Message Validity Management in Subscriber Terminals
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Solution Overview
Problem
Current messaging services do not allow for messages to be consultable, readable, or usable after a predefined period of validity, which limits their utility and functionality.
Innovation Solution
A method is introduced to transmit messages with a duration of validity, where a field containing this information is included in the message, and the validity is monitored both on the server and locally on the terminal, allowing the message to be modified or deleted after the validity period expires, enabling controlled access and behavior changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If messages are stored in the server indefinitely until received or deleted, then message delivery reliability is improved, but message security and user control over message lifespan are worsened
Solution Approach 1:
The patent applies preliminary action by embedding validity period information in the message before transmission. This allows the terminal to pre-configure automatic deletion or access restriction mechanisms that will execute automatically after the specified duration, ensuring message security without requiring continuous server monitoring or intervention.
Solution Approach 2:
The terminal performs self-service by autonomously managing message validity based on the embedded time information. The terminal automatically deletes or restricts access to messages after the validity period expires, eliminating the need for server-side validation and giving the receiving terminal control over its own message management.
2Quantity of substance
If messages are automatically deleted from the server after validity period, then server storage efficiency is improved, but the ability to retrieve or forward messages is worsened
Solution Approach 1:
The patent enables preliminary action by including validity period information in the message itself, allowing the terminal to perform all necessary operations (reading, forwarding, storing) before the validity period expires. This eliminates the need for server-side message retention while ensuring the terminal has full access to message content within the valid timeframe.
3Ease of operation
If terminal locally manages message duration, then message access control is improved, but terminal processing complexity is worsened
Solution Approach 1:
The terminal implements self-service by automatically parsing the validity period information from the message and executing predefined actions (delete, restrict access, forward) based on the elapsed time. This simple time-based logic provides robust access control without requiring complex processing or additional software components.
Data Source
AI summary
Method of transmitting a message with duration of validity destined for a subscriber terminal, comprising the formulating, in the message, of a field containing information regarding duration of validity of the message and the monitoring of the validity of the message on the basis of the information contained in said field, wherein the message is transmitted to the terminal of the subscriber and, on the expiry of the duration of validity of the message, the message received by the terminal is modified or deleted in such a way as to prevent consultation thereof.