Cable Identification Using Segmented Labels and Fabric Manager
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Solution Overview
Problem
Large-scale data centers face challenges in maintaining and identifying properly connected cables due to the complexity of their cabling infrastructure, with existing solutions struggling to provide accurate physical connectivity information independently of higher-layer protocols and distinguishing between physical and logical connectivity.
Innovation Solution
Cables with unique, machine-readable labels disposed along their length, combined with an automated fabric manager that collects and reports physical connectivity information using in-band management data packets, allowing for identification and management of cables without relying on higher-layer protocols and enabling alerts for connection changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If cable identification information is stored only at connector ends, then automatic identification by connected equipment is enabled, but manual identification and fault location become difficult when connectors are inaccessible
Solution Approach 1:
The cable identification system is segmented into multiple locations: electronic components at connectors for automatic identification, and physical labels at intermediate locations for manual identification. This segmentation allows each method to operate independently based on accessibility needs.
Solution Approach 2:
Physical labels serve as an intermediary between the cable and the identifier, providing an accessible intermediate point for manual reading that doesn't require accessing the connector ends. The label acts as a mediator that bridges the gap between automated electronic identification and human manual inspection.
2Extent of automation
If labels are placed only at connector ends, then automatic reading by equipment is possible, but manual access to labels becomes difficult when connectors are located in inaccessible positions
Solution Approach 1:
The labeling system is divided into multiple segments along the cable length, with labels positioned at both connector ends (for automation) and at intermediate accessible locations (for manual access). This segmentation ensures both automated and manual operations can function effectively.
Solution Approach 2:
The label placement extends from a one-dimensional position (only at connectors) to a two-dimensional distribution along the cable length, creating multiple access points in different spatial locations. This dimensional expansion provides both automated access at connectors and manual access at intermediate points.
3Ease of operation
If multiple labels are placed along the cable at regular intervals, then identification accessibility is improved, but cable complexity and manufacturing cost increase
Solution Approach 1:
Labels are strategically positioned at specific locations along the cable (connector ends and intermediate points) rather than uniformly distributed. This local quality approach places labels only where needed for identification accessibility, avoiding unnecessary complexity from excessive labeling.
Data Source
AI summary
Communication apparatus includes a memory and a communication interface, configured to send and receive messages to and from respective management agents in multiple items of communication equipment having ports that are interconnected by cables in a network, each of the cables having a unique identifier. A processor is configured to communicate with the management agents via the communication interface so as to collect physical connectivity information with respect to the cables and the ports, to store the physical connectivity information in the memory, and to provide the physical connectivity information to a user of the apparatus.