中文摘要：

研究超大容量MPMS结构聚集性问题，建立超大容量MPMS结构聚集性分析模型。给出MPMS结构顶点聚集集VGS、顶点聚集度VGD和顶点聚集系数VGC的精确定义，证明顶点聚集集、顶点聚集度和顶点聚集系数满足的3个定理。仿真结果证明了MPMS结构聚集性模型的正确性。

英文摘要：

We studied in the paper the clustering property of the MPMS fabric with super-large capability, established the analysis model for clustering property of such MPMS, provided precise definitions of vertex gathering set （ VGS）, vertex gathering degree （VGD） and vertex gathering coefficient （ VGC）, all of the MPMS fabric, and proved three theorems which the VGS, VGD and VGC parameters met respectively. Simulation results showed the correctness of the proposed model.