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- Directory_Assistance_Service abstract "The Directory Assistance Service (DAS) is an obsolete protocol and service for accessing X.500 directory services. DAS was intended to provide a lightweightmeans for clients to access X.500 directory services via a split-Directory User Agent model. Here the Directory User Agent (DUA) (the directory client) is split into a Directory Assistance (DA) client and a Directory Assistant. The directory user would interact with the DA-client, the DA-Client would communicate with the Directory Assistant using the DA protocol, and the Directory Assistant would communicate with the Directory Service using the X.500 Directory Access Protocol (DAP). That is, the Directory Assistant is a Directory Assistance protocol to DAP gateway. This design allows the DA-client to access the directory without requiring it to support the cumbersome Open Systems Interconnection protocol stack.The Directory Assistance Service was created in 1990 by Marshall Rose while at Performance Systems International, Inc., and formally specified in RFC 1202 (published in 1991), it was an evolution of the DISH client/server interface in Quipu, developed by Colin Robbins while at University College London.These and related efforts, such as DIXIE, lead to the development of the Lightweight Directory Access Protocol. LDAP replaced the Directory Assistance Service.".
- Directory_Assistance_Service wikiPageID "3898710".
- Directory_Assistance_Service wikiPageRevisionID "533534544".
- Directory_Assistance_Service hasPhotoCollection Directory_Assistance_Service.
- Directory_Assistance_Service subject Category:Internet_protocols.
- Directory_Assistance_Service type Abstraction100002137.
- Directory_Assistance_Service type Communication100033020.
- Directory_Assistance_Service type Direction106786629.
- Directory_Assistance_Service type InternetProtocols.
- Directory_Assistance_Service type Message106598915.
- Directory_Assistance_Service type Protocol106665108.
- Directory_Assistance_Service type Rule106652242.
- Directory_Assistance_Service comment "The Directory Assistance Service (DAS) is an obsolete protocol and service for accessing X.500 directory services. DAS was intended to provide a lightweightmeans for clients to access X.500 directory services via a split-Directory User Agent model. Here the Directory User Agent (DUA) (the directory client) is split into a Directory Assistance (DA) client and a Directory Assistant.".
- Directory_Assistance_Service label "Directory Assistance Service".
- Directory_Assistance_Service sameAs m.0b5t_t.
- Directory_Assistance_Service sameAs Q5280714.
- Directory_Assistance_Service sameAs Q5280714.
- Directory_Assistance_Service sameAs Directory_Assistance_Service.
- Directory_Assistance_Service wasDerivedFrom Directory_Assistance_Service?oldid=533534544.
- Directory_Assistance_Service isPrimaryTopicOf Directory_Assistance_Service.