Which of the following is suitable as a description of the concept behind system implementation with the characteristics shown below?
(1) Work is assigned by a user. The locations (servers) within the network required to process this work are autonomously visited, and the work is finished.
(2) When all work is finished, it is returned to the user.
(3) The user does not need to access the network until the work is returned after it is sent out to the network.