Mirrored Telemetry Alignment for Higher-Resolution Network Monitoring
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Solution Overview
Problem
As communication networks grow in size and complexity, monitoring network devices becomes increasingly costly and inefficient, with existing telemetry systems struggling to provide accurate and constant performance monitoring without significantly increasing CPU usage and network bandwidth.
Innovation Solution
The method involves mirroring telemetry data from two network devices, creating a mirrored image with predictable latency, and aligning timestamps to achieve double-resolution monitoring without doubling the sampling rate, compensating for non-negligible latency and errors through latency-based shifting and error detection, and combining telemetry data to form a single higher resolution signal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the sampling rate per device is doubled to increase monitoring resolution, then the measurement precision of network performance is improved, but the CPU usage and network bandwidth consumption double
Solution Approach 1:
The patent combines telemetry data from two connected network devices that both monitor the same network cable. By merging the counter data from both ends of the cable, the system achieves double-resolution monitoring without requiring either device to increase its sampling rate, thus avoiding the doubling of CPU usage and bandwidth consumption.
Solution Approach 2:
The patent creates a mirrored copy of telemetry data from one device at the other end of the network cable. Each device captures counter information, and the data from both devices forms a complementary set that together provides higher resolution monitoring coverage of the same network traffic.
2Measurement precision
If the sampling rate per device is doubled to increase monitoring resolution, then the measurement precision of network performance is improved, but the network bandwidth consumption doubles
Solution Approach 1:
The patent combines telemetry data from two connected network devices that both monitor the same network cable. By merging the counter data from both ends of the cable, the system achieves double-resolution monitoring without requiring either device to increase its sampling rate, thus avoiding the doubling of CPU usage and bandwidth consumption.
3Measurement precision
If telemetry data is collected from multiple network devices to improve monitoring coverage, then the measurement precision is improved, but the device complexity increases
Solution Approach 1:
The patent introduces a telemetry collection device that acts as an intermediary to receive, synchronize, and combine counter data from multiple network devices. This mediator handles the complexity of data alignment and timestamp synchronization, simplifying the overall system architecture while achieving high-resolution monitoring.
Solution Approach 2:
The system uses timestamp synchronization and latency compensation mechanisms that provide feedback loops to align data from multiple devices. By continuously adjusting for latency differences and synchronizing timestamps, the system maintains data consistency across multiple devices without requiring complex manual configuration.
Data Source
AI summary
Methods, systems, and computer program products to combine multiple telemetry data signals to generate a single higher resolution signal. In embodiments, the method includes: modulating a sampling of telemetry data by at least two network devices; receiving telemetry data from the at least two network devices; combining the received telemetry data; and determining a status of the network and/or network devices based on a processing of the combined telemetry data.