METHOD FOR COMMUNICATION SYSTEM SERVICE UPGRADE AND UPGRADE CONTAINER DEVICE THEREOF

摘要

The invention provides a method for a communication system service upgrade, including: when a communication device prepares to be upgraded, an upgrade container device buffering message which currently needs to be sent to other network elements by the communication device into a sending buffer, and, when the communication device prepares to be upgraded and in an upgrade process, the upgrade container device receiving message which is transmitted to the communication device by other network elements and buffering the message into a receiving buffer; the upgrade container device sending the message in the sending buffer to destination network elements; thereby realizing an upgrade without interruption. The invention also provides an upgrade container device supporting the communication system service upgrade.