Migratable Unit Decomposition for Application Migration Complexity
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Solution Overview
Problem
Current application migration processes are complex, inefficient, and prone to errors due to their reliance on predefined scenarios that require extensive understanding of the aggregated system, leading to increased complexity and risk of downtime and faults during migration, especially in mission-critical applications.
Innovation Solution
Decomposing applications into migratable units (MUs) that can be prioritized and migrated in parallel, with a stateful wizard guiding users through a 'test phase' and 'production phase' to minimize disruption and risk, allowing for parallel execution of MUs within tiers based on dependency and priority, and providing a visual dashboard for navigation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If application migration is performed using predefined scenarios for aggregated systems, then migration can be performed with existing tools, but the complexity of understanding and executing migration increases significantly
Solution Approach 1:
The patent segments the application migration process into independent migratable units (MUs) that can be migrated separately. Each MU represents a discrete component or service that can be migrated independently, eliminating the need to understand and execute complex aggregated system migration scenarios. This segmentation reduces migration complexity while maintaining ease of execution through standardized MU migration procedures.
2Reliability
If all application components are migrated together as an aggregated system, then migration completeness is ensured, but migration time and downtime increase
Solution Approach 1:
The application is divided into multiple migratable units (MUs) that can be migrated independently and in parallel. This segmentation allows different MUs to be migrated simultaneously to the target system, significantly reducing total migration time and downtime while ensuring complete migration through systematic tracking and dependency management of all MUs.
Solution Approach 2:
The patent implements a practice phase before production migration, where MUs are migrated and tested in advance to identify and resolve issues. This preliminary action ensures migration completeness and reliability while minimizing actual production downtime, as problems are detected and fixed before affecting the live system.
3Productivity
If application migration is performed without a test phase, then migration process is simpler and faster, but the risk of production system faults increases
Solution Approach 1:
The patent introduces a practice phase that serves as a test environment before production migration. During this phase, MUs are migrated and validated without affecting the production system. This preliminary testing identifies potential faults and allows corrective actions to be taken before production migration, thereby maintaining high migration speed while ensuring production system stability.
Solution Approach 2:
The practice phase acts as a cushioning mechanism that absorbs and mitigates potential migration failures before they reach the production system. By testing MUs in advance and preparing rollback procedures, the system protects against production faults while maintaining efficient migration throughput.
4Device complexity
If migratable units are migrated sequentially one at a time, then dependency management is simplified, but total migration time increases
Solution Approach 1:
The application is segmented into independent migratable units with clearly defined dependencies. This segmentation enables the migration system to identify which MUs can be migrated in parallel based on their dependency relationships, optimizing throughput without overwhelming the system with complex coordination.
Solution Approach 2:
The patent implements dynamic parallel migration where the migration sequence and concurrency are adjusted based on real-time dependency analysis. MUs with no dependencies can be migrated simultaneously, while those with dependencies are migrated in appropriate sequences. This dynamic approach maximizes migration throughput while maintaining manageable dependency complexity through automated scheduling.
Data Source
AI summary
Embodiments of the present invention address deficiencies of the art in respect to application migration and provide a novel and non-obvious method, system and computer program product for application migration through migratable units. In one embodiment, an application migration method can include decomposing an application migration into a plurality of migratable units (MUs). The MUs can be prioritized for migration to a target platform. Thereafter, each of the MUs can be migrated in an order defined by the prioritization. Finally, a stateful wizard can be provided which can reduce the complexity of the migration by providing a dashboard to the migration process.