IoT Service Transfer Using Replacement Codes for Device Swaps
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Solution Overview
Problem
Existing systems face challenges in managing device replacements in IoT environments, particularly when post-replacement devices cannot be obtained or pre-replacement devices are faulty, leading to service registration issues.
Innovation Solution
A service providing apparatus and method that includes a notice obtaining unit for specifying a replacement source device, a code issuing unit for generating a replacement code, and a managing unit to manage the replacement destination device, ensuring seamless transition and registration in the system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If both pre-replacement device and post-replacement device are designated in the system for device replacement, then service registration can be managed, but the system becomes restrictive when post-replacement device cannot be obtained or pre-replacement device is faulty
Solution Approach 1:
The device replacement process is segmented into two independent phases: (1) issuing a replacement code based on the pre-replacement device identification, and (2) registering the post-replacement device using the code. This segmentation allows the replacement process to proceed even if the post-replacement device is not immediately available or the pre-replacement device is faulty, as each phase can be completed independently.
Solution Approach 2:
The system performs preliminary action by issuing a replacement code before the actual device replacement occurs. This code serves as a placeholder that preserves the service registration information, allowing the process to be initiated in advance and completed later when the new device is ready, thus improving both reliability and flexibility.
2Device complexity
If device replacement requires designation of both pre-replacement and post-replacement devices, then service management is controlled, but service disruption occurs when devices cannot be properly registered
Solution Approach 1:
The replacement code acts as an intermediary element between the pre-replacement and post-replacement devices. It carries the necessary service registration information and enables seamless transfer of service rights without requiring both devices to be present and functional simultaneously, thereby reducing service disruption time while maintaining management control.
Solution Approach 2:
The system creates a copy of the service registration information in the form of a replacement code that can be transferred and applied to the new device. This copying mechanism allows service registration to be preserved and transferred without requiring the original device to remain operational throughout the entire replacement process.
3Reliability
If strict device designation is enforced for replacement, then system security is maintained, but ease of operation decreases when devices are unavailable
Solution Approach 1:
The system enables self-service by allowing users to initiate the device replacement process independently. The pre-replacement device can generate a replacement code that automatically preserves service registration information, eliminating the need for manual intervention or system administrator involvement in verifying device availability, thus improving ease of operation while maintaining security through code-based verification.
Data Source
AI summary
A service providing apparatus provides a service using a plurality of devices. The apparatus includes a notice obtaining unit configured to obtain a replacement notice specifying a replacement source device, a code issuing unit configured to issue a replacement code associated with the replacement source device specified in the replacement notice, a request obtaining unit configured to obtain a continuation request including the replacement code, the continuation request specifying a replacement destination device, and a managing unit configured to request one or more management servers to manage the replacement destination device specified in the continuation request instead of the replacement source device associated with the replacement code included in the continuation request.