Network Path Latency Testing Across Diverse Data Centers
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Solution Overview
Problem
Traditional network testing methods are impractical and unrealistic due to the diverse hardware and applications across multiple data centers, which are not adequately addressed by controlled, homogenized, predictable, and single-data-center testing conditions.
Innovation Solution
Implementing variable latency testing through a computing system that identifies and establishes paths with diverse latencies and connection speeds across a network, initiates network tests, and analyzes results to provide comprehensive network monitoring and testing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional controlled and homogenized testing conditions are used, then testing predictability and reliability are improved, but adaptability to diverse real-world network environments deteriorates
Solution Approach 1:
The testing system dynamically adapts to diverse network environments by automatically discovering network topology, identifying reachable devices, and selecting test parameters based on actual network conditions rather than relying on pre-configured homogeneous test environments. This allows the system to maintain reliability across varying network configurations.
Solution Approach 2:
The system changes testing parameters such as latency values, bandwidth constraints, and device selection criteria based on the specific network environment being tested. By adjusting these parameters to match real-world conditions, the system maintains testing reliability while adapting to diverse network configurations across multiple data centers.
2Adaptability or versatility
If network testing is distributed across multiple data centers with different hardware generations, then adaptability to real-world conditions is improved, but testing complexity and difficulty of control increase
Solution Approach 1:
The testing system performs self-discovery of network topology and self-configuration of test parameters by automatically identifying reachable devices and their characteristics. This self-service capability reduces the complexity of manually configuring tests across diverse hardware generations in multiple data centers while maintaining adaptability to real-world conditions.
Solution Approach 2:
The system implements a universal testing framework that can operate across different hardware generations and network configurations through standardized interfaces and automatic adaptation. This multi-functionality allows the same testing system to handle diverse environments without requiring separate configuration for each data center, thereby reducing overall testing complexity.
3Measurement precision
If diverse network paths with varying latencies are established, then measurement precision of network performance is improved, but device complexity and control difficulty increase
Solution Approach 1:
The system uses feedback from network tests to automatically adjust and optimize path selection and latency parameters. By continuously monitoring actual network conditions and feeding this information back into the test configuration, the system achieves high measurement precision without manually managing the complexity of diverse network paths across multiple data centers.
Data Source
AI summary
Novel tools and techniques are provided for implementing variable latency testing. In various embodiments, a computing system may identify a plurality of network devices among network devices that are distributed across a network, based on a set of characteristics for testing a target device in the network. The computing system establishes a plurality of paths, each path corresponding to a path between the target device and one of the plurality of network devices. The plurality of paths includes at least one path having a latency that is different from a latency of other paths and/or at least one path having a connection speed or bandwidth that is different from a connection speed or bandwidth of other paths. The computing system initiates network tests along each established path, analyzes results of the network tests, and presents at least one of the results of the network tests or analyses of the results.