DSA

DSA may stand for:Information technologyDigital Signature AlgorithmDirectory System Agent, part of X.500Directory Service Agent, part of Microsoft ExchangeDynamic Storage Allocation, a frequent synonyme for Dynamic Memory AllocationDynamic System Analysis, an IBM software productDigital subtraction angiography, a kind of angiographyDigital Simulation Archives, a disk containing video archives from The Centre (The Pretender)Distributed Systems Architecture, the proprietary network architecture of Groupe Bull
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Abbreviation for dial service assistance.

A network-provided service feature, associated with the switching center equipment, in which services, such as directory assistance, call interception, random conferencing, and precedence calling assistance, are rendered by an attendant. (188 )

Directory System Agent

Designated Security Authority
  

Airport Name: Robin Hood Airport Doncaster Sheffield
Airport Location: Doncaster, England, United Kingdom
IATA Code: DSA
ICAO Code: EGCN