IoT Event Notification Cancellation Mechanism
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Solution Overview
Problem
Current IoT event notification systems fail to ensure real-time performance, leading to unnecessary operations and reduced user experience due to repeated or invalid notifications when event conditions change, as multiple parties receive notifications without timely updates.
Innovation Solution
An event notification method that includes sending a first event notification when a specific rule is satisfied and a second event notification to cancel the first notification when the condition is no longer met, using associated resources to manage and store notification rules and addresses, ensuring only relevant parties receive timely updates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If event notifications are sent to all notified parties when a subscription condition is met, then information completeness is improved, but notification accuracy deteriorates when conditions change
Solution Approach 1:
The system implements a feedback mechanism by sending cancellation notifications to notified parties when subscription conditions are no longer met. This allows the system to update the state of notifications dynamically, ensuring that only relevant and accurate information is delivered to subscribers, thereby improving notification accuracy while maintaining information completeness through proper state tracking.
Solution Approach 2:
The patent applies dynamics by making the notification system adaptive to changing conditions. Instead of static one-way notifications, the system dynamically adjusts notification states based on real-time condition evaluation, sending both initial notifications when conditions are met and cancellation notifications when conditions change, thus improving accuracy without losing information.
2Speed
If multiple notified parties receive notifications simultaneously, then information dissemination speed is improved, but operational efficiency deteriorates due to repeated or invalid operations
Solution Approach 1:
The system uses feedback by implementing cancellation notifications that inform notified parties when conditions change. This prevents multiple parties from performing repeated or invalid operations based on outdated information, thereby improving operational efficiency while maintaining fast information dissemination through timely state updates.
Solution Approach 2:
The patent applies preliminary action by proactively sending cancellation notifications before invalid operations can occur. By notifying parties in advance when conditions change, the system prevents wasted operations and improves efficiency without slowing down initial information dissemination.
3Reliability
If event notification rules are continuously monitored and updated, then notification reliability is improved, but system complexity increases
Solution Approach 1:
The system applies segmentation by separating notification management into distinct components: subscription management, condition evaluation, notification sending, and cancellation handling. This modular approach improves reliability through specialized functionality while managing complexity through clear structural division of responsibilities.
Solution Approach 2:
The patent uses an intermediary approach by introducing a dedicated notification management mechanism that mediates between condition evaluation and information delivery. This intermediary layer handles the complexity of rule monitoring and state tracking centrally, improving reliability without proportionally increasing overall system complexity.
Data Source
AI summary
An event notification method, including: receiving an event subscription request from a subscriber, the event subscription request including at least one notified party; sending a first event notification to the at least one notified party; sending a second event notification to at least a part of the at least one notified party, the second event notification being for canceling the first event notification.