ONT Configuration via OLT Negotiation for Multi-Vendor PON
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Solution Overview
Problem
In optical access networks, Optical Line Terminals (OLTs) face challenges in determining the management method for Optical Network Terminals (ONTs) from different manufacturers connected to the same PON port, leading to inefficient configuration and management due to varying management methods supported by different ONTs.
Innovation Solution
The method involves OLTs and ONTs negotiating to determine the appropriate management method for each service type, with ONTs reporting supported service types and management methods to OLTs, allowing for pre-configuration and reducing interoperability burdens during service initialization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If OLTs manage ONTs from different manufacturers using multiple management methods, then the system can support diverse service configurations, but the OLT cannot predetermine the management method for each ONT in advance, leading to configuration inefficiency
Solution Approach 1:
The patent applies preliminary action by having the ONT report its supported service types and management methods to the OLT during the initial connection phase, before any configuration is performed. This allows the OLT to predetermine the appropriate management method for each ONT in advance, eliminating the need for trial-and-error configuration and significantly improving configuration management efficiency while maintaining support for diverse service configurations
2Adaptability or versatility
If ONTs from different manufacturers are connected to the same PON port, then the system achieves multi-vendor interoperability, but the varying management methods supported by different ONTs create configuration complexity
Solution Approach 1:
The patent applies self-service by enabling the ONT to autonomously report its supported service types and management methods to the OLT without requiring manual configuration or complex OLT-side detection mechanisms. The ONT essentially configures itself by providing this information during initial connection, which simplifies the overall system complexity while maintaining multi-vendor interoperability
3Productivity
If the OLT attempts to detect management methods supported by ONTs in advance, then the configuration can be optimized, but the current system lacks a mechanism for ONTs to notify the OLT about supported management methods
Solution Approach 1:
The patent applies feedback by establishing a communication mechanism where the ONT actively reports its supported service types and management methods back to the OLT. This feedback loop provides the OLT with the necessary information to optimize configuration decisions in advance, eliminating the information gap that previously prevented configuration optimization
Data Source
AI summary
A method for optical network termination (ONT) configuration is provided. The method includes: obtaining, by an optical line terminal (OLT), service types supported by an ONT and management methods available for each of the service types; and negotiating, by the OLT, with the ONT according to the management methods available for each of the service types, so as to determine a management method to be adopted for each of the service types, and configuring the ONT according to the determined management method.