Patent ID: 6898202
Filing Date: 2005-05-24
Classification: H04L

Abstract:
1. A method of informing a requesting device of configuration changes in a switched I/O network in communication with said requesting device, said method comprising the steps of: initializing a switch in communication with said requesting device, said switch including a plurality of communication ports, said initializing including the steps of setting an initial change index value, creating an initial data vector identifying implemented ports, and storing said change index value in association with said initial data vector; incrementing said change index in response to a subsequent configuration change; creating a data vector in response to said subsequent configuration change, said data vector identifying each of said plurality of ports affected by said subsequent configuration change; storing said data vector in association with said incremented change index; responding to a query from said requesting device, by identifying to said requesting device all ports previously identified as affected by a configuration change in one or more data vectors associated with change index values more recent than the most recent change index value known to said requesting device.