Generic oFrame Mapping for Synchronous and Asynchronous Data
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Solution Overview
Problem
Existing optical transport solutions are unable to combine synchronous and asynchronous data sources, limiting them to either transmitting synchronous or asynchronous data and failing to synchronize plesiosynchronous data when transmitted with synchronous or asynchronous data.
Innovation Solution
A system and method that uses a generic mapping procedure to enable the mapping and multiplexing of synchronous and asynchronous data sources into a single open Frame (oFrame) container for transport over a coherent optical link, employing a Generic Mapping Procedure (GMP) to insert filler data and transform variable rate data streams into fixed-size tributaries, allowing any type of client traffic to be mapped into an oFrame.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing optical transport solutions use traditional mapping methods, then they can transmit synchronous data, but they cannot combine synchronous and asynchronous data sources
Solution Approach 1:
The patent implements a universal mapping procedure (GMP) that can handle both synchronous and asynchronous data sources through a single unified mechanism. The system uses a common mapping apparatus that automatically adapts to different data types, eliminating the need for separate mapping systems for synchronous and asynchronous traffic while achieving multi-functionality in a single device
Solution Approach 2:
The patent introduces an intermediary mapping procedure that acts as a mediator between diverse data sources (synchronous and asynchronous) and the optical transport network. This intermediary GMP mechanism transforms various input formats into a unified internal representation, enabling seamless combination of different data types without direct complex interactions between them
2Reliability
If existing solutions transmit asynchronous data, then they can support variable rate data streams, but they fail to synchronize plesiosynchronous data when transmitted with synchronous or asynchronous data
Solution Approach 1:
The patent employs parameter changes in the mapping procedure to handle plesiosynchronous data synchronization. The GMP mechanism dynamically adjusts mapping parameters such as justification control bits and timing indicators based on the actual data rate variations, enabling automatic synchronization of plesiosynchronous streams without requiring complex external synchronization hardware
Solution Approach 2:
The patent implements feedback mechanisms within the mapping procedure where the system continuously monitors the timing and rate of incoming data streams and automatically adjusts the mapping parameters in real-time. This feedback-driven approach enables the system to self-correct synchronization issues for plesiosynchronous data without external intervention, maintaining reliability while keeping the synchronization mechanism relatively simple
3Adaptability or versatility
If a generic mapping procedure is implemented to enable flexible data mapping, then any type of client traffic can be mapped into an oFrame, but the device complexity increases
Solution Approach 1:
The patent segments the generic mapping procedure into distinct functional modules including data type identification, parameter extraction, mapping execution, and validation components. This segmentation allows the complex GMP system to be implemented as a series of simple, manageable stages, reducing overall device complexity while maintaining the ability to handle any client traffic type through systematic processing
Data Source
AI summary
A system, method, and apparatus enabling synchronous and asynchronous data sources to be demapped from an oFrame container using a generic mapping system.