Flow Control Definition/Meaning:
Procedures used to limit the rate at which data is transmitted to
the rate at which it can be received. There are two major classes of flow control: end-to-end and hop-by-hop. Find-to-end flow
control limits the amount of data according to the capacity of the final
destination to absorb it, without regard to the path through the network taken
by the data (which may vary from message to message). Hop-by-hop flow control
limits the amount of data sent according to the capacity of each individual node
and/or link on the path through the network. In this latter case, the path is
usually constant for the lifetime of the connection between sender and receiver.
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