The Open Systems Interconnection (OSI) model is a reference model from the International Organization for Standardization (ISO) that "provides a common...
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nearest layer in the Open Systems Interconnection model. This list is not exclusive to only the OSI protocol family. Many of these protocols are originally...
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Internet protocol suite (redirect from TCP/IP model)
the OSI model, a more comprehensive reference framework for general networking systems. Initially referred to as the DOD Internet Architecture Model, the...
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Network layer (redirect from OSI layer 3)
In the seven-layer OSI model of computer networking, the network layer is layer 3. The network layer is responsible for packet forwarding including routing...
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Application layer (redirect from OSI layer 7)
specified in both the Internet Protocol Suite (TCP/IP) and the OSI model. Although both models use the same term for their respective highest-level layer...
11 KB (1,113 words) - 19:15, 8 August 2024
Physical layer (redirect from OSI layer 1)
In the seven-layer OSI model of computer networking, the physical layer or layer 1 is the first and lowest layer: the layer most closely associated with...
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political layer on top of the 7-layer OSI model of computer networking. The OSI model is a 7-layer abstract model that describes an architecture of data...
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Protocol data unit (section OSI model)
top-level SDU, the letter itself, emerges. Protocol data units of the OSI model are: The Layer 4: transport layer PDU is the segment or the datagram....
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Transport layer (redirect from OSI layer 4)
protocols in the network stack in the Internet protocol suite and the OSI model. The protocols of this layer provide end-to-end communication services...
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Communication protocol (section OSI standardization)
emerging Internet. International work on a reference model for communication standards led to the OSI model, published in 1984. For a period in the late 1980s...
65 KB (8,221 words) - 06:05, 27 August 2024
Link layer (section Relation to OSI model)
specifications use terminology from the seven-layer OSI model rather than the TCP/IP model. The TCP/IP model, in general, does not consider physical specifications...
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the seven-layer OSI model is often used as a reference for teaching and documentation, the protocols originally conceived for the model did not gain popularity...
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Session layer (redirect from OSI layer 5)
In the seven-layer OSI model of computer networking, the session layer is layer 5. The session layer provides the mechanism for opening, closing and managing...
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Presentation layer (redirect from OSI layer 6)
In the seven-layer OSI model of computer networking, the presentation layer is layer 6 and serves as the data translator for the network. It is sometimes...
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Data link layer (redirect from OSI layer 2)
The data link layer, or layer 2, is the second layer of the seven-layer OSI model of computer networking. This layer is the protocol layer that transfers...
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Network architecture (section OSI model)
specific types of hardware links. The Open Systems Interconnection model (OSI model) defines and codifies the concept of layered network architecture. Abstraction...
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stack is a] set of network protocol layers that work together. The OSI Reference Model that defines seven protocol layers is often called a stack, as is...
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Meter-Bus (section Relation to the OSI model)
Deutschland GmbH and Techem GmbH [de]. The concept was based on the ISO-OSI Reference Model, in order to realize an open system which could use almost any desired...
8 KB (1,159 words) - 03:08, 28 August 2024
Protocol Wars (redirect from Internet-OSI Standards War)
Commerce mandated compliance with the OSI model, while the US Department of Defense planned to transition from TCP/IP to OSI. Meanwhile, the development of a...
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protocols such as Modbus, at the cost of higher complexity. In terms of the OSI model for networks, DNP3 specifies a layer 2 protocol. It provides multiplexing...
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Covert channel (section Data hiding in OSI model)
the general design of network communication protocols. They employ the OSI model as a basis for their development in which they characterize system elements...
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EtherNet/IP performs at level session and above (level 5, 6 and 7) of the OSI model. CIP uses its object-oriented design to provide EtherNet/IP with the services...
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Open Source Initiative (redirect from OSI Certified)
certifying software licenses as compliant with it. OSI originally had a closed organizational model, but began to switch towards a membership organization...
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Look up OSI in Wiktionary, the free dictionary. OSI may refer to: Osijek Airport (IATA code: OSI), an airport in Croatia Ősi, a village in Veszprém county...
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Internet layer (section Relation to OSI model)
layer of the TCP/IP model is easily compared directly with the network layer (layer 3) in the Open Systems Interconnection (OSI) protocol stack, the...
6 KB (1,088 words) - 22:35, 6 August 2024
details of a subsystem. Examples of software models that use layers of abstraction include the OSI model for network protocols, OpenGL, and other graphics...
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network include electrical cable, optical fiber, and free space. In the OSI model, the software to handle the media is defined at layers 1 and 2 — the physical...
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transmission medium. These two sublayers together correspond to layer 2 of the OSI model. For compatibility reasons, LLC is optional for implementations of IEEE...
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uses the first and second layers of the OSI model, UDS utilizes the fifth and seventh layers of the OSI model. The Service ID (SID) and the parameters...
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in the link layer (layer 2 in the OSI model), such as Ethernet multicast, and at the internet layer (layer 3 for OSI) for Internet Protocol Version 4 (IPv4)...
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