This diagram illustrates a distributed Oracle9iAS Metadata Repository. On Host 1, there is an Oracle9iAS Infrastructure configured with Oracle9iAS Metadata Repository, Oracle Internet Directory and Oracle9iAS Single Sign-On. On Host 2, there is an Oracle9iAS Infrastructure configured with Oracle9iAS Metadata Repository. The Oracle Application Server Release 2 (9.0.2) middle tier components such as Oracle9iAS Portal and Oracle9iAS Wireless use the Oracle9iAS Metadata Repository on Host 2.