IT Topic4

Information Technology 03058002387

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Breaking

Sunday, 16 February 2020

Network Layer And Transport Layer,





Network Layer

*Network Header Has Packet Type
*Sequence and Acknowledgement Numbers
*No Error Recovery -- Data Can Be Lost
*Addressing across Multi-Node Network












Transport Layer

*Transport Header Has Packet Type
*Sequence and Acknowledgement Numbers
*Error Recovery Is End to End
*Upper Layers Can Count on Reliability









Complete Picture

*A Message with All Headers

*Session, Presentation, Application Omitted









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