Chapter 004.ppt
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The document discusses network models and protocols. It describes the layered tasks involved in sending a letter as an analogy for communication networks. It then introduces the OSI model developed by ISO, which defines a seven-layer architecture for network communication. Each layer of the OSI model performs specific functions to enable data transfer. The document also discusses the TCP/IP protocol suite, which has a similar but not identical layer structure to the OSI model.
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The document discusses layered tasks and the OSI model. The OSI model has 7 layers - physical, data link, network, transport, session, presentation, and application layer. Each layer has a specific role like the physical layer deals with bit transmission, data link layer deals with frame transmission, network layer deals with packet delivery between hosts, transport layer deals with reliable message delivery between processes, and the application layer provides services to users. The TCP/IP protocol suite is similar to the OSI model but has 5 layers - physical, data link, network, transport, and application layer. Network communication involves different addressing at each layer like physical addresses, IP addresses, and port numbers.
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This document discusses network models and the OSI model. It describes the seven layers of the OSI model which are physical, data link, network, transport, session, presentation, and application. Each layer has a specific function like the physical layer is responsible for bit transmission between nodes, the data link layer handles frame transmission between nodes, the network layer handles packet delivery from source to destination host, etc. It also discusses the TCP/IP protocol suite and how it maps to the OSI layers. Finally, it covers the different addressing schemes used in TCP/IP including physical, logical, port, and specific addresses.
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This document discusses network models and the OSI model. It describes the seven layers of the OSI model which are physical, data link, network, transport, session, presentation, and application. Each layer has a specific function like the physical layer is responsible for bit transmission between nodes, the data link layer handles frame transmission between nodes, the network layer handles packet delivery from source to destination host, etc. It also discusses the TCP/IP protocol suite and how it maps to the OSI layers. Finally, it covers the different addressing schemes used in TCP/IP including physical, logical, port, and specific addresses.
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This document discusses network models and the OSI model. It describes the seven layers of the OSI model which are physical, data link, network, transport, session, presentation, and application. Each layer has a specific function like the physical layer is responsible for bit transmission between nodes, the data link layer handles frame transmission between nodes, the network layer handles packet delivery from source to destination host, etc. It also discusses the TCP/IP protocol suite and how it maps to the OSI layers. Finally, it covers the different addressing schemes used in TCP/IP including physical, logical, port, and specific addresses.
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This document discusses network models and addressing in computer networks. It describes the OSI model, which defines seven layers of network functionality: physical, data link, network, transport, session, presentation, and application. It also discusses the TCP/IP protocol suite and how it maps to the OSI layers. There are four levels of addressing in TCP/IP: physical, logical, port, and specific. Physical addresses are used to deliver frames between directly connected nodes, while logical addresses are used to route packets from source to destination hosts across multiple hops. Port addresses further allow multiple processes on a host to communicate.
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This document discusses network models and addressing in computer networks. It describes the OSI model, which defines seven layers of network functionality: physical, data link, network, transport, session, presentation, and application. It also discusses the TCP/IP protocol suite and how it maps to the OSI layers. There are four levels of addressing in TCP/IP: physical, logical, port, and specific. Physical addresses are used to deliver frames between directly connected nodes, while logical addresses are used to route packets from source to destination hosts across multiple hops. Port addresses further specify the applications within hosts.
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#MongoDB #VectorSearch #AI #SemanticSearch #TechInnovation #DataScience #LLM #MachineLearning #SearchTechnology
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Presented by Vladimir Iglovikov:
- https://www.linkedin.com/in/iglovikov/
- https://x.com/viglovikov
- https://www.instagram.com/ternaus/
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Mental Health: Maintaining balance and not feeling pressured by user demands.
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Explore more about Albumentations and join the community at:
GitHub: https://github.com/albumentations-team/albumentations
Website: https://albumentations.ai/
LinkedIn: https://www.linkedin.com/company/100504475
Twitter: https://x.com/albumentationsRecently uploaded (20)
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How to Get CNIC Information System with Paksim Ga.pptx
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Enchancing adoption of Open Source Libraries. A case study on Albumentations.AI
Chapter 004.ppt
- 2. 4.2 4-1 LAYERED TASKS We use the concept of layers in our daily life. As an example, let us consider two friends who communicate through mail. The process of sending a letter to a friend would be complex if there were no services available from the other office. Sender, Receiver, and Carrier Hierarchy Topics discussed in this section:
- 3. 4.3 Figure 4.1 Tasks involved in sending a letter
- 4. 2.4 4-2 THE OSI MODEL Established in 1947, the International Standards Organization (ISO) is a multinational body dedicated to worldwide agreement on international standards. An ISO standard that covers all aspects of network communications is the Open Systems Interconnection (OSI) model. It was first introduced in the late 1970s. Layered Architecture Peer-to-Peer Processes Encapsulation Topics discussed in this section:
- 5. 2.5 ISO is the organization. OSI is the model. Note
- 6. 2.6 Figure 2.2 Seven layers of the OSI model
- 7. 2.7 Figure 2.3 The interaction between layers in the OSI model
- 8. 2.8 Figure 2.4 An exchange using the OSI model
- 9. 2.9 2-3 LAYERS IN THE OSI MODEL In this section we briefly describe the functions of each layer in the OSI model. Physical Layer Data Link Layer Network Layer Transport Layer Session Layer Presentation Layer Application Layer Topics discussed in this section:
- 10. 2.10 Figure 2.15 Summary of layers
- 11. 2.11 2-4 TCP/IP PROTOCOL SUITE The layers in the TCP/IP protocol suite do not exactly match those in the OSI model. The original TCP/IP protocol suite was defined as having four layers: host-to- network, internet, transport, and application. However, when TCP/IP is compared to OSI, we can say that the TCP/IP protocol suite is made of five layers: physical, data link, network, transport, and application. Physical and Data Link Layers Network Layer Transport Layer Application Layer Topics discussed in this section:
- 12. END 2.12