527–565) was perhaps already more focused on recovering the lost western half of the Roman Empire than in pursuing war against Persia.[3] The Byzantine envoys Rufinus, Hermogenes, Alexander and Thomas found Khosrau in a more conciliatory disposition than his father, and an agreement was soon reached. Justinian would pay 110 centenaria (11,000 pounds) of gold, ostensibly as a contribution to the defence of the Caucasus passes against the barbarians living beyond, and the base of the dux Mesopotamiae would be withdrawn from the fortress of Dara to the city of Constantina.