IT Topic4

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Monday, 17 February 2020

LAYER 4 – The TRANSPORT Layer




LAYER 4 – The TRANSPORT  Layer

  Manages the transmission (transport) of data across a network.
  Manages the flow of data between parties by segmenting long data streams into smaller data chunks (based on allowed “packet” size for a given transmission medium)
  Reassembles chunks into their original sequence at the receiving end.
  Provides acknowledgements of successful transmissions and requests resends for packets which arrive with errors.








The transport layer is responsible for the delivery
of a message from one process to another
.






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