High Availability System Based on Separated Control and Traffic System

摘要

The present invention discloses a System comprising a number of plug-in units, where each of the plug-in units that is hosting a device processor is comprising two flash memory banks, and further a traffic and a control system that are separated within said node and/or each of said plug-in units have separate traffic and control system. The present invention further discloses a method for non interruptible installation, operation, maintenance, supervising and hardware or software upgrading the telecom or data communication node.