The Lightweight Directory Access Protocol (LDAP; /ˈɛldæp/) is an application protocol for accessing and maintaining distributed directory information services over an Internet Protocol (IP) network.
Directory services may provide any organized set of records, often with a hierarchical structure, such as a corporate email directory. Similarly, a telephone directory is a list of subscribers with an address and a phone number.
LDAP is specified in a series of Internet Engineering Task Force (IETF) Standard Track Request for Comments (RFCs), using the description language ASN.1. The latest specification is Version 3, published as RFC 4511.
| Internet protocols |
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| Application layer |
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| Transport layer |
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| Routing protocols * |
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| Internet layer |
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| Link layer |
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| * Not a layer. A routing protocol belongs either to application or network layer. |
Read more about Lightweight Directory Access Protocol: Origin and Influences, Protocol Overview, Directory Structure, LDAP URLs, Schema, Variations, Other Data Models, Usage
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