Version Field in IPv4

Duration: 3 min

This video lesson is available to enrolled students.

Return to /learn/BTSC-LAB-ASSISTANT/computer-network/net-layer-ipv4-proto/net-layer-ipv4-basics/asset-version-field-in-ipv4 after enrolling

Inside: a video lesson and guided study material.

Module outline

  1. About Course: BTSC About Course
  2. Basics of Computer Science: Basics of COA, Number System, Number Representation
  3. Operating System: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Threads & Process Creation, Deadlock, Memory Management, Virtual Memory
  4. Data Structures & Algorithms: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing, Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms
  5. Database Management Systems(DBMS): Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Relational Algebra, SQL, Transaction Management, Concurrency Control, Database Recovery
  6. Networking and Internet: Introduction to CN, Data Communication, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Application Layer, Hardware Basics, Network Access Technologies, Network Security
  7. Cyber Security Basics: Cyber Threats and Malware Attacks, Role of Internet and Web Services, Electronic Data Interchange and E-Commerce, Cyber Safety and Security
  8. C Programming (Programming Fundamentals): C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling
  9. C++, OOPs & Java (Programming Fundamentals): Java, OOPS with C++
  10. Python (Programming Fundamentals): Introduction to Python, Tokens, Variables, Data Types, I/O, Operators & Expressions, Control Flow & Looping, Collections & Strings, Functions & Modules
  11. Web Development Basics: Internet Fundamentals, Web Design & Development, Protocols & Services, Web Publishing & Hosting, Server Side & Security, Emerging Technologies, JavaScript-Basics, HTML Basics
  12. Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing
  13. Software and Hardware Tools: MS Office Applications, Unix OS, Linux OS
  14. Emerging Trends. AI & Social Ethics: Artificial Intelligence, Emerging Tech Trends, Society, Law & Ethics
  15. Full Mock Test:
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This lecture segment introduces the Version field within the IPv4 packet header structure. The instructor utilizes a whiteboard diagram to illustrate the 32-bit layout of an IP header, specifically focusing on the first 4 bits designated as 'VER'. The core concept taught is that this field identifies the protocol version, with IPv4 assigned a specific binary value. The instructor demonstrates how to represent this decimal number in binary notation on the board.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The instructor begins by presenting a whiteboard diagram of the IPv4 header structure, pointing out key fields such as VER, HLEN, Service type, Identification, and Total length. He explicitly writes the binary sequence '0100' on the board to represent the version number for IPv4. The visual evidence shows a 32-bit structure where the first four bits are labeled 'VER', establishing that this field defines the protocol version. The instructor emphasizes that IPv4 corresponds to a value of 4, which is visually confirmed by the binary notation written on the whiteboard.

  2. 2:00 – 2:38 02:00-02:38

    In the final segment, the instructor reinforces the concept of the Version Number field by referencing the 4-bit allocation at the start of the header. He writes additional binary representations, specifically '0100' and '0110', on the whiteboard to illustrate different version values. The diagram remains visible, highlighting that the first 4 bits are reserved for this purpose. The instructor notes that while IPv4 has a value of 4, the field allows for other versions like IPv6 (value 6), demonstrating how the binary value directly maps to the protocol version.

The lecture effectively establishes the foundational role of the Version field in IPv4 packet headers. By combining visual diagrams with handwritten binary examples, the instructor clarifies that this 4-bit field is critical for protocol identification. The specific binary value '0100' serves as the primary evidence for IPv4, while the mention of '0110' hints at future protocol versions. This segment provides a clear, concise explanation of how the header structure begins with version identification.

Loading lesson…