Relay Device Internal Filtering Rule Generation
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Solution Overview
Problem
The existing relay devices require a long time to set filtering rules, which hinders efficient communication between multiple communication lines due to the need for a large number of filtering rules to be written by an external device.
Innovation Solution
A relay device with a classification acquisition unit, a condition generation unit, and an execution unit that acquires a classification item group with fewer items than condition items, allowing for the generation of filtering rules within the device, thereby reducing the time needed to set filtering rules.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If filtering rules are set by writing a large number of condition items from an external device, then comprehensive frame filtering can be achieved, but the setting time becomes long and communication efficiency is reduced
Solution Approach 1:
The patent extracts only the essential classification items needed for filtering from the complete condition items, transmitting a reduced set from the external device. The relay device then generates the complete filtering rules internally using its own resources, separating the acquisition of classification criteria from the generation of full filtering conditions.
Solution Approach 2:
The relay device performs self-service by automatically generating the complete condition item groups internally based on the acquired classification item groups. This eliminates the need for the external device to provide all filtering conditions, allowing the relay device to serve itself in completing the rule generation process.
2Measurement precision
If a large number of condition items are transmitted from external device to define filtering rules, then accurate frame classification can be achieved, but communication capacity is inhibited
Solution Approach 1:
The patent extracts only the essential classification items from the complete condition items, transmitting a minimized subset from the external device. This reduces the quantity of data transmitted while preserving the essential information needed for accurate frame classification, as the relay device supplements the remaining conditions internally.
3Adaptability or versatility
If comprehensive filtering rules are configured by external device, then detailed frame control is achieved, but the complexity of rule configuration increases
Solution Approach 1:
The relay device performs self-service by automatically generating the complete condition item groups internally based on the acquired classification item groups. This eliminates the need for external configuration of all filtering details, reducing configuration complexity while maintaining frame control flexibility through the device's internal generation capabilities.
Data Source
AI summary
A relay device for relaying a frame between communication lines includes: a classification acquisition unit for acquiring at least one classification item group having classification items and representing a classification condition for classifying a received frame to perform a predetermined process; a condition generation unit for generating at least one condition item group having condition items and representing a filtering rule for the frame based on the classification item group; and an execution unit for performing the process on the received frame based on the filtering rule. The classification acquisition unit acquires the classification item group in which a numerical number of the classification items is less than a numerical number of the condition items.