Optical Access Device Standardized Ethernet Protocol

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Solution Overview

Problem

Existing optical access devices have limited flexibility due to their self-contained nature, with each manufacturer using dedicated protocols and interface standards, restricting standardization and use flexibility.

Innovation Solution

An optical access system is designed with standardized optical access devices that decapsulate and encapsulate data frames using Ethernet protocols, eliminating the need for complex processing units and dedicated protocols, allowing for standardized interfaces and enhanced flexibility.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If optical access devices use dedicated protocols and interface standards from each manufacturer, then device functionality is ensured, but standardization is restricted and use flexibility is poor

Engineering Contradiction:
Improveuse flexibilityVSAvoidprotocol complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent applies universality by enabling optical access devices to use standardized Ethernet protocols for communication with network elements, allowing a single device design to work across different network configurations and manufacturers' equipment. This replaces the need for multiple dedicated protocols with one universal Ethernet standard, thereby improving adaptability while reducing protocol complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Reliability

If optical access devices are self-contained with dedicated protocols, then device independence is maintained, but standardization is restricted

Engineering Contradiction:
Improvedevice independenceVSAvoidinterface standard complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent introduces standardized Ethernet protocol as an intermediary layer between optical access devices and network elements. This intermediary standardizes the interface while allowing the optical access devices to maintain their functional independence. The Ethernet protocol acts as a universal mediator that enables different devices to communicate without requiring them to share proprietary protocols, thus preserving device independence while achieving standardization.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Ease of manufacture

If manufacturers use different dedicated protocols, then product differentiation is achieved, but standardization is restricted and operational costs increase

Engineering Contradiction:
Improvemanufacturing flexibilityVSAvoidinterface standardization
Core Design Contradiction:
Ease of manufactureVSDevice complexity

Solution Approach 1:

The patent applies parameter changes by transitioning from multiple proprietary protocol parameters to a single standardized Ethernet protocol parameter set. This change in the fundamental communication parameter allows manufacturers to maintain product differentiation through other means (such as hardware features or software applications) while using a uniform protocol baseline, thereby improving ease of manufacture and reducing interface standardization complexity.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS10382364B2Optical access device and optical access system
Publication Date: 2019.08.13 HUAWEI TECH CO LTD
  • US10382364B2 patent drawing
  • US10382364B2 patent drawing
  • US10382364B2 patent drawing

AI summary

The present disclosure relates to an optical access device and an optical access system. The system includes a switching unit, at least two optical access devices, a network integrated processor, and a controller. The optical access device decapsulates an upstream data frame to obtain a payload, encapsulates the payload into a first upstream Ethernet frame, and then sends the first upstream Ethernet frame to the switching unit. The switching unit, which may comprise at least one switch, is configured to send the first upstream Ethernet frame to the network integrated processor, or send the first upstream Ethernet frame to the controller, and receive and send a second upstream Ethernet frame. The network integrated processor processes the first upstream Ethernet frame according to a received protocol parse instruction to obtain the second upstream Ethernet frame, and sends the second upstream Ethernet frame to the switching unit.