VM Stack-Jumping Bypass Mechanism for Reducing Guest-Host Overhead
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Solution Overview
Problem
In virtual machine environments, the processing of commands through similar or identical guest OS and host OS software stacks results in inefficiencies due to redundant processing, leading to significant overhead.
Innovation Solution
Implementing a bypass mechanism that allows direct jumping from the guest operating system stack to the host operating system stack, thereby bypassing redundant software layers, specifically through API-level or device driver-level shunting in the virtual machine environment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If commands are processed through both guest OS and host OS software stacks in a virtual machine environment, then compatibility and proper command execution are ensured, but redundant processing occurs leading to significant overhead and reduced performance
Solution Approach 1:
The patent extracts and removes redundant software stack layers from the command processing path. By identifying that certain stack processing occurs in both guest and host environments unnecessarily, the invention eliminates these redundant layers, allowing commands to bypass them and be processed more efficiently while maintaining necessary compatibility through selective retention of essential stack functions.
Solution Approach 2:
The patent segments the software stack processing into essential and redundant components. By dividing the command processing path into segments that are necessary for compatibility and segments that are redundant, the invention allows selective optimization where redundant segments are removed or bypassed, improving overall processing efficiency while preserving essential functionality.
2Adaptability or versatility
If multiple software layers are maintained in the virtual machine environment for compatibility, then broader software support is achieved, but system complexity increases
Solution Approach 1:
The patent extracts and removes unnecessary software stack layers that contribute to complexity without adding value. By identifying and eliminating redundant intermediate layers while preserving essential compatibility functions, the invention reduces overall system complexity while maintaining the adaptability needed for software compatibility.
3Productivity
If a direct bypass mechanism is implemented to jump from guest OS stack to host OS stack, then processing overhead is reduced and performance improves, but system complexity increases due to the bypass infrastructure
Solution Approach 1:
The patent introduces an intermediary mechanism that facilitates the bypass from guest OS stack to host OS stack. This intermediary serves as a controlled interface that enables direct command transmission while maintaining system integrity and managing the complexity of the bypass infrastructure through standardized interaction protocols.
Solution Approach 2:
The patent implements preliminary setup of the bypass mechanism during system initialization or configuration phases. By preparing the bypass infrastructure in advance and establishing predetermined pathways for command transmission, the invention reduces the complexity burden during runtime while maintaining high processing speeds through pre-configured direct routes.
Data Source
AI summary
Several embodiments of the present invention provide a means for reducing overhead and, thus, improving operating efficiency in virtualized computing systems. Certain of these embodiments are specifically directed to providing a bypass mechanism for jumping directly from a first stack in the guest operating system to a second stack in the host operating system for a virtual machine environment. More specifically, certain embodiments of the present invention are directed to a system for and method of eliminating redundancy in execution of certain virtual machine commands and executing host environment equivalents by using bypass mechanisms, thereby bypassing redundant software layers within the guest and host stacks. For some of these embodiments, the bypass mechanism operates at a high-level component of the stack or, alternatively, the bypass mechanism operates at a low-level component of the stack.