Lesson 8 .


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Email. Web facilitating (Internet/intranet) Database servers. Particular application servers ... Element Host Configuration Protocol (DHCP) Centralized infection ...
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Slide 1

Lesson 8 – EXPLORING DIRECTORY SERVICES

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OVERVIEW Directory administrations Specific catalog administrations

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DIRECTORY SERVICES Network Services: File stockpiling and sharing Printer sharing E-mail Web facilitating (Internet/intranet) Database servers Specific application servers Internet availability

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Directory administrations Networks Services: Dial-in/dial-out Fax Domain Name Service (DNS) Windows Internet Name Service (WINS) Dynamic Host Configuration Protocol (DHCP) Centralized infection recognition Backup and reestablish

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Forests, trees, roots, and leaves

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Forests, trees, roots, and leaves A commonplace index tree

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Providing repetition Directory administrations must be ensured with some excess. Repetition can be furnished with copy duplicates of the catalog on numerous servers.

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Providing excess Models: Primary/reinforcement (expert/slave) Multimaster

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Providing repetition Primary/reinforcement model: Single essential database contains essential index on one server. Different servers hold one or more reinforcement duplicates.

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Providing excess Multimaster model: Multiple index servers exist. A catalog server can partake in the work of the index administration.

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SPECIFIC DIRECTORY SERVICES Novell Directory Services (NDS) Microsoft\'s Windows NT area Microsoft\'s Active Directory X.500 Directory Access Protocol (DAP) Lightweight Directory Access Protocol (LDAP)

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Novell Directory Services (NDS) Reliable Robust Primary/reinforcement approach Compatible with a few frameworks

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Microsoft\'s Windows NT space Divides an association into areas. Areas are geologically sorted out. A Primary Domain Controller (PDC) controls an area. One or more Backup Domain Controllers (BDC) are advanced if PDC comes up short.

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Microsoft\'s Windows NT space Domain models: Single area Master space Multiple expert space Complete trust

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Microsoft\'s Active Directory Helps to oversee huge Networks. Utilizes an associate methodology. Is good with LDAP (rendition 2 and 3) and the DNS utilized on the Internet. Separate association units are permitted inside a space.

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X.500 Directory Access Protocol (DAP) Defines an Internet registry administration. Is excessively intricate, making it impossible to actualize because of its wide materialness.

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Lightweight Directory Access Protocol (LDAP) Runs over TCP/IP. Utilizes a customer/server model. Is prevalently secured by RFC 1777 (form 2) and RFC 2251 (rendition 3). Depicts the design, fields, and strategies to be utilized.

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Lightweight Directory Access Protocol (LDAP) Basic models: Information model Naming model Functional model Security model

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Lightweight Directory Access Protocol (LDAP)

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SUMMARY Directory administration: Network administrations Forests, trees, roots, and leaves Providing excess

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Summary Specific Directories: Novell Directory Services (NDS) Microsoft\'s Windows NT space Microsoft\'s Active Directory X.500 Directory Access Protocol (DAP) Lightweight Directory Access Protocol (LDAP)

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