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- Fall_back_and_forward abstract "Fall back is a feature of a modem protocol in data communication whereby two communicating modems which experience data corruption (due to line noise, for example) can renegotiate with each other to use a lower-speed connection. Fall forward is a corresponding feature whereby two modems which have \"fallen back\" to a lower speed can later return to the higher speed if the connection improves.A common feature modems was the concept of fallback, allowing them to talk to less-capable modems. During the call initiation the modem would play a series of signals into the line and wait for the remote modem to \"answer\" them. They would start at high speeds and progressively get slower and slower until they heard an answer. Thus, two USR modems would be able to connect at 9600 bit/s, but, when a user with a 2400-bit/s modem called in, the USR would \"fall back\" to the common 2400-bit/s speed. This would also happen if a V.32 modem and a HST modem were connected. Because they used a different standard at 9600 bit/s, they would fall back to their highest commonly supported standard at 2400 bit/s. The same applies to V.32bis and 14400 bit/s HST modem, which would still be able to communicate with each other at only 2400 bit/s.A modem that can fall back in order to communicate with an older, slower modem is an example of backward compatibility, while one that can fall back in order to communicate when the line becomes noisy is an example of graceful degradation.".
- Fall_back_and_forward wikiPageExternalLink foldoc.cgi?query=fall+back.
- Fall_back_and_forward wikiPageExternalLink foldoc.cgi?query=fall+forward.
- Fall_back_and_forward wikiPageExternalLink www.foldoc.org.
- Fall_back_and_forward wikiPageID "38463".
- Fall_back_and_forward wikiPageLength "1887".
- Fall_back_and_forward wikiPageOutDegree "10".
- Fall_back_and_forward wikiPageRevisionID "421381634".
- Fall_back_and_forward wikiPageWikiLink Backward_compatibility.
- Fall_back_and_forward wikiPageWikiLink Category:Computer_data.
- Fall_back_and_forward wikiPageWikiLink Data_corruption.
- Fall_back_and_forward wikiPageWikiLink Data_transmission.
- Fall_back_and_forward wikiPageWikiLink Fault_tolerance.
- Fall_back_and_forward wikiPageWikiLink Modem.
- Fall_back_and_forward wikiPageWikiLink Modem_protocol.
- Fall_back_and_forward wikiPageWikiLink Noise.
- Fall_back_and_forward wikiPageWikiLink Wikipedia:Foldoc_license.
- Fall_back_and_forward wikiPageWikiLinkText "Fall back and forward".
- Fall_back_and_forward wikiPageWikiLinkText "fallback".
- Fall_back_and_forward wikiPageUsesTemplate Template:For.
- Fall_back_and_forward subject Category:Computer_data.
- Fall_back_and_forward hypernym Feature.
- Fall_back_and_forward type Work.
- Fall_back_and_forward type Datum.
- Fall_back_and_forward type Redirect.
- Fall_back_and_forward comment "Fall back is a feature of a modem protocol in data communication whereby two communicating modems which experience data corruption (due to line noise, for example) can renegotiate with each other to use a lower-speed connection. Fall forward is a corresponding feature whereby two modems which have \"fallen back\" to a lower speed can later return to the higher speed if the connection improves.A common feature modems was the concept of fallback, allowing them to talk to less-capable modems.".
- Fall_back_and_forward label "Fall back and forward".
- Fall_back_and_forward sameAs Q5432110.
- Fall_back_and_forward sameAs Q5432110.
- Fall_back_and_forward wasDerivedFrom Fall_back_and_forward?oldid=421381634.
- Fall_back_and_forward isPrimaryTopicOf Fall_back_and_forward.