Data Processing Status Synchronization via Transaction Type Handling
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Solution Overview
Problem
In data processing networks, especially those involving postage metering machines, unsuccessful status-changing transactions often lead to unclear or mismatched status information between data processing units, causing issues like incorrect credit balances and security vulnerabilities, as existing solutions fail to reliably handle such transactions.
Innovation Solution
A method where the status information is set dependent on the type of transaction, allowing for specific criteria-based handling of unsuccessful transactions, with options for progressive or defensive recovery strategies to ensure secure and reliable synchronization of status information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If status information is updated during unsuccessful transactions, then data consistency between data processing units is improved, but computational overhead and complexity increase
Solution Approach 1:
The patent applies preliminary action by setting status information dependent on transaction type before actual transaction completion. For unsuccessful transactions, the system proactively sets status information based on the transaction type (e.g., setting credit balance to zero for deposit failures, or to maximum for withdrawal failures) before the transaction fully completes, preventing inconsistent states from occurring in the first place.
Solution Approach 2:
The patent utilizes parameter changes by varying the status information setting based on the transaction type parameter. Different transaction types (deposit, withdrawal, credit limit changes) trigger different status information configurations during unsuccessful transactions, allowing the system to adapt the consistency recovery approach according to the specific transaction context.
2Reliability
If status information is set dependent on transaction type for unsuccessful transactions, then security and data integrity are improved, but ease of operation decreases
Solution Approach 1:
The patent applies self-service by enabling the system to automatically recover from unsuccessful transactions without user intervention. The system autonomously determines the appropriate status information setting based on transaction type and automatically applies it, eliminating the need for users to manually resolve inconsistent states or repeat transactions.
Solution Approach 2:
The patent utilizes feedback by implementing a recovery mechanism that monitors unsuccessful transactions and automatically responds by setting appropriate status information. The system provides feedback to the transaction processing logic about the unsuccessful outcome and automatically corrects the status information, creating a closed-loop system that maintains data integrity.
3Measurement precision
If comprehensive status tracking is implemented for all transactions, then measurement precision of transaction status is improved, but loss of time for processing increases
Solution Approach 1:
The patent applies partial action by implementing status information setting only for unsuccessful transactions rather than all transactions. The system selectively applies the status-dependent setting mechanism only when transactions fail, avoiding the time overhead of comprehensive status tracking for successful transactions while still maintaining adequate status accuracy for error recovery.
Data Source
AI summary
In a method and arrangement for exchanging data between a first processing unit, containing first status information about the first data processing unit, and a second data processing unit, containing second status information about the first data processing unit, data are exchanged between the first and second units during transactions that include a status-changing transaction, which can be of two different types. Upon a successful completion of the status-changing transaction, the first and second status information are revised so that they match. Upon an unsuccessful completion of the status-changing transaction, at least one of the first and second status information is set dependent on the type of the status-changing transaction.