If a very large size farm wants to implement intranet portal which is having 20K user in each region e.g. North America, South America, Europe, Asia pacific region. What can be feasible plan for data-center for this? Should they keep data center in each region?
What will be farm setup?
If company is willing to invest to avoid latency & other factors so how to plan to avoid those factors?
How is this kind of setup planned in real life?
If for example they have different farms or different data centers in separate regions how is replication or synchronization happens between them?
Expecting answer from senior architects only