Source: Preparatory Survey Team Figure 3-24 Configuration options (3) Prerequisite For the specification, CBM is required to determine a space for DR site prior to start procurement of infrastructure, and develop necessary facility and connect network between primary site before Jan. 2019. As a part of 3.3(2)(E), CBM is requested to complete WAN connections between CBM-NET and FIs (including with DR site) within 5 months after contract with infrastructure vendor. For the rules regarding to introduction of this infrastructure function, CBM may have to establish BCP includes switch over process and verification process before connection test 1, then appoint staffs for operation. 3.2.4.2.2 Redundancy of the Data The data in the database for CBM-NET is very important and must not be lost in any case. From the view of importance of data, the data redundancy for CBM-NET 65