q describe flow and error control mechanismsflow
Q. Describe Flow and Error Control Mechanisms?
Flow and Error Control Mechanisms
- Stop and Wait ARQ
- Go-Back ARQ
- Selective Repeat ARQ
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when an error is discovered the receiver is able to ask the sender to retransmit the entire data uniterror correction-forward error correction a
q error correction in burst error correctionerror correction-burst error correction in its place of sending all the bits in a data unit together we
q what do you mean by flow control- how much data sender is capable to transmit before receiving the ack- why flow control- limitation with receiver1
q show the use of flow controlflow control denotes to a set of procedures used to restrict the amount of data that the sender can send before waiting
q describe flow and error control mechanismsflow and error control mechanisms - stop and wait arq- go-back arq- selective repeat
q illustrate stop-and-wait automatic repeat request- simplest flow as well as error control mechanism- the sending device keeps a duplicate copy of
token passing - token ring ieee 8025 needs that station take turns sending data token passing coordinates process token is a especially formatted
q why we use numbering frameswhy numbering framesstop--and-wait arq 1 numbering frames prevents the retaining of duplicate frames2 numbered
priority and reservation higher priority stations may possibly access the token sooner each station has a priority code since token passes by
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