| slovo | definícia |
backward combatability
(foldoc) | backward combatability
/bak'w*d k*m-bat'*-bil'*-tee/ (Play on "{backward
compatibility}") A property of hardware or software revisions
in which previous protocols, formats, layouts, etc. are
irrevocably discarded in favour of "new and improved"
protocols, formats and layouts, leaving the previous ones not
merely deprecated but actively defeated. (Too often, the old
and new versions cannot definitively be distinguished, such
that lingering instances of the previous ones yield crashes or
other infelicitous effects, as opposed to a simple "version
mismatch" message.) A backward compatible change, on the
other hand, allows old versions to coexist without crashes or
error messages, but too many major changes incorporating
elaborate backward compatibility processing can lead to
extreme software bloat.
See also flag day.
[Jargon File]
(2003-06-23)
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backward combatability
(jargon) | backward combatability
/bak'w@rd k@m·bat'@·bil'@·tee/, n.
[CMU, Tektronix: from backward compatibility] A property of hardware or
software revisions in which previous protocols, formats, layouts, etc. are
irrevocably discarded in favor of ‘new and improved’ protocols, formats,
and layouts, leaving the previous ones not merely deprecated but actively
defeated. (Too often, the old and new versions cannot definitively be
distinguished, such that lingering instances of the previous ones yield
crashes or other infelicitous effects, as opposed to a simple “version
mismatch” message.) A backwards compatible change, on the other hand,
allows old versions to coexist without crashes or error messages, but too
many major changes incorporating elaborate backwards compatibility
processing can lead to extreme software bloat. See also flag day.
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