TCP / IP and OSI Layer Comparison

Duration: 5 min

This video lesson is available to enrolled students.

Return to /learn/TPSC-ASSISTANT-TECHNICAL-OFFICER/web-technologies/protocols-services/tcpip-model/asset-tcp-ip-and-osi-layer-comparison after enrolling

Inside: a video lesson and guided study material.

Module outline

  1. About Course: About the Course
  2. Paper 2 | Digital Logic: Digital Systems & Boolean Basics, Logic Gates & Hardware, Boolean Expression, Boolean Minimization, Combinational Circuit, Sequential Circuits, Number System, Number Representation, Floating Point Rep
  3. Paper 2 | Computer Organization And Architecture: Basics of COA, Cache Memory Organization, Input Output Organisation, Pipelining, Control Unit Design, Instr Formats & Modes, Programming the Basic Computer
  4. Paper 2 | Analog And Digital Communication: Introduction to Communication Systems & Random Signals, Analog Communication Systems, Information Theory & Digital Communication Fundamentals, Digital Modulation & Detection Techniques, Error Control, Synchronization & Multiple Access Techniques
  5. Paper 2 | Programming in C: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling
  6. Paper 2 | Data Structures And Programming: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing, Java, OOPS with C++, Java Fundamentals, Array, String, IO & References
  7. Paper 2 | Algorithms: Algorithm Analysis, Sorting Algorithms, Time Complexity Analysis, Greedy Algorithms, Dynamic Programming, Minimum Spanning Trees, Shortest Path Algos
  8. Paper 2 | Compiler Design: Intro to Compilers, Lexical Analysis, Grammar & CFG, Syntax Analysis: Top-Down, Syntax Analysis: Bottom-Up, Semantic Analysis & SDT, Intermediate Code Gen, Code Optimization, Run Time Environment
  9. Paper 2 | Operating System: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Threads & Process Creation, Deadlock, Memory Management, Virtual Memory, Disc Scheduling, File Management, Unix OS, Linux OS
  10. Paper 2 | Databases: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, Relational Algebra, SQL, Relational Calculus, File Organization & Indexing, Transaction Management, Concurrency Control
  11. Paper 2 | Information Systems and Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management
  12. Paper 2 | Computer Networks: Introduction to CN, Data Communication, DLL: Access Control, DLL: Flow Control, DLL: Error Control, DLL: Framing, Data Link Layer - Ethernet, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Net Layer:Routing Protocol, Transport Layer Services, TL: Congestion & UDP, Application Layer, Hardware Basics
  13. Paper 2 | Internet & Web Technologies: Website, Browser & Services, Internet Fundamentals, Web Design & Development, Protocols & Services, Web Publishing & Hosting, Server Side & Security, Emerging Technologies, HTML Basics, JavaScript-Basics, CSS, XML, HTML5
  14. Paper 2 | Cyber Security And Emerging Technologies: Emerging Tech Trends, Internet of Things
  15. Paper 2 | Cloud Technology: Cloud Computing
  16. Paper 2 | Probability and statistics: Probability, Statistics
  17. Paper-1 English: Vocabulary, Preposition, Articles, Comprehension / Reading Comprehension / Unseen Passages (Critical Reasoning) (Paragraph Questions), Sentence Re-arrangements (Para Jumbles) (Narrative Sequencing), Sentence Correction (Error Correction), Sentence Completion (Fill in the blanks), Cloze Test (Cloze Passage), Sentence Construction
  18. Paper 1 General Mental Ability & Logical reasoning: Ratio and Proportion (Ratios), Divisibility Rules, Data Interpretation, Mixture and Alligation, Permutation and Combination, Logarithm, Number System, HCF LCM, Sequence and Series (Series), Speed Time and Distance, Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Data Sufficiency, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Percentage, Average, Powers and Exponents (Surds and Indices), Algebra, Profit and Loss, Simple Interest and Compound Interest, Time and Work, Pipe and Cistern, Mensuration and Geometry, Mental Ability, Age Problems, Partnership, Arithmetic, Speed Mathematics and Basic Mathematics, Syllogisms, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Seating Arrangements, Blood Relations, Directions (Direction Test), Analytical Reasoning (Counting Figures Reasoning), Puzzle Solving (Puzzles), Calendar, Clock, Cubes & Dices, Selection Decision Table (Decision Making), Logical Sequence Of Words, Venn Diagram, Analogy
  19. Paper-1 General Knowledge & Current Affairs: State Wise GK, History, Geography, GK- Current Affairs, Static General Knowledge
  20. Full Length Mock Test:
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

The video provides an educational overview of computer network protocols, focusing on the TCP/IP protocol suite and its relationship with the OSI reference model. It begins by defining a network protocol as a language with rules for reliable communication, citing examples like TCP/IP, HTTP, FTP, and Telnet. The core of the lecture involves a detailed comparison between the four-layer TCP/IP model and the seven-layer OSI model. The instructor visually maps the OSI layers onto the TCP/IP structure, identifying which OSI layers correspond to which TCP/IP layers. Furthermore, specific protocols associated with each layer are listed, such as HTTP and FTP for the application layer, TCP and UDP for transport, and IP and ARP for the internet layer.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The session opens with a definition of network protocols and a list of common examples. The instructor then displays a diagram of the TCP/IP Protocol Suite, highlighting its four distinct layers: Application, Transport, Internet, and Network Interface. She begins writing "OSI layer model" on the board, indicating a comparison is about to take place. She starts listing the seven layers of the OSI model on the right side of the screen, writing "Application," "Presentation," and "Session" at the top.

  2. 2:00 – 5:00 02:00-05:00

    The instructor proceeds to map the OSI layers to the TCP/IP layers using red arrows drawn on the screen. She groups the top three OSI layers (Application, Presentation, Session) into the single TCP/IP Application layer. She maps the OSI Transport layer directly to the TCP/IP Transport layer. The OSI Network Layer is mapped to the TCP/IP Internet layer. Finally, the bottom two OSI layers (Data Link and Physical) are grouped into the TCP/IP Network Interface layer. She annotates the diagram with specific protocols: HTTP and FTP for the top layer, TCP/UDP for transport, and ARP, RARP, and IP for the internet layer.

  3. 5:00 – 5:03 05:00-05:03

    The lecture concludes with the final mapping details for the lower layers. The instructor writes "PPP" and "PPPoE" next to the Network Interface layer, identifying them as protocols operating at this level. She also draws a small schematic on the left showing the flow of data through the layers, labeling them as "Applic," "Tm," "Netw," and "NwI" to illustrate the encapsulation process.

The lecture effectively bridges the gap between theoretical networking models and practical protocol implementation. By comparing the OSI and TCP/IP models, the instructor demonstrates that while the OSI model is a theoretical standard with seven layers, the TCP/IP model is a practical implementation with four layers. The mapping shows that the upper layers of OSI are combined in TCP/IP, while the lower layers are also consolidated. The inclusion of specific protocols like HTTP, TCP, and IP provides concrete examples of how these abstract layers function in real-world networking scenarios. This foundational knowledge is crucial for understanding network architecture and troubleshooting.

Loading lesson…