Virtual Computer I/O Data Channel Segmentation
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Solution Overview
Problem
Existing virtual computer systems face challenges in effectively transferring and processing input/output (I/O) data between local computers and remote virtual computers, particularly in handling events and providing output signals to I/O devices, such as indicating new emails or VoIP calls, across data channels.
Innovation Solution
Establishing a first data channel between a processor and a virtual computer, which includes a second data channel for I/O data transfer, allowing the processor to receive output messages with device class identifiers and provide corresponding output signals to I/O devices, such as activating light sources or playing sounds, based on events detected by the virtual computer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single data channel is used for communication between processor and virtual computer, then communication simplicity is maintained, but I/O data transfer capability is insufficient
Solution Approach 1:
The patent divides the data communication infrastructure into two distinct channels: a first data channel for general communication and a second data channel specifically for I/O data transfer. This segmentation allows each channel to be optimized for its specific purpose, enabling versatile I/O operations without requiring complete restructuring of the communication system.
Solution Approach 2:
The first data channel serves multiple functions including command transmission, status reporting, and control signaling between the processor and virtual computer. This multi-functionality allows the system to maintain communication versatility while dedicating the second channel specifically to I/O data, resolving the contradiction between simplicity and capability.
2Reliability
If I/O events are handled through the existing data channel, then communication overhead is reduced, but event response accuracy and device-specific handling are insufficient
Solution Approach 1:
The patent extracts I/O event handling from the general data channel by establishing a dedicated second data channel for I/O data transfer. This extraction ensures that I/O events are processed through a specialized pathway, improving response accuracy and reducing processing delays without affecting other communication functions.
Solution Approach 2:
The second data channel acts as an intermediary specifically for I/O data between the virtual computer and processor. This intermediary structure enables precise event notification and accurate device-specific handling while maintaining efficient communication through the first data channel for other purposes.
3Ease of operation
If virtual computer directly controls local I/O devices, then device control capability is achieved, but system security and isolation are compromised
Solution Approach 1:
The patent introduces the processor and its I/O interface as an intermediary between the virtual computer and local I/O devices. The processor receives I/O data through the dedicated second data channel, processes it through the I/O interface, and then controls the appropriate devices. This intermediary structure enables device control capability while maintaining system security and virtualization isolation.
Data Source
AI summary
A computer-readable medium may store machine-readable instructions for execution by a processor. There may be a connection between the processor and a virtual computer. The processor may establish a first data channel between the processor and the virtual computer based on the connection between the processor and the virtual computer. The connection may comprise a second data channel to transfer input/output (I/O) data between the processor and the virtual computer. The processor may receive an output message from the virtual computer via the first data channel. The processor may identify an I/O device coupled to the processor based on the output message. The processor may provide an output signal to the I/O device, the output signal based on the output message.