A Multinational Enterprise and its ExtranetChapter 8 Directory Design Examples 167example.com has grown into an organization dispersed over three maingeographic locations: the US, Europe, and Asia. example.com now has more than20,000 employees, all of which live and work in the countries where theexample.com offices are located. example.com decides to launch a company-wideLDAP directory to improve internal communication, to make it easier to developand deploy web applications, and to increase security and privacy.Designing a directory tree for an international corporation involves determininghow to logically collect directory entries, how to support data management, andhow to support replication on a global scale.In addition, example.com wants to create an extranet for use by its parts suppliersand trading partners. An extranet is an extension of an enterprise’s intranet toexternal clients.The following sections describe the steps in the process of deploying amultinational directory service and extranet for example.com International:• Data Design• Schema Design• Directory Tree Design• Topology Design• Replication Design• Security DesignData Designexample.com International creates a deployment team to perform a site survey.The deployment team determines the following from the site survey:• Netscape Messaging Server is used to provide electronic mail routing,delivery, and reading services for most of example.com’s sites. Enterpriseserver is used to provide document publishing services. All servers run on theSolaris UNIX operating system.• example.com needs to allow data to be managed locally. For example, theEuropean site will be responsible for managing the Europe branch of thedirectory. This also means that Europe will be responsible for the master copyof its data.• Because of the geographic distribution of example.com’s offices, the directoryneeds to be available to users and applications 24 hours a day.
