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NIS+ is a directory service developed by Sun Microsystems to replace its older 'NIS' (Network Information Service). It is designed to eliminate the need for duplication across many computers of configuration data such as user accounts, host names and addresses, printer information and NFS disk mounts on individual systems, instead using a central repository on a master server, simplifying system administration. NIS+ client software has been ported to other Unix and Unix-like platforms. Prior to the release of Solaris 9 in 2002, Sun announced its intent to remove NIS+ from Solaris in a future release and now recommends that customers instead use an LDAP-based lookup scheme. NIS+ was present in Solaris 9 and 10 (although both releases include tools to migrate NIS+ data to an LDAP server)〔(【引用サイトリンク】NIS+ End-of-Feature (EOF) Announcement FAQ )〕 and it has been removed from Solaris 11.〔(【引用サイトリンク】title=End of Feature Notices for Oracle Solaris 11 )〕 == NIS vs. NIS+ == NIS and NIS+ are similar only in purpose and name, otherwise, they are completely different implementations. They differ in the following ways: * NIS+ is hierarchical. * NIS+ is based around Secure RPC (servers must authenticate clients and vice versa). * NIS+ may be replicated (replicas are read-only). * NIS+ implements permissions on directories, tables, columns and rows. * NIS+ also implements permissions on operations, such as being able to use nisping to transfer changed data from a master to a replica. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「NIS+」の詳細全文を読む スポンサード リンク
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