text: 3. Create the A → C relationship (or the B → C relationship). 
  4. Synchronize to system C, and ensure that A → C is established: 
  
  – A → B, A → C, A → D, B → C, B → D, and C → D 
  – A → B, A → C, and B → C 
  
  Figure 11-84 shows an example of a triangle topology (A → B, A → C, and B → C). 