Delivery Information Server Bid Rescission Mechanism
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Solution Overview
Problem
Conventional systems for delivering print jobs do not have a mechanism to handle situations where a printer fails to print delivery information for winning bidders, leading to potential financial losses and processing delays for the bidders.
Innovation Solution
A delivery information provision server is implemented with a controller that manages the process of soliciting bids for delivery information, determining winning bids, and handling failures by rescinding winning bids if the printer fails to print the information, thereby avoiding unnecessary charges and delays.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the conventional system charges users delivery costs when printing is completed, then the system can generate revenue from successful deliveries, but the system cannot handle failures when the printer fails to print delivery information
Solution Approach 1:
The system implements a feedback mechanism by monitoring printing status through progress information from the printer. The delivery information provision server continuously checks whether printing has been completed successfully, and based on this feedback, automatically rescinds winning bids when printing fails, thus resolving the contradiction between reliability and complexity.
Solution Approach 2:
The system performs preliminary actions by establishing a waiting process before charging delivery costs. It proactively monitors printing status and rescinds winning bids in advance if printing fails, preventing unnecessary charges and avoiding the need for complex post-failure handling procedures.
2Loss of information
If the system monitors printing status continuously, then the system can detect printing failures and rescind winning bids appropriately, but the system requires additional waiting process and status checking mechanisms
Solution Approach 1:
The printer itself provides printing status information to the delivery information provision server through progress information. This self-service mechanism allows the system to obtain printing status without requiring complex external monitoring infrastructure, thus resolving the contradiction between information completeness and system complexity.
3Loss of time
If the system rescinds winning bids when printing fails, then the bidder avoids unnecessary charges and processing delays, but the system requires determination of printing completion status
Solution Approach 1:
The system uses a simple predetermined condition (printing completion status) as a disposable check to determine whether to rescind winning bids. This straightforward condition checking mechanism avoids complex decision-making processes while effectively preventing processing delays and unnecessary charges for bidders.
Data Source
AI summary
A delivery information provision server includes a controller configured to perform: transmitting a bid solicitation request to a delivery information management server requesting to hold an auction in which bids are solicited for use of an information delivery service; determining, from among one or more pieces of delivery information corresponding to one or more bids placed in the auction and received from the delivery information management server, specific piece of delivery information corresponding to a winning bid among the one or more bids; transmitting the determined specific piece of delivery information to a printer; determining whether a predetermined condition corresponding to completion of printing of the specific piece of delivery information has been met; and transmitting, when determining that the predetermined condition has been met, winning bid rescission information to the delivery information management server indicating that the winning bid has been rescinded.