| 摘要 |
PROBLEM TO BE SOLVED: To increase a speed using cache even when there exists a page in which correction of one display contents affects display contents of another screen, in proxy processing to an HTTP server having a plurality of screens in which the contents of the displayed screens have correlation with one another.SOLUTION: A proxy device stores a dependency table 13 in which dependency between screens provided by a Web-GUI bundle 22 is described, and a setting change URL table 15 in which a URL designated when changing setting on the Web-GUI bundle 22 is described, and when the URL requested by a request is described in the setting change URL table 15, the proxy device invalidates cache information having dependency on the requested URL. The proxy device includes a change parameter relevant screen table 17 in which a parameter is related to the screen, receives information of the changed parameter from a parameter change notification section 16, identifies a screen related to the changed parameter, and invalidates the cache information. |
