Mail Item Code Uniqueness via Segmented Range Allocation
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Solution Overview
Problem
In a multiple device document processing environment, there is a need for an improved system and method to assign and maintain unique identifiers for mail items to ensure proper tracking and compliance with postal authority standards, as existing coordination methods can lead to improper assignment of postal authority approved codes, especially when mail items are distributed across multiple sorters.
Innovation Solution
A method and system that establish an initial range of values for postal authority approved codes based on historical or actual mail counts, allocate a portion of these values to each mail processing device, and verify the last used value and its date prior to processing, ensuring uniqueness and integrity of the codes across multiple sorters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If mail items are distributed across multiple sorters to increase processing capacity, then productivity is improved, but the risk of code duplication and loss of uniqueness increases
Solution Approach 1:
The system segments the range of unique code values into separate sub-ranges, allocating specific portions to different sorters. Each sorter receives a designated segment of the overall code space, ensuring that codes generated by different sorters remain unique without requiring complex inter-sorter coordination during processing.
Solution Approach 2:
The system performs preliminary allocation of code ranges to sorters before mail processing begins. A server distributes appropriate portions of the unique value range to each sorter in advance, based on factors such as historical mail counts or actual mail counts, so that sorters can independently generate unique codes without real-time communication overhead.
2Reliability
If a centralized system coordinates code assignment across multiple sorters to ensure uniqueness, then code uniqueness is maintained, but system complexity and communication overhead increase
Solution Approach 1:
The centralized coordination function is segmented into a preliminary distribution phase followed by independent local execution. The server performs the complex coordination task of allocating code ranges to sorters, then each sorter independently manages its assigned segment without requiring continuous centralized oversight, reducing ongoing system complexity.
Solution Approach 2:
Complex coordination activities are performed in advance by the server to distribute code ranges to sorters. This preliminary action eliminates the need for complex real-time coordination mechanisms during mail processing, as sorters can autonomously generate unique codes from their pre-assigned ranges.
3Reliability
If the range of unique values is increased to accommodate multiple sorters, then code uniqueness is maintained, but the data range requirements and storage needs increase
Solution Approach 1:
The total range of unique values is segmented into smaller sub-ranges that are allocated to individual sorters. This segmentation allows the system to maintain overall code uniqueness while using smaller, more manageable data ranges at each sorter, reducing storage and processing requirements compared to using one large continuous range across all sorters.
Solution Approach 2:
Each sorter is assigned a specific portion of the code space tailored to its processing needs. This local allocation optimizes the data range size for each individual sorter based on its historical or actual mail count, ensuring that no sorter uses more code values than necessary while collectively maintaining uniqueness across the entire system.
Data Source
AI summary
The present teachings relate to a method and system for the processing of mail items within a multiple device document processing environment to ensure generation of unique mail items. The present teachings provides for an improved system and method for assigning and maintaining unique mail item identifiers and processing of the unique mail items in a multiple mail processing device environment to qualify for maximum postal work sharing discounts.