ATIS Telecom Glossary
Friday, December 19, 2014

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Lattice

1. A partially ordered mathematical set for which every pair of elements has a greater lower bound and a least upper bound [CESG]. Note: A lattice may be used to represent the relationship between security classes. A security clearance specifies the least upper bound of security classes of objects for which access rights may be granted. See also: Dominance. 2. A partially ordered set for which every pair of elements has a greatest lower bound and a least upper bound [TCSEC].

 

 

 

 

 

 

 

 

 

 



 
These definitions were prepared by ATIS Committee PRQC
 
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