Patent ID: 7120711
Filing Date: 2006-10-10
Classification: G06F

Abstract:
1. A system comprising: a plurality of switching elements and a plurality of cross-link devices, wherein ports of at least some of the switching elements are associated with the cross-link devices, the cross-link devices defined by configuration space of the switching elements, the cross-link devices providing a cross-link communication path between two of the switching elements; and a root complex to bridge packetized communications between a host system element and the switching elements, wherein the host system element is configured to discover cross-link communication paths provided by the cross-link devices during an enumeration process performed by the host system element to define the configuration space for an associated one of the cross link devices, wherein the host system element is configured to modify a write pattern to configuration space of a first one of the cross-link devices, and wherein the host system element is configured to compare the modified write pattern with a corresponding pattern within configuration space associated with a second cross-link device.