A technical specialist has a requirement to implement a 4-way POWER5 server with a small Web server partition and a high performance database server partition. The Web server provides a client front-end to the database server. The most important concerns are speed of communication between the Web server and the database and I/O speed of the database. Which of the following virtualization features would be most appropriate？（）
- AVirtual SCSI
- BVirtual Ethernet
- CVirtual I/O Server
- DMicro-Partitioning