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These are summarized in Table 2-1 and described in detail below.
Table
Type of Consolidation | Definition | Potential Benefit |
|
|
|
Centralization | Relocate to fewer sites | Reduction in administration costs |
|
| Increased reliability and availability |
|
| Lower operation costs |
|
| Improved security and management |
|
|
|
Physical Consolidation | Replace with larger | Reduced hardware and software costs |
| servers | Improved processor utilization |
|
| Reduced facilities costs (space, power, A/C) |
|
| Lower operations costs |
|
| Improved manageability |
|
|
|
Data Integration | Combine data from | Reduced storage management costs |
| multiple sources into a | Improved resource utilization |
| single repository | Reduction in administration costs |
|
| Improved backup/recovery capabilities |
|
| Enhanced data access and integrity |
|
|
|
Application Integration | Consolidation of | Reduction in administration costs |
| multiple applications | Increased reliability and availability |
| onto one server | Reduced facilities costs (space, power, A/C) |
| platform | Lower operation costs |
|
| Scalability |
|
|
|
Centralization
Server consolidation means different things to different people. As shown in Figure
London | Zurich | Toronto | Zurich | |
Sydney | Hong | Los | Hong | |
Kong | Angeles | Kong | ||
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Figure |
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Centralization involves relocating existing servers to fewer sites, for example, taking 20 servers scattered over three floors in your building and moving them