Optical Connection Node Routing for Automatic Path Mode Selection

Solution Overview

Problem

Existing techniques for setting optical paths through multiple optical transmission paths, such as dark fibers and carrier networks, require manual intervention and consideration of resource limitations, leading to increased costs and time, and inefficient use of resources.

Innovation Solution

A connection node device that includes a connection information processor, output port switching unit, and controller to automatically select and switch between optical transmission paths based on acquired connection information and transmission mode, allowing optical transceivers to connect without manual intervention.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If manual measurement and setting of optical path characteristics is performed, then transmission mode selection can be optimized, but setting cost and time increase

Engineering Contradiction:

Improvetransmission mode selectionVSAvoidsetting time

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The optical transmission path automatically measures its own characteristics and selects the optimal transmission mode without external manual intervention. The system performs self-diagnosis and self-configuration by having the optical transceiver transmit test signals and process the measured characteristics to determine the best transmission mode automatically.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The system implements a feedback mechanism where the optical transmission path characteristics are continuously measured, and the transmission mode is dynamically selected based on the measured feedback. The controller adjusts the transmission mode according to the real-time characteristics of the optical path, creating a closed-loop control system that optimizes performance automatically.

Inventive Principle:

Principle #23Feedback

2Reliability

If manual measurement and setting of optical path characteristics is performed, then transmission mode selection can be optimized, but setting cost increases

Engineering Contradiction:

Improvetransmission mode selectionVSAvoidsetting cost

Core Design Contradiction:

ReliabilityVSEase of manufacture

Solution Approach 1:

The optical transmission path automatically measures its own characteristics and selects the optimal transmission mode without external manual intervention. The system performs self-diagnosis and self-configuration by having the optical transceiver transmit test signals and process the measured characteristics to determine the best transmission mode automatically.

Inventive Principle:

Principle #25Self-service

3Adaptability or versatility

If resources within carrier network are partially used for other communications, then resource utilization flexibility increases, but optical path setting becomes more complex

Engineering Contradiction:

Improveresource utilizationVSAvoidoptical path setting

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The system implements a feedback mechanism where the optical transmission path characteristics are continuously measured, and the transmission mode is dynamically selected based on the measured feedback. The controller adjusts the transmission mode according to the real-time characteristics of the optical path, creating a closed-loop control system that adapts to changing resource conditions automatically.

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The optical path setting system transitions from a static manual configuration to a dynamic automated process. The transmission mode can change dynamically based on real-time measurements of optical path characteristics, allowing the system to adapt to varying resource availability and communication conditions without manual reconfiguration.

Inventive Principle:

Principle #15Dynamics

Data Source

PatentUS12574666B2Connection node apparatus, optical transmission system, and connection method

Publication Date: 2026.03.10 NT T INC

AI summary

An output port switching unit that connects to a first optical transmission path, a second optical transmission path, and the connection information processor, and sets a destination of the first optical transmission path as the connection information processor in an initial state. A controller that transmits transmission mode information indicating a transmission mode identified based on connection information of the first optical transmission path acquired from an optical signal transmitted by an optical transceiver provided in an optical communicator that the connection information processor connects to the first optical transmission path, connection request data included in the optical signal and transmitted by the optical transceiver, and transmission path information of the second optical transmission path to the optical transceiver through the first optical transmission path. The output port switching unit performs switching processing of switching a destination of the first optical transmission path from the connection information processor to the second optical transmission path after the controller transmits the transmission mode information.