Home Full-text access for editors Demand response capacity constrained optimisation of multicast routing in smart grid by Zihao Zhu; Xiaohui Li; Yuemin Ding; Zhenxing Liu International Journal of Wireless and Mobile Computing (IJWMC), Vol. 19, No. 1, 2020 Abstract: Low-latency Demand Response (DR) operation is urgently required to maintain grid stability in the context of wide area control for smart grids. Multicast-based communications are a feasible choice for reducing DR communication delay.