公开(公告)号：US20210390197A1

公开(公告)日：2021-12-16

申请号：US17275551

申请日：2020-03-17

Applicant: Hitachi, Ltd.

Inventor： Hiroaki KONOURA ,  Mayuko TAKAI ,  Yu NAKATA ,  Masafumi KINOSITA ,  Keisuke SHIRAI

IPC: G06F21/62 ,  G06F21/78 ,  G06F21/31 ,  G06F21/60

Abstract: A computer system that processes data among a plurality of sites each including a computer having a processor and a memory. The computer includes an application for performing predetermined processing on data, an execution manager for managing execution of the application, and data transfer policies specifying whether data of a processing result of the application is allowed to be transmitted to the external. The execution manager generates information on data used by the application being executed as information on data to be transmitted and applies the data transfer policies to the data in the information on data to be transmitted to determine whether the data to be transmitted can be transmitted to the outside of the site.