Management system and management method

A management system, comprising:

• at least one processor;
• and
• at least one memory device storing instructions which when executed by the at least one processor, cause the at least one processor to perform operations comprising:
• registering resource data indicating an address of an external system capable of responding to any computer system in response to reception of a communication establishment request from the any computer system;
• establishing communication between a given computer system and the external system in response to registration of the resource data by performing control so that the given computer system transmits the communication establishment request to the external system having the address indicated in the resource data;
• and
• setting a role, in a given process to be executed by the given computer system, of the external system with which the communication has been established.