Mapping Your Data to the Default SchemaChapter 3 How to Design the Schema 49Matching Data to Schema ElementsThe data you identified in your site survey now needs to be mapped to the existingdirectory schema. This process involves the following steps:• Identify the type of object the data describes.Select an object that best matches the data described in your site survey.Sometimes, a piece of data can describe multiple objects. You need todetermine if the difference needs to be noted in your directory schema. Forexample, a telephone number can describe an employee’s telephone numberand a conference room’s telephone number. It is up to you to determine if thesedifferent sorts of data need to be considered different objects in your directoryschema.• Select a similar object class from the default schema.It is best to use the common object classes, such as groups, people, andorganizations.• Select a similar attribute from the matching object class.Select an attribute from within the matching object class that best matches thepiece of data you identified in your site survey.• Identify the unmatched data from your site survey.If there are some pieces of data that do not match the object classes andattributes defined by the default directory schema, you will need to customizethe schema. See “Customizing the Schema,” on page 50, for more information.For example, the following table maps directory schema elements to the dataidentified during the site survey in chapter 2:Table 3-1 Data Mapped to Default Directory SchemaData Owner Object Class AttributeEmployee name HR person cn (commonName)User password IS person userPasswordHome phone number HR inetOrgPerson homePhoneEmployee location IS inetOrgPerson localityNameOffice phonenumberFacilities person telephoneNumber