q explain stop--and--wait automatic repeat
Q. Explain Stop--and--Wait automatic repeat request?
1. Numbering frames prevents the retaining off duplicate frames.
2. Numbered acknowledgement are needed in case of delayed ACK and next frame lost.
Expected delivery within 24 Hours
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
q explain stop--and--wait automatic repeat request1 numbering frames prevents the retaining off duplicate frames2 numbered acknowledgement are needed
q illustrate the drawbacks of stop and waitdrawbacks of stop and wait - only one frame is able to be in transit at a time- after every frame sent the
q what is sliding window protocolsalternatives sliding window protocols - one task begins prior to the other one ends
switch in a physical ring configuration any disabled or else disconnected node can disable the entire network use of a switch can permit the ring to
q illustrate about sliding window protocols- sliding window- keeps the unacknowledged outstanding frames in sender- keeps the expected frames in
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