This paper presents our experiences in deploying YU, Alibaba’s in-house traffic load verification system for wide area networks (WAN), in data center networks (DCN). We encounter two key challenges: the opaque ISP challenge, where the opaque nature of the configurations of peering ISPs results in low accuracy of inter-...
Zijian Zhang, Yi-Fan Li, Xing Fang et al.· IEEE Transactions on Network...· 0 citations
This paper presents our experience deploying TianYan on Alibaba Cloud's global production WAN, which is, to the best of our knowledge, the first system for verifying non-deterministic convergence on a global production WAN. In daily operation, we rely on simulation-based configuration verifiers that assume a single con...
Xing Fang, Fang-Dan Ye, Yifei Yuan et al.· Conference on Applications,...· 0 citations
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