1. A system comprising: at least one first processor and a first agent, the at least one first processor and the first agent associated with a first root space value to define a first root space; at least one second processor and a second agent, the at least one second processor and the second agent associated with a second root space value to define a second root space; and a shared fabric to couple to the at least one first processor, the first agent, the at least one second processor and the second agent, the shared fabric to route a transaction to the first root space or the second root space based at least in part on a root space value in a root space field of the transaction.