我们的目标是通过将支持多数据传输，包括virtio串口和模拟串口的通讯机制集成到qemu中来简化这个问题。
Our goal is to simplify this problem by integrating a communication mechanism into qemu that can support multiple data transports including virtio-serial and emulated serial.
RFCOMM称作虚拟串口协议(virtual serial port protocol)，因为它允许蓝牙设备模拟串口的功能。
RFCOMM is known as the virtual serial port protocol because it allows a Bluetooth device to simulate the functions of a serial port.
物理硬盘可以完全不同—例如，尽管一个IDE驱动器被模拟为客户操作系统，物理硬件平台可以使用一个串口ata (SATA)驱动器。
The physical hardware can differ greatly-for example, while an IDE drive is emulated to the guest operating systems, the physical hardware platform can use a serial ATA (SATA) drive.
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