DeepSeek details DSec sandbox infrastructure for agent training

A paper posted to arXiv details DeepSeek Elastic Compute, or DSec, a sandbox platform designed for large-scale agent training. DeepSeek founder Liang Wenfeng is listed among the paper’s 130-plus authors. DSec unifies function-call, container, microVM and full-VM sandboxes, while coordinating their lifecycle with reinforcement learning workloads.