Transport Network Path Setup for OPC UA Service Requirements
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Solution Overview
Problem
The convergence of OPC UA and transport networks lacks a solution for the transport network to obtain service transmission requirements of industrial devices, leading to inefficiencies in data communication.
Innovation Solution
A method for determining service transmission requirements by a first device in the transport network, which receives and processes service requirement parameters from transmit and receive end devices to establish a transmission path that meets the requirements, including parameters like data packet size, sending intervals, and processing delays.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the transport network and OPC UA converge without a solution for obtaining service transmission requirements, then the system architecture remains simple, but the transmission performance cannot be guaranteed and data communication efficiency deteriorates
Solution Approach 1:
The patent introduces a first device in the transport network as an intermediary between the transmit end device and receive end device. This intermediary collects service requirement parameters from both ends, determines service transmission requirements, and initiates transmission path establishment. This mediator resolves the contradiction by enabling reliable transmission without requiring direct complex interaction between end devices.
Solution Approach 2:
The patent segments the service transmission requirement determination process into distinct functional parts: collecting parameters from transmit end, collecting parameters from receive end, determining requirements based on both sets of parameters, and initiating path establishment. This segmentation allows each function to be performed independently by the first device, improving reliability without overwhelming system complexity.
2Loss of time
If the transport network establishes transmission paths without obtaining service transmission requirements, then the network operation is simple, but the transmission timeliness and determinacy deteriorate
Solution Approach 1:
The patent applies preliminary action by having the first device collect service requirement parameters from transmit and receive end devices before establishing the transmission path. This advance collection of timing-related parameters (such as maximum service data transmission delay) enables the network to pre-determine appropriate transmission paths that meet timeliness requirements, rather than reacting to timing issues after path establishment.
Solution Approach 2:
The patent implements feedback mechanisms where the first device receives service requirement parameters from end devices, processes this information to determine transmission requirements, and uses this feedback to initiate appropriate transmission path establishment. This closed-loop feedback ensures transmission timeliness while maintaining manageable network operation complexity through systematic parameter processing.
3Manufacturing precision
If the transport network obtains detailed service requirement parameters from both transmit and receive ends, then the transmission performance is improved, but the information processing complexity increases
Solution Approach 1:
The patent extracts only the necessary service requirement parameters from the transmit end device and receive end device that are relevant for transmission path determination. By selectively extracting parameters such as data packet size, sending intervals, and delay requirements rather than processing all possible device parameters, the system achieves precise transmission requirement determination while keeping information processing complexity manageable.
Solution Approach 2:
The first device in the transport network performs multiple functions: collecting parameters from transmit end, collecting parameters from receive end, determining service transmission requirements, and initiating transmission path establishment. This multi-functionality consolidates information processing in a single device, improving transmission requirement precision without proportionally increasing overall system complexity.
Data Source
AI summary
A method includes receiving, by a first device in a transport network, a first service requirement parameter and a second service requirement parameter. The first service requirement parameter is a service requirement parameter of a transmit end device. The second service requirement parameter is a service requirement parameter of a receive end device. The method further includes determining, by the first device, a first service transmission requirement between the transmit end device and the receive end device based on the first service requirement parameter and the second service requirement parameter.