graph TD A[DBPlus] -->|Sharding| B(192.168.1.1) B[192.168.1.1] -->|Replication| C(192.168.1.2) B[192.168.1.1] -->|Replication| D(192.168.1.3) A[DBPlus] -->|Sharding| E(192.168.1.11) E[192.168.1.11] -->|Replication| F(192.168.1.12) E[192.168.1.11] -->|Replication| G(192.168.1.13)