Pluggable Transceiver Ethernet Extension Demarcation
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Solution Overview
Problem
Current pluggable transceivers are limited to short reach applications and lack advanced optical performance, requiring external equipment for extended reach and carrier-grade management, which increases costs and complexity.
Innovation Solution
Integration of G.709 framing, OAM&P, and FEC within pluggable transceivers that operate within existing MSA specifications, enabling Ethernet extension and demarcation without external transponders or additional circuitry.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If pluggable transceivers are designed according to MSA specifications to maximize density and minimize cost, then manufacturing cost and device density are improved, but reach distance and optical performance deteriorate (limited to less than 80 km)
Solution Approach 1:
The patent merges G.709 framing, OAM&P, and FEC functions directly into the pluggable transceiver module, combining what were previously separate external components with the transceiver. This integration enables extended reach beyond 80 km while maintaining MSA compliance and avoiding the need for additional external equipment, thus resolving the contradiction between cost-effectiveness and reach distance.
Solution Approach 2:
The pluggable transceiver is enhanced to perform multiple functions: standard optical transmission, G.709 framing, OAM&P operations, and FEC error correction. This multi-functionality allows a single device to achieve both short-reach compatibility and long-reach performance, eliminating the need for separate transponders or external circuitry and thereby maintaining cost-effectiveness while extending reach.
2Reliability
If external equipment is added to extend reach and provide carrier-grade management, then optical performance and management capability are improved, but device complexity and capital costs increase
Solution Approach 1:
The patent combines carrier-grade G.709 framing, OAM&P, and FEC functions within the pluggable transceiver itself, eliminating the need for external transponders or separate management equipment. This integration reduces system complexity and capital costs while maintaining carrier-grade management capabilities, directly resolving the contradiction between reliability and device complexity.
3Adaptability or versatility
If MSA specifications tightly define transceiver characteristics for interoperability, then adaptability and compatibility are improved, but optical performance and extended reach capability deteriorate
Solution Approach 1:
The patent segments the transceiver functionality into MSA-compliant interface components (maintaining interoperability) and integrated G.709/OAM&P/FEC components (enabling extended reach). The MSA-compliant portion ensures compatibility with existing host systems, while the integrated additional functions provide enhanced optical performance and extended reach capability, resolving the contradiction between adaptability and reliability.
Data Source
AI summary
The present invention provides Ethernet extension and demarcation functionality through a Multi-Source Agreement (MSA) pluggable transceiver in a customer or remote device. The pluggable transceiver is configured to frame an Ethernet client signal and to provide OAM&P functionality, such as with G.709 framing. The pluggable transceiver operates within existing multi-source agreement (MSA) specifications. Accordingly, the pluggable transceiver can operate in any customer device compliant to the MSA specifications. Additionally, the framing and OAM&P functionality are transparent to the customer device, but instead utilized by a service provider for demarcation functionality, eliminating the requirements for external demarcation equipment and for external transponders.