Figure 3-30 Overview of CBM-NET Phase 2 Infrastructure .............................................. 73 Figure 3-31 Network overview for CBM-NET Phase 2/CBM-OA WAN .......................... 75 Figure 3-32 Physical network diagram for CBM-NET Phase 2 .......................................... 76 Figure 3-33 Logical network diagram for CBM-NET Phase 2 (YGN Main DC) ............... 77 Figure 3-34 Logical network diagram for CBM-NET Phase 2 (NPT DR).......................... 77 Figure 3-35 Transition plan of the rack usage ..................................................................... 80 Figure 3-36 Time chart on business days ............................................................................ 84 Figure 3-37 Detailed schedule of the design and development phase ................................. 97 Figure 3-38 Operation and maintenance cost for Phase 2 ................................................. 105 Figure 3-39 Composition of project cost ........................................................................... 110