While the OSI model is comprehensive reference framework for general networking systems, it's important to mention that the modern Internet doesn’t strictly follow the OSI model. The modern Internet more closely follows the simpler Internet protocol suite , which is commonly known as TCP/IP because the foundational protocols in the suite are ...

Feb 1, 2017 · The OSI model was designed to describe the OSI protocol suite. It never had any wider objective, although it has been misused for that purpose for 35 years. 'Open Systems' in its description refers only to the OSI protocol, and certainly does not mean 'these are the systems that are open and communicate with other systems'. –

Jun 8, 2023 · In which layer is HTTP in the OSI model? 0. osi model presentation layer formatting. 1. OSI Model Layer. 19.

Jul 16, 2015 · A packet is a general term for a formatted unit of data carried by a network. It is not necessarily connected to a specific OSI model layer. For example, in the Ethernet protocol on the physical layer (layer 1), the unit of data is called an "Ethernet packet", which has an Ethernet frame (layer 2) as its payload. But the unit of data of the ...

Nov 26, 2016 · The OSI model was released in 1984 as a standard for the ISO protocol suite that was released as a standard by the same organization. Generations of college teachers have mistakenly taught it as though it applies to the universe.

Presentation Layer The Presentation Layer represents the area that is independent of data representation at the application layer - in general, it represents the preparation or translation of application format to network format, or from network formatting to application format.

It's hard to see how REST API could belong to the Layer 6 or Layer 7 of the OSI Model. The Presentation layer provides for negotiation of the form of representation or syntax of the data that will be transferred. Usually mechanisms like character encoding (UTF, ASCII), data encryption and decryption are part of presentation layer.

e.g. I think in the TCP/IP reference model / architecture, it's Internetwork Layer not Network layer. Network layer is ISO/OSI terminology. And I think there's a "Link Layer" in the TCP/IP ref model that I don't see in your answer. And in the ISO OSI ref model, layer 1(Physical) I have heard a 'packet' there is called a symbol, Layer 2 is a frame.

Feb 22, 2012 · In the 4-layer IP Suite model, SSL/TLS is in the Application Layer, (although it is actually layered below other application layer protocols, such as HTTP). The successor to SSL, TLS, is even named 'Transport Layer security'.

Apr 24, 2017 · serial protocol in the osi model. In this web page a found this explanation: "In the International Organization for Standardization Open Systems Interconnection (ISO/OSI) model for network communication, serial communications operates between the physical layer and the application layer. The RS–232–C standard describes the physical layer.