Offload Device Virtual Machine Monitor Boot
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Solution Overview
Problem
The limited availability of physical computing resources in data centers due to the consumption of resources by virtual machine instances hinders the efficient utilization of computing resources, leading to increased costs and reduced availability for additional instances.
Innovation Solution
An offload device is used to manage and emulate virtual components, reducing the need for physical computing resources by hosting virtual machines and processing I/O requests, thereby alleviating the resource burden on physical devices and allowing for more efficient resource allocation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If virtual machine instances are hosted on physical computing devices, then computing resource utilization increases, but the availability of physical resources for additional instances decreases
Solution Approach 1:
The patent extracts the virtual machine monitor functionality from the physical computing device and places it on an offload device. This separation allows the physical computing device to focus on hosting virtual machine instances while the offload device handles I/O requests, effectively removing the resource bottleneck and enabling higher instance density without consuming additional physical resources.
Solution Approach 2:
The offload device acts as an intermediary between virtual machine instances and physical I/O resources. It receives I/O requests from virtual machines, processes them, and manages communication with physical devices, thereby decoupling the computational workload from physical resource consumption and enabling more efficient resource utilization.
2Productivity
If more virtual machine instances are hosted, then service capacity increases, but the cost of hardware resources increases
Solution Approach 1:
The offload device provides multi-functional capabilities by handling I/O requests for multiple virtual machine instances simultaneously. A single offload device can serve numerous virtual machines, performing the functions that would otherwise require dedicated hardware resources for each instance, thereby increasing service capacity without proportional hardware cost increases.
3Device complexity
If virtual machine monitor functionality is integrated into physical devices, then system complexity is reduced, but resource availability decreases
Solution Approach 1:
The system is segmented into distinct functional components: physical computing devices for hosting virtual machines, offload devices for I/O processing, and virtual machine monitors for management. This segmentation separates concerns and allows each component to be optimized independently, maintaining manageable system complexity while preserving resource availability for instance hosting.
Data Source
AI summary
Generally described, aspects of the present disclosure relate to loading an updated virtual machine monitor on the physical computing device during a boot process. The updated virtual machine monitor may be loaded from an update manager external to the virtual machine monitor, such as the offload device or a server connected with the physical computing device over a network. In certain embodiments, the updated virtual machine monitor may be loaded in a tiered process by first loading a startup virtual machine monitor, which automatically updates by loading the updated virtual machine monitor. The startup virtual machine monitor may be a virtual machine monitor with less functionality than the updated machine manager, such as where the startup virtual machine monitor may be a “lite” or simple virtual machine monitor while the updated virtual machine monitor may be a fully functional virtual machine monitor of the most recent update or version.