AXIe is commonly referred to as the “big brother” of PXI. This is because it shares many of the features of PXI (open modular structure, PCI Express fabric, similar software) while deploying a large board size, power, and cooling matching that found in high performance instruments. However, it also adds one very unique aspect: the AXIe local bus. In this paper the authors describe the local bus, its capabilities, and recently announced products that demonstrate breakthrough system performance utilizing the local bus. These capabilities include real time streaming and processing in excess of 40GB/s per link.
To read more about the AXIe local bus, its unique capabilities and applications, you can find the complete paper here.