COLLABORATIVE CACHING FRAMEWORK FOR MULTI-EDGE SYSTEMS WITH ROBUST FEDERATED DEEP LEARNING

Abstract: a collaborative caching framework for multi-edge systems with robust federated deep learning is provided. first, we design a new partitioning mechanism for multi-dimensional cache space, enabling precise content recommendations in user classification intervals. next, we develop a vq-vae-based accurate prediction for content popularity by overcoming posterior collapse. finally, we create a new training mode and proactive cache replacement strategy based on robust federated deep learning. specifically, residual-based detection for adversarial model updates and similarity-based federated aggregation are integrated to avoid the model destruction caused by adversarial updates, which enables the proactive cache replacement adapting to optimized cache resources and thus enhances cache performance. using real-world testbed and movielens datasets, extensive experiments verify that rococache achieves higher cache hit rates and efficiency than benchmark methods while ensuring better robustness. moreover, we demonstrate the effectiveness of the components designed in rococache via ablation experiments.

Inventor(s): Zheyi CHEN, Jie LIANG, Luying ZHONG, Jiayu ZHENG

CPC Classification: G06N3/098 (Distributed learning, e.g. federated learning)

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