video 3 of 4 for this lecture.
Prof. Anja Feldmann, PhD
Layers, Application Layer, protocols, HTTP, protocols by example, HTTP messages, HTTP Request, HTTP Response
This video is part of the lecture series on the Application Layer. It is the first of two videos on HTTP, the HyperTextTransferProtocol, within that series. We will look at the basic modes of operation of HTTP and also show some examples of using a telnet client to send HTTP requests.
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Lecture 3
Application Layer: HTTP Part 2
HTTP Caching and Cookies
Video 4 of 4 for this lecture.
Prof. Anja Feldmann, PhD
Layers, Application Layer, protocols, HTTP, protocols by example
This video is part of the lecture series on the Application Layer. It is the second of two videos on HTTP within that series. It covers some of the 'advanced' features of HTTP, including how this stateless protocol can be used to handle state using cookies and how the most simple form of authentication works.
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Lecture 4
Application Layer: DNS
The Domain Name System
Oliver Gasser
Layers, Application Layer, protocols, DNS, protocols by example, adresses, PTR, NS, MX, nameserver, dig
This video is part of the lecture series on the Application Layer. We will talk about the largest distributed Database of the world, the DNS, often called the phone book of the Internet.
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Lecture 5
Application Layer: CDNs
Content Delivery Networks
Video 1 of 2 for this lecture.
Prof. Anja Feldmann, PhD
Layers, Application Layer, protocols, DNS, CDN, Content Delivery, Content Distribution, Overlay Networks, Content, Application Mix
In this video we will discuss Content Delivery Networks. Large Networks specialized on providing Content, like Videos, Operating System updates, etc, to a large number of users. We will also talk on what we mean, when talking about content.
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Lecture 5
Application Layer: Email
A look at SMTP, IMAP, POP3
Video 2 of 2 for this lecture.
Balakrishnan Chandrasekaran, PhD
Layers, Application Layer, protocols, Network Programming, Network Protocols, Email, e-mail, SMTP, IMAP, POP, POP3, mail, MUA, Mail User Agent, MTA, Mail Transfer Agent, MDA, Mail Delivery Agent
E-mail is one of the oldest applications on the internet. But it's not just one protocol, it's several! We will take a dive into SMTP, the Simple Mail Transfer Protocol, and talk about message access protocols like IMAP, the Internet Message Access Protocol, and POP3, the Post Office Protocol.
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Lecture 6
Application Layer: Socket programming
Network Application Basics
Prof. Anja Feldmann, PhD
Layers, Application Layer, protocols, Network Programming, Sockets, UDP, TCP, accept(), bind(), listen(), client, server, Network Protocols
The basic building block of each and every network application, be it a ticketing system of a large airline or s simple chat server are network sockets. We will take a look on how you as a programmer use them and what abstractions are in place. You will get a first impression on what is needed to write a network application. This lecture is still part of the Application Layer.
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Lecture 7
Transport Layer
Intro and UDP
Video 1 of 2 for this lecture.
Prof. Anja Feldmann, PhD
Layers, Transport Layer, UDP, User Datagram, Multiplexing, Ports, Sockets, Segments, PDU
In this lecture we will take a look at the Transport Layer and UDP. We will revisit Sockets, Ports and dive right into UDP.
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Lecture 7
Transport Layer: TCP - Part 1
TCP Part 1 of 3
Video 2 of 2 for this lecture.
Prof. Anja Feldmann, PhD
Layers, Transport Layer, TCP, Sequence Numbers, Segments, Header, RFC 793, RFC 1122, RFC 1323, RFC 2018, RFC 2581,
In this video we will take a first look at TCP, it's header structure and Sequence Numbers.
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