ODU Service Scheduling Hybrid Mapping Single Bus
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Solution Overview
Problem
Current systems require separate buses for ODUk and ODUCn mapping, leading to increased complexity and costs, as they cannot implement hybrid mapping of both through a single bus, which is necessary for compatibility with existing and new devices supporting B100G services.
Innovation Solution
A method and apparatus for ODU service scheduling that acquires and distributes low-order ODUj data across multiple ODUk and ODUCn channels, adjusts bit widths, smooths data, and combines ODUk and ODUj data to enable hybrid mapping on a single bus, utilizing modules like port distribution, ODUk mapping, combination, and ODUCn mapping, implemented by CPUs, DSPs, or FPGAs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If separate buses are used for ODUk and ODUCn mapping channels, then compatibility with existing and new devices is achieved, but device complexity and implementation costs increase
Solution Approach 1:
The patent merges the ODUk mapping channel and ODUCn mapping channel into a single shared bus structure. The ODUj service is multiplexed onto this shared bus, allowing it to be distributed to both ODUk and ODUCn mapping functions simultaneously. This eliminates the need for separate dedicated buses while maintaining full compatibility with both ODUk and ODUCn devices.
Solution Approach 2:
The shared bus is designed to serve multiple functions: it carries ODUj service data that can be mapped to ODUk containers, ODUCn containers, or both simultaneously. The bus structure and associated mapping modules are configured to handle different mapping scenarios dynamically, providing universal support for both legacy ODUk devices and newer ODUCn devices without requiring separate dedicated infrastructure.
2Reliability
If separate buses are used for ODUk and ODUCn mapping channels, then mapping functionality is ensured, but implementation costs increase
Solution Approach 1:
The patent combines multiple mapping channels into a single shared bus implementation, directly reducing hardware component count and associated costs. The shared bus architecture allows ODUj service to be distributed to both ODUk and ODUCn mapping modules through resource sharing, eliminating redundant bus infrastructure while ensuring reliable mapping functionality for both container types.
3Device complexity
If a single bus is used for hybrid mapping of ODUk and ODUCn, then device complexity is reduced, but data distribution and scheduling complexity increases
Solution Approach 1:
The patent introduces a service scheduling module as an intermediary between the ODUj service source and the shared bus. This scheduling module automatically manages the complex task of distributing ODUj service data to appropriate ODUk and ODUCn mapping channels based on current configuration and traffic demands. By centralizing scheduling control in this intermediary module, the system reduces overall complexity while maintaining flexible and reliable data distribution across the hybrid mapping architecture.
Data Source
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AI summary
Provided is a method for ODU service scheduling. The method includes: acquiring a value n of an ODUCn, and distributing low order ODUj data to be mapped to a number n of ODUk mapping channels and an ODUCn mapping channel; mapping the ODUj data distributed to the ODUk mapping channels onto an ODUk service, and outputting ODUk data; combining the ODUk data and the ODUj data distributed to the ODUCn mapping channel and obtaining combined ODUj data; and mapping the combined ODUj data onto an ODUCn service. Further provided are an apparatus for ODU service scheduling and a computer storage medium.