name: DAP
full_form: Directory Access Protocol
context: applications discussed in this TR. The inter-DSA network provides: One logical database, as the DUA only needs one access point (requests are passed on internally using DSP). The possibility to provide local "shadow copies" for fast read access (using DISP). The possibility to define data fragments for different DSAs. As DAP is a fairly complex protocol, IETF developed a lightweight form of DAP, which is easier to handle. The drawback was that originally it was only intended as a client server application without any distribution. One of the more frequent ways round this problem was to define a protocol mapping from LDAP to DAP, which would allow the client a simple data handling and still provide the distribution necessary (see figure A.2.2). Figure A.2.2: LDAP in conjunction with an X.500 based distributed database Lightweight DAP (LDAP): defines the exchange of requests and outcomes between a DUA and a DSA (IETF). NOTE: The directory definitions from ITU-T were originally not
description: Directory Access Protocol (DAP) is a protocol used for accessing and managing directories in a network. It provides a way for clients to access and manipulate data stored in a directory server.
explanation: The text explicitly states that DAP is a protocol used for accessing and managing directories, indicating its function as a set of rules governing communication between entities involved in directory operations.
section_title: A.2The Network Architecture
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