LDAP Combination of Name and directory Service Directories organizes its obiects by hierarchy. For example, LDAP oganizes objects in the form of tree, which is called directory information tree(DI) When the directory service and naming service combine in this way, they not only provide naming space, but also serve as the container of object attributes ■LDAP, LDAP SERⅤER, LDAP Directory, OLTP
LDAP ◼ Combination of Name and Directory Service ◼ Directories organizes its objects by hierarchy. For example, LDAP oganizes objects in the form of tree, which is called directory information tree (DIT). ◼ When the directory service and naming service combine in this way, they not only provide naming space, but also serve as the container of object attributes. ◼ LDAP, LDAP SERVER, LDAP Directory， OLTP
LDAP LDAP (Lightweight Directory Access Protocol) Standard, extensible directory access protocol Application client Directory Server A pplIcation Request Reply Receive Message Access Directory Return Reply API Directory Client TCP/IP TcP∥P Request Message Directory Reply Message
LDAP ◼ LDAP( Lightweight Directory Access Protocol) ◼ Standard, extensible directory access protocol
Why LDAP? Open solution Extensible format Programmable from standard APis Gateway services(prior to DNS Vendor support((IBM, Netscape, Novel, -.) Platform independent TCP/IP support (different from X 500) X500: ISO Specification for Directory Services X500: Defined for the osI Protocol Stack, so very heavy weight Directory Access Protocol
Why LDAP? Open solution. Extensible format Programmable from standard APIs Gateway services (prior to DNS) Vendor support (IBM, Netscape, Novell,…) Platform independent TCP/IP support (different from X.500) X.500: ISO Specification for Directory Services X.500: Defined for the OSI Protocol Stack,so very heavy weight Directory Access Protocol