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Lecture_8_Transport-Layer.pptx

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Lecture_8_Transport-Layer.pptx

  1. 1. Transport Layer Afsana Begum
  2. 2. Position of transport layer 1/29/2023
  3. 3. Process-to-Process Delivery: UDP and TCP 1/29/2023
  4. 4. Process-to-Process Delivery Client-Server Paradigm Multiplexing and Demultiplexing Connectionless/Connection-Oriented Reliable/Unreliable 1/29/2023
  5. 5. The transport layer is responsible for process-to-process delivery. Note: 1/29/2023
  6. 6. Types of data deliveries 1/29/2023
  7. 7. Port numbers 1/29/2023 Unit-4 : Transport Layer
  8. 8. IP addresses versus port numbers 1/29/2023 Unit-4 : Transport Layer
  9. 9. TCP Byte Streaming Full Duplex multiplexing Segments Connection Oriented (Reliability, 3 way handshaking) Flow and Error Control (Checksum) 1/29/2023 Unit-4 : Transport Layer
  10. 10. Size 20 bytes to 60 bytes d.o.= Data Offset (header length) Options and padding- to know mss
  11. 11. UDP Port Numbers User Datagram Applications 1/29/2023
  12. 12. UDP is a connectionless, unreliable protocol that has no flow and error control. It uses port numbers to multiplex data from the application layer. Note: 1/29/2023
  13. 13. User datagram format 1/29/2023
  14. 14. The calculation of checksum and its inclusion in the user datagram are optional. Note: 1/29/2023

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