| 摘要 |
PURPOSE:To exchange a program to a new version in an on-line while holding the continuity of a processing as plural programs which altogether operate a processing while mutually transmitting and receiving messages through a network as an object. CONSTITUTION:A program 121 is exchanged to a new version 123, the version number of the program is added to a transmitted message 142. Then, when the message is inputted to a program 122 of a present version, the version number of the program is compared with the version number added to the message. Then, when they are disagree, the present version is exchanged to a program 123 of the new version, and then the message is inputted to the new version.
|
