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Encapsulation is a fundamental concept in computer networking and object-oriented programming. It involves bundling data and methods that operate on the data into a single unit, often referred to as a class in programming or a protocol data unit (PDU) in networking.
Encapsulation in Networking
In the context of networking, encapsulation refers to the process of adding protocol-specific information to data as it moves through the layers of the OSI or TCP/IP model. This additional information, known as headers and trailers, is essential for the proper routing and delivery of data across networks1.
OSI Model Encapsulation
Application Layer: No additional information is added at this layer.
Transport Layer: The data is segmented, and a header containing information like source and destination ports is added. The encapsulated data is called a segment or datagram.
Network Layer: A header with source and destination IP addresses is added, forming a packet.
Data Link Layer: A header and trailer are added, containing MAC addresses and error-checking information, forming a frame.
Physical Layer: The frame is converted into bits for transmission13.
How Data Encapsulation and De-encapsulation Works?
Encapsulation is the process of adding additional information when data is traveling in an OSI or TCP/IP model. The information has been added on the sender’s side, from the Application layer to the Physical layer. See more
- 1. No additional information will be added to the user’s data in the Application layerin th…
- 2. The Session layer sends data to the Transport layer. See more
The encapsulated data is called by different names when it travels down following layers. Those names are called Protocol Data Unit. The following table … See more
The Internet Protocol suite, also known as TCP/IP, contains the most extensively used network protocols and was created by the United States Department of Defence. The TCP/IP model was designed to work on a wide range of computer types. While the TCP/IP and OSI models share design concepts, but they are differ. The key distinction … See more
De-encapsulation is the exact reverse process of encapsulation. The additional information added on the sender’s side(during encapsulation) gets removed when it travels on the receiver’s side from the Physical layerto the Application layer. See more
How Does Encapsulation in Networking Work?
Encapsulation and de-encapsulation are running simultaneously in a network. Encapsulation is executed on the sender’s end, while de-encapsulation is …
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Encapsulation in Networking - NETWORK …
Jan 11, 2024 · In this article, we’ll dive into the intricacies of encapsulation in networking, unraveling its importance, how it works, and why it’s crucial for …
- Estimated Reading Time: 2 mins
What Is Encapsulation? - Coursera
Mar 13, 2025 · Encapsulation is a concept used in object-oriented programming (OOP) to bundle data and methods into easy-to-use units. To better understand encapsulation, view it as a medicine capsule that masks its contents.
Data Encapsulation and De-encapsulation Explained
Oct 24, 2024 · This tutorial explains data encapsulation and de-encapsulation in detail with examples. Learn how data is encapsulated and de-encapsulated …
- Estimated Reading Time: 8 mins
Intro to encapsulation and decapsulation in networking
Jan 26, 2022 · Encapsulation and decapsulation in networking are foundational concepts in data transfer. Learn how they work with the layers of the OSI and TCP/IP models.
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Encapsulation in OSI and TCP/IP Models - Study-CCNA
The term encapsulation is used to describe a process of adding headers and trailers around some data. This process can be explained with the four-layer TCP/IP model, with each step …
Data Encapsulation: What It Is, How It Works, and …
Jan 22, 2025 · Data encapsulation, sometimes called data hiding, is a technique used in programming and networking to keep certain details of a class or data hidden from the user. Users only interact with data through specific actions, …
How Encapsulation Works Within the TCP/IP Model
Aug 17, 2018 · An article breaking down how encapsulation works within the TCP/IP model. Also includes a look at some of the layers of the TCP/IP model.
What Is Encapsulation In Networking - ITU Online IT …
Encapsulation in networking is the process of wrapping data with protocol-specific headers and trailers as it moves through the OSI or TCP/IP model layers. This ensures proper data transmission and interpretation across different network …
Difference between encapsulation and decapsulation
May 17, 2023 · Encapsulation is adding headers and trailers to data packets (small units of data) for transmitting information which helps in the transfer of packets with their dedicated path to …
What is Data Encapsulation and de-encapsulation in networking?
Nov 5, 2021 · How Data Encapsulation and De-encapsulation Works? Data encapsulation and de-encapsulation are fundamental concepts in computer networking and communication …
A Comprehensive Guide to Encapsulation in Networking
Mar 31, 2024 · By encoding messages in successive protocol wrappers, encapsulation allows different networks to communicate reliably. In this comprehensive 2845 word guide around …
Describe the encapsulation process in TCP/IP, detailing how data …
Apr 2, 2024 · The encapsulation process in the TCP/IP model is a fundamental concept in computer networking that plays a important role in ensuring effective communication between …
What is Data Encapsulation and de-encapsulation in networking?
Mar 4, 2020 · Data Encapsulation is the process in which some extra information is added to the data item to add some features to it. We use either the OSI or the TCP/IP model in our …
Understanding OSI Model Layers and Encapsulation - Lazarin Kroni
Sep 29, 2023 · Encapsulation: The Key to Efficient Communication. A fundamental concept in the OSI model is encapsulation. This process involves wrapping data with header information at …
Encapsulation in OOP: What Is It and How Does It Work?
Apr 16, 2024 · Encapsulation is a way to bundle coding pieces together, allowing for greater security and simplifying data hiding. Generally speaking, encapsulation works by limiting …
DATA ENCAPSULATION — How Data Traverses Through A …
Jan 27, 2023 · Data encapsulation is the process of wrapping data in a protective layer, or encapsulating it, before it is transmitted over a network. The encapsulation process involves …
The sending and receiving of data from a source device to the destination device is possible with the help of networking protocols when data encapsulation is used. The data is encapsulated …
Encapsulation: How Does Encapsulation Enhance Data …
Dec 15, 2023 · Encapsulation is a method where data is bundled with the programs that work on that data. It primarily functions to wrap the data and the code together as a combined unit. …
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