Adaptive Subscription Throttling for Anomalous Network Telemetry
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Solution Overview
Problem
Network management systems face challenges in managing anomalous network telemetry message flows that can overwhelm the network communication infrastructure, while still preserving critical network telemetry information.
Innovation Solution
A central server in the network management system detects anomalous message flows and employs adaptive subscription management and message throttling techniques to constrain bandwidth, using adaptive subscriptions and adjusting polling intervals to manage these flows effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If network devices send telemetry messages at high rates to report network state changes, then network monitoring precision is improved, but network bandwidth consumption increases and may overwhelm the communication infrastructure
Solution Approach 1:
The system dynamically changes the reporting parameters of telemetry messages based on network conditions. When anomaly detection is triggered, the system adjusts the message rate parameter to throttle bandwidth consumption while maintaining monitoring precision through selective high-rate reporting of anomalous events
Solution Approach 2:
The message flow management system transitions from static subscription models to dynamic adaptive subscriptions that can adjust their behavior in real-time. The system dynamically switches between normal operation mode and anomaly response mode, adjusting message rates and bandwidth allocation accordingly
2Stability of the object's composition
If the system throttles anomalous message flows to prevent network overload, then network stability is improved, but loss of telemetry information may occur
Solution Approach 1:
The system introduces an intermediary anomaly response system that sits between the message flow and the network infrastructure. This intermediary selectively throttles messages based on anomaly detection while preserving critical telemetry information through intelligent routing and prioritization
Solution Approach 2:
The system implements feedback loops where telemetry data is continuously monitored for anomalies, and the message flow management adjusts in response to detected anomalies. The feedback mechanism ensures that throttling decisions are based on actual network conditions and that critical information is preserved
3Use of energy by moving object
If adaptive subscriptions are used to manage message flows, then bandwidth efficiency is improved, but device complexity increases
Solution Approach 1:
The system implements a universal anomaly response framework that can be applied to multiple subscription types and message flows through a common architecture. The anomaly detection and response mechanisms serve multiple functions including throttling, prioritization, and routing decisions across different subscription models
Data Source
AI summary
A process includes monitoring a plurality of message flows sent by respective network devices of a plurality of network devices. The plurality of message flows is associated with reporting a network telemetry metric to a network management system. The process includes determining that a given message flow of the plurality of message flows exhibits an unexpected behavior. The process includes, responsive to determining that the given message flow exhibits the unexpected behavior, determining an aggregate available bandwidth for message flows of the plurality of message flows, which respectively exhibit expected behaviors. The process includes, responsive to determining that the given message flow exhibits the unexpected behavior, modifying a bandwidth of the given message flow based on the aggregate available bandwidth.