Win_add is an allowance for extra noise alarms in the search window used by Robust_search, an alarm-correlation method described in a 2002 paper. It is not established as the name of a standalone network protocol or current industry standard. The parameter lets the method look for an ordered alarm-type sequence even when additional alarms appear between its events.
What Win_add means in the paper
In Intelligent Search of Correlated Alarms from Database Containing Noise Data, Qingguo Zheng, Ke Xu, Weifeng Lv, and Shilong Ma describe Robust_search for finding alarm-correlation rules in databases that contain noise. The paper introduces Win_add as the number of extra noise alarms the search window can accommodate while seeking a target sequence of alarm types. The paper listing and text identify it as a February 2002 conference paper, with DOI 10.1109/NOMS.2002.1015598.
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Conceptually, the method searches for the target ordered sequence inside a larger window. The target sequence supplies the base length; Win_add supplies an additional allowance for intervening noise alarms. It is therefore a search parameter governing tolerance for extra events, not a message format or procedure that network devices exchange.
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How the extra-alarm window helps
Suppose an alarm database contains events matching an ordered pattern, but unrelated alarms occur among them. A search that required the target events to appear without extras could miss that pattern. With Win_add, Robust_search can consider a wider window and allow some additional alarms while looking for the ordered sequence.
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The parameter changes how much noise the search formulation can accommodate. It does not, by itself, identify which alarms are meaningful or prove that a detected relationship is causal.
What the paper reports about larger values
The paper’s abstract reports that, in its experiments on an alarm database containing noise, Robust_search discovered more rules with a bigger Win_add. That is a study-specific reported result, not evidence that increasing the parameter improves outcomes for every dataset or is a recommended setting in current network operations. The available account does not establish numerical gains or how false positives, computational cost, or other measures changed as the value increased.
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Related terms in the same method
Win_freq: The paper names this separately fromWin_addas a measure related to noise data. The available description does not establish enough detail to compare their full roles.- Confidence and correlation: The authors say they compared these as interestingness measures for the rules. The reported information does not show that one is superior.
Is “Win Add protocol” a current standard?
The available source supports interpreting “Win Add” as the paper’s Win_add parameter. It does not establish “Win Add protocol” as a formal, independent protocol name, a standards-body specification, or a currently deployed network standard. Use the term in the context of this particular Robust_search method unless a separate, authoritative source establishes another meaning.
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