Understanding and Exploiting Plasticity for Non-stationary Network Resource Adaptation

• URL: http://arxiv.org/abs/2505.01584v2
• Date: Tue, 06 May 2025 02:36:10 GMT
• Title: Understanding and Exploiting Plasticity for Non-stationary Network Resource Adaptation
• Authors: Zhiqiang He, Zhi Liu,
• Abstract summary: We show that neural networks suffer from plasticity loss, significantly impeding their ability to adapt to evolving network conditions.<n>We propose the Reset Silent Neuron (ReSiN), which preserves neural plasticity through strategic neuron resets guided by both forward and backward propagation states.<n>In our implementation of an adaptive video streaming system, ReSiN has shown significant improvements over existing solutions.
• Score: 7.036243456626816
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Adapting to non-stationary network conditions presents significant challenges for resource adaptation. However, current solutions primarily rely on stationary assumptions. While data-driven reinforcement learning approaches offer promising solutions for handling network dynamics, our systematic investigation reveals a critical limitation: neural networks suffer from plasticity loss, significantly impeding their ability to adapt to evolving network conditions. Through theoretical analysis of neural propagation mechanisms, we demonstrate that existing dormant neuron metrics inadequately characterize neural plasticity loss. To address this limitation, we have developed the Silent Neuron theory, which provides a more comprehensive framework for understanding plasticity degradation. Based on these theoretical insights, we propose the Reset Silent Neuron (ReSiN), which preserves neural plasticity through strategic neuron resets guided by both forward and backward propagation states. In our implementation of an adaptive video streaming system, ReSiN has shown significant improvements over existing solutions, achieving up to 168% higher bitrate and 108% better quality of experience (QoE) while maintaining comparable smoothness. Furthermore, ReSiN consistently outperforms in stationary environments, demonstrating its robust adaptability across different network conditions.

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