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OSI, TCP/IP, & PDUs

OSI model, PDUs, and TCP/IP stack

TermDefinition
Physical layer The lowest/first layer in the OSI model
Bits The PDU for the physical layer
Signals The PDU for the physical layer
Data-Link layer The second layer in the OSI model
Frames The PDU for the Data-Link layer
Network Interface The TCP/IP stack version of the physical and data-link layers from the OSI model
Network Interface The lowest layer in the TCP/IP stack
Network layer The third layer in the OSI model
Packets The PDU for the Network layer
Internet layer The TCP/IP stack equivalent of the Network layer from the OSI model
Transport layer The fourth layer of the OSI model
Transport layer The third layer of the TCP IP stack
Transport layer The TCP/IP stack equivalent of the Transport layer from the OSI model
Segments The PDU for the Transport layer
PDU Protocol data units
PDUs Bits/signal, frames, packets, segments
Session layer The fifth layer of the OSI model
Presentation layer The sixth layer of the OSI model
Application layer The seventh layer of the OSI model
Application layer The TCP/IP stack equivalent of the Session, Presentation, and Application layers
Application layer The fourth layer of the TCP/IP model
Application layer The highest layer of the OSI model
Application layer The highest layer of the TCP/IP stack
Created by: abruton
 

 



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