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dgt_net02 – OSI and TCP Reference Model

Module Title: dgt_net02 – OSI and TCP Reference Model

Description:

Welcome to “dgt_net02 – OSI and TCP Reference Model,” a comprehensive module designed to deepen your understanding of the foundational structures that underpin modern networking. This module delves into the intricacies of both the Open Systems Interconnection OSI model and the Transmission Control Protocol/Internet Protocol TCP/IP suite, exploring how these frameworks guide network design and implementation.

module Overview:

In this engaging module, you will explore each layer of the OSI model—from the physical layer to the application layer—learning about its specific functions, protocols, and services. We emphasize a layered approach where each layer provides essential services to the one above it while leveraging capabilities from the underlying layers. This hierarchical structure ensures that network communication is robust, scalable, and efficient.

Key Topics:

  1. Introduction to Networking Models:
  2. Overview of OSI and TCP/IP models

  3. Historical context and evolution

  4. The Seven Layers of the OSI Model:

  5. Physical Layer: Transmission media, signal encoding, data rate
  6. Data Link Layer: Framing, MAC addressing, error detection/correction
  7. Network Layer: IP addressing, routing, packet forwarding
  8. Transport Layer: TCP/UDP protocols, connection-oriented vs. connectionless services
  9. Session Layer: Establishing, managing, and terminating sessions
  10. Presentation Layer: Data translation, encryption, compression

  11. Application Layer: Protocols such as HTTP, FTP, SMTP

  12. Services Provided by Each Layer:

  13. Detailed examination of how each layer abstracts complexity for the layers above

  14. Case studies demonstrating real-world applications and problem-solving using layered approaches

  15. The TCP/IP Model:

  16. Understanding its four-layer architecture
  17. Differences between OSI and TCP/IP models

  18. How TCP/IP protocols interact within this model

  19. Cross-Layer Interactions and Dependencies:

  20. Exploration of how lower layers support higher layer functionalities

  21. Practical implications for network design, troubleshooting, and optimization

  22. Practical Applications and Current Trends:

  23. Case studies on modern networking technologies such as SDN Software-Defined Networking, IoT Internet of Things
  24. Analysis of emerging protocols and standards

Learning Outcomes:

By the end of this module, students will be able to:

  • Articulate the roles and functions of each layer in both OSI and TCP/IP models.
  • Explain how services provided by lower layers support functionalities at higher levels.
  • Analyze network architectures using a layered approach for effective troubleshooting and optimization.
  • Apply theoretical knowledge to practical networking challenges and emerging technologies.

Target Audience:

This module is ideal for IT professionals, network engineers, students in computer science or information technology programs, and anyone interested in gaining a solid understanding of networking principles and models.

Embark on this journey through the foundational layers that keep our digital world connected. Equip yourself with the knowledge to design, analyze, and optimize networks across various environments. Join us for “dgt_net02 – OSI and TCP Reference Models” and take your networking expertise to the next level!
The students can push their exercises to the Academy DevOps & SRE GIT project. For this module, create a folder with your username as its name in the following subfolder: https://github.com/Garanti-Del-Talento/gdt_academy