Error Control and Flow Control
  • To ensure reliable communication and good communication, there needs to present of flow control, and error control.

That means,

  1. managing the amount of data the sender sends
  2. that data arrives at the destination error free
  • Flow and error control needs to be checked at several times of every layers .
  • For node-to-node links, flow and error control is carried out in the data-link layer.
  • For end-point to end-point, flow and error control is carried out in the transport layer.

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