Your company has two headquarters, one in London, one in New York.
Each headquarters includes several branch offices. The branch offices only need to communicate with the headquarters in their country, not with each other, and only the headquarters need to communicate directly. What is the BEST configuration for VPN Communities among the branch offices and their headquarters, and between the two headquarters? VPN Communities comprised of:
A.
two star and one mesh Community; each star Community is set up for each site, with headquarters as the center of the Community, and branches as satellites. The mesh Communities are between the New York and London headquarters.
B.
three mesh Communities: one for London headquarters and its branches, one for New York headquarters and its branches, and one for London and New York headquarters.
C.
two mesh Communities, one for each headquarters and their branch offices; and one star Community, in which London is the center of the Community and New York is the satellite.
D.
two mesh Communities, one for each headquarters and their branch offices; and one star Community, where New York is the center of the Community and London is the satellite.