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Grokking Computer Networking for Software Engineers

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Getting Started

Course Learning Outcomes Learning Instruments

Getting to Know the Internet

What is the Internet?A Quick History of The Internet Internet Standards Documents Communication Over the Internet

Access Networks

The Edge of The Internet: End Systems What Are Access Networks?Types of Access Networks: DSL Types of Access Networks: Cable, FTTH, Dial-Up, and Satellite

Types of Computer Networks

Types by Physical Medium: Guided Physical Media Types by Physical Medium: Unguided Physical Media Types by Geographical Distance Types by Topology

Network Infrastructure: The OSI Model

Layered Architectures & Protocol Stacks The Open Systems Interconnection (OSI) Model The TCP/IP Model

The Application Layer

What Is the Application Layer?Network Application Architectures P2P vs. Client-Server How Processes Communicate HTTP: The Basics HTTP: Request Messages Exercise: Looking at a Real HTTP Request HTTP: Response Messages Exercise: Looking at a Real HTTP Response Cookies Exercise: View and Manage Your Cookies Email: SMTP Exercise: Checking a Domain’s Mail Server with nslookup Email: POP & IMAP Email: Message Format DNS: Introduction Exercise: Finding Name Servers DNS: Records and Messages Exercise: Looking At DNS Response Messages and Resource Records BitTorrent

The Transport Layer

What Is the Transport Layer?Multiplexing and Demultiplexing Multiplexing & Demultiplexing in UDP Introduction to Congestion Control More on Principles of Congestion Control Principles of Reliable Data Transfer Reliable Data Transfer: Sliding Window Reliable Data Transfer: Go-back-n The User Datagram Protocol UDP Checksum Calculation & Why UDP?Exercise: Capturing UDP Packets The Transmission Control Protocol Key Features of the Transmission Control Protocol TCP Segment Header TCP Header Flags TCP Headers: Window Size, Checksum & More TCP Connection Establishment: Three-way Handshake Other TCP Connection Establishment Methods When Connection Establishment Fails: Syn Floods & Retransmission TCP Connection Release Efficient data transmission with TCP TCP Window Scaling Exercise: Measuring RTT with Ping TCP Congestion Control: AIMD TCP Congestion Control: Slow Start

An Introduction to Socket Programming with Python

The Basics Setting up a UDP Socket Writing a UDP Server Writing a UDP Client Program Running The UDP Server & Client Together Improvements to UDP Programs: Avoiding Arbitrary Servers Project: Write a UDP Chat App!Solution: Write a UDP Chat App!A TCP Client-Server Program

Network Layer

What Is the Network Layer?Organization of the Network layer The Control Plane: Static & Dynamic Routing The Control Plane: Distance Vector - Routing Information Protocol Programming Challenge: Routing Information Protocol Solution Review: Routing Information Protocol The Control Plane: Link State Routing The Control Plane: Route Calculation - Dijkstra's Programming Challenge: Implementing Dijkstra's Solution Review: Implementing Dijkstra's The Internet Protocol: Introduction to IPV4 The Internet Protocol: IPV4 Address Allocation The Internet Protocol: IPV4 Packets The Internet Protocol: IPV4 Packet Fragmentation & Reassembly The Internet Control Message Protocol (ICMP)Exercise: Sending ICMP Messages With Ping & Traceroute Address Resolution Protocol (ARP)Dynamic Host Configuration Protocol (DHCP)IPv4 in Practice: The Life of a Packet Why IPv6?IPv6 Features Middleboxes: Firewalls Middleboxes: NATs Introduction to Routing in IP: Intradomain & Interdomain Intradomain Routing: OSPF Interdomain Routing: Border Gateway Protocol Border Gateway Protocol: Determining the Best Routes

Link Layer

What is The Data Link Layer?Principles of The Data Link Layer: The Framing Problem Principles of The Data Link Layer: Error Detection Medium Access Control: Static Allocation Medium Access Control: Stochastic Methods - ALOHA Medium Access Control: Stochastic Methods - CSMA Medium Access Control: Stochastic Methods - CSMA/CD Medium Access Control: Stochastic Methods - Optimizing CSMA/CD Introduction to Ethernet Ethernet Frame Format Physical Layers for Ethernet Ethernet Switches Programming Challenge: Spanning Tree Protocol Solution Review: Spanning Tree Protocol Virtual LANs

Conclusion

Networks Career Paths

Course Assessment

Computer Networks Exam

Final Thoughts

Thanks for reading!

Thank you for taking this course! We hope that you have gained an in-depth and working knowledge of all things networks.

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— Team Educative

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