Research Article
MultiCache: Multilayered Cache Implementation for I/O Virtualization
Table 1
Difference between two MultiCache components.
| ā | Guest-level component | Hypervisor-level component |
| Objective | To minimize the overhead between the shared storage and the guest VM | To minimize the overhead between the guest VM and the host | I/O unit | File | Sector | Optimization hint | File usage count | Sector I/O access frequency | Cache memory | Placed in the guest VM | Placed in the hypervisor | OS dependency | Yes | No |
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