Sync Group Server for Offline Data Sharing and Conflict Resolution
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Solution Overview
Problem
Existing systems face challenges in sharing data among multiple devices, especially when one or more devices are offline, and in resolving conflicts that arise from simultaneous data changes in a distributed system.
Innovation Solution
A system for creating a sync group in a distributed system that includes an offline electronic device with a short-range communication transmitter and a storage service, allowing for the creation and synchronization of data access among devices, even when they are offline, through the use of a sync group server and access control lists to manage permissions and conflict resolution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If data sharing is enabled among multiple devices in a distributed system, then data accessibility and collaboration are improved, but conflict detection and resolution become more difficult when devices are offline or simultaneously modify data
Solution Approach 1:
The system performs preliminary actions by establishing sync groups and assigning permissions before conflicts occur. When devices are offline or simultaneously modifying data, the conflict detection mechanism is already in place through version control and timestamp tracking, allowing automatic resolution without manual intervention.
Solution Approach 2:
The patent introduces an intermediary mechanism (sync group server and permission management system) that mediates between multiple devices. This intermediary tracks data versions, detects conflicts through comparison, and resolves them automatically based on predefined policies, making conflict detection and resolution easier in distributed environments.
2Reliability
If permission management is implemented for data access control, then security and data protection are improved, but system complexity increases
Solution Approach 1:
The permission management system is segmented into discrete permission types (read, write, delete) that can be independently assigned to different members of sync groups. This segmentation simplifies complexity by breaking down complex access control into manageable, modular permission units that are easier to manage and understand.
Solution Approach 2:
Instead of managing complex individual permissions for each device, the system inverts the approach by using role-based permissions where members are assigned general access levels. This inversion simplifies permission management while maintaining security, as users are granted permissions based on their role rather than individual data items.
Data Source
AI summary
A system for creating a sync group in a distributed system may include an offline electronic device having a short range communication transmitter and a storage service, and a computer-readable storage medium comprising one or more programming instructions. The system may receive a request from an application to create a sync group, and verify that the application has read access to the storage service. In response to verifying that the application has read access to the storage service, the system may create the sync group by receiving an indication of one or more objects stored in the storage service that are to be shared, identifying one or more members of the sync group, and assigning one or more permissions to the one or more members that are identified. The system may synchronize access to the objects among the electronic device and one or more member electronic devices.