Application Isolation Layer for Resource Conflict Resolution
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Solution Overview
Problem
Incompatible software applications and versions often cannot be executed or installed together on a single computer system due to conflicting use of native resources, leading to compatibility and sociability issues, especially in multi-user environments where multiple users access shared resources.
Innovation Solution
The solution involves virtualizing user and application access to native resources such as the file system, registry database, and system objects, allowing multiple applications to use the same resources without modification, by creating isolated views of these resources within an application and user isolation layer, enabling simultaneous execution of incompatible applications and versions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple incompatible application programs are executed on the same computer system using native resources, then application compatibility and sociability improve, but resource conflicts and system stability deteriorate
Solution Approach 1:
The patent segments the system into multiple isolation scopes (application isolation scope and user isolation scope) that divide native resources into separate namespaces. Each scope maintains independent resource views, preventing conflicts between incompatible applications while allowing simultaneous execution. This segmentation enables multiple applications with different resource requirements to coexist without interfering with each other's native resource access.
2Speed
If application programs access native resources directly without isolation, then resource access speed improves, but resource conflict and compatibility issues worsen
Solution Approach 1:
The patent introduces an intermediary layer (isolation scope mechanism) between application programs and native resources. This intermediary intercepts resource access requests, determines the appropriate isolation scope, and redirects requests to the correct resource instance. The intermediary enables compatible resource access by translating application requests into scope-aware operations, allowing multiple applications to access native resources simultaneously without direct conflicts.
3Adaptability or versatility
If isolation layers are introduced to separate application resource access, then application compatibility improves, but system complexity worsens
Solution Approach 1:
The patent implements a universal isolation scope mechanism that serves multiple functions simultaneously: it provides application isolation, user isolation, resource virtualization, and conflict resolution through a single integrated framework. The same isolation infrastructure handles both application-level and user-level resource separation, reducing overall system complexity compared to implementing separate isolation mechanisms for each level.
Data Source
AI summary
In a method for accessing, by application programs, resources provided by an operating system, a process receives a request for a resource and an identifier associated with the resource. It is determined that the requested resource resides inside an application isolation environment. The request for the resource and the identifier associated with the resource is redirected to the application isolation environment. The request for the resource is responded to using an instance of the resource residing inside the application isolation environment.