Real-Time Network Traffic Shaping for VoIP Stability
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Solution Overview
Problem
Telecommunication service providers face challenges in providing reliable VoIP services over Next Generation Networks (NGN) due to issues with quality service during peak usage times and managing concurrent VoIP calls, which can lead to network destabilization and poor service quality.
Innovation Solution
A network real-time monitoring and control system that includes a real-time network monitor, event manager, and control manager to monitor traffic flow, generate events based on performance changes, correlate events with network node status, and implement network traffic shaping controls to manage and stabilize network traffic.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traffic shaping control is applied to manage concurrent VoIP calls, then service reliability is improved, but network latency increases
Solution Approach 1:
The system dynamically adjusts traffic shaping parameters in real-time based on monitored network conditions. The control manager modifies traffic shaping controls adaptively as network load changes, applying more aggressive shaping during peak congestion and reducing it when conditions improve, thus balancing reliability enhancement with latency minimization
Solution Approach 2:
The system implements continuous feedback loops where the real-time network monitor collects performance data, the status analyzer evaluates current network state, and the control manager adjusts traffic shaping controls based on this feedback. This closed-loop control ensures that traffic shaping intensity is optimized to maintain service reliability while minimizing unnecessary latency
2Measurement precision
If real-time monitoring of multiple network indicators is implemented, then network control precision is improved, but system complexity increases
Solution Approach 1:
The system divides network monitoring into separate functional modules: real-time network monitor for data collection, event manager for threshold evaluation, and status analyzer for correlation analysis. Each module handles specific indicators independently, reducing overall system complexity while maintaining comprehensive monitoring precision through modular architecture
Solution Approach 2:
The event manager serves multiple functions by simultaneously managing threshold comparisons, event generation, and initial correlation logic. The status analyzer performs both correlation of multiple indicators and determination of network node status. This multi-functionality reduces the number of separate components needed, managing system complexity while preserving measurement precision
3Stability of the object's composition
If traffic shaping control intensity is increased to prevent network destabilization, then network stability is improved, but service quality deteriorates
Solution Approach 1:
The control manager dynamically adjusts traffic shaping control intensity based on real-time network status analysis. When network instability is detected, more aggressive traffic shaping is applied to restore stability. When stability is achieved, the intensity is reduced to minimize impact on service quality. This dynamic adjustment prevents permanent degradation of service quality while maintaining network stability
Data Source
AI summary
A network real-time monitoring and control system includes several layers of components for generating a network traffic shaping control that is used to shaping network traffic flows for one or more network nodes. The layers of the network real-time monitoring and control system include a monitoring layer, an event control layer, a traffic shaping control layer, a reporting layer, and an administrative layer. The monitoring obtains network traffic indicator measurements and network node operational indicator measurements. The event control layer uses the indicator measurements to generate a network event identifier, and generates a request for a network traffic shaping control based on a correlation of the network event identifier with a network node status identifier. The request for the network traffic shaping control is communicated to the traffic shaping control layer to generate a network traffic shaping control.