OSTree Container Layering for Lightweight VM Upgrades

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Solution Overview

Problem

Conventional virtual machines (VMs) are not tailored for specific applications, leading to resource inefficiencies, bloat, and vulnerabilities, making them difficult to maintain and upgrade without interrupting application execution.

Innovation Solution

Customizing VMs using OSTree native containers to build tailored VMs that allocate precise resource requirements and allow for efficient upgrades by leveraging container files, reducing bloat, and maintaining application compatibility across versions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If conventional virtual machines are used for application deployment, then application execution is maintained, but resource inefficiency and bloat occur

Engineering Contradiction:

Improveapplication executionVSAvoidresource inefficiency

Core Design Contradiction:

ProductivityVSLoss of energy

Solution Approach 1:

The patent segments the virtual machine into a base image and layered container images. The base image contains only essential system components, while application-specific components are added through separate container layers. This segmentation allows the VM to remain lightweight while supporting application execution, resolving the contradiction between maintaining productivity and reducing resource waste.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The patent applies local quality by customizing different parts of the VM environment according to specific application requirements. Instead of a monolithic VM configuration, each application receives a tailored container image with precisely the resources and dependencies it needs, eliminating the resource bloat associated with conventional generic VMs while maintaining application execution.

Inventive Principle:

Principle #3Local quality

2Productivity

If conventional virtual machines are used, then application execution is supported, but bloat and vulnerabilities increase making maintenance difficult

Engineering Contradiction:

Improveapplication executionVSAvoidvulnerabilities

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The patent implements preliminary action by allowing container images to be built, tested, and validated before being applied to the running VM. Security vulnerabilities and configuration issues can be detected and resolved in the container image before deployment, preventing vulnerabilities from reaching the production environment while maintaining continuous application execution.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The patent enables parameter changes by allowing the container image registry to store and manage different versions of container images with updated security patches and configurations. The system can switch between different image versions without interrupting application execution, enabling timely response to vulnerabilities while maintaining productivity.

Inventive Principle:

Principle #35Parameter changes

3Reliability

If upgrades are applied to conventional virtual machines, then application security is improved, but application execution is interrupted

Engineering Contradiction:

ImprovesecurityVSAvoidapplication execution

Core Design Contradiction:

ReliabilityVSProductivity

Solution Approach 1:

The patent applies dynamics by enabling hot-swappable container images that can be updated without shutting down the VM or interrupting application execution. The system dynamically replaces container layers with updated versions from the registry, allowing security improvements to be applied while the application continues to run, thus resolving the contradiction between improving reliability and maintaining productivity.

Inventive Principle:

Principle #15Dynamics

4Ease of manufacture

If generic virtual machine images are used, then deployment is simplified, but resource allocation is imprecise leading to waste

Engineering Contradiction:

Improvedeployment simplicityVSAvoidresource wastage

Core Design Contradiction:

Ease of manufactureVSLoss of energy

Solution Approach 1:

The patent implements universality through the container image registry, which stores reusable container images that can be applied to multiple applications and VMs. These standardized images encapsulate common dependencies and configurations, simplifying deployment while allowing precise resource allocation through the layered image structure, thus resolving the contradiction between deployment simplicity and resource efficiency.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS12561160B2Using OSTree native containers to customize virtual machines for lightweight application deployment

Publication Date: 2026.02.24 RED HAT INC

AI summary

A system and method of customizing virtual machines for lightweight application deployment. The method includes executing a first operating system (OS) within a virtual machine (VM) environment and a second OS outside of the VM environment. The method includes receiving, by a server application executing on the first OS, a request to perform a task for a client application executing on the second OS. The method includes detecting, by the server application based on the request, an incompatibility between the server application and the client application. The method includes resolving, by a processing device, the incompatibility using a plurality of container images.