Modularity, robustness and economic benefits have ensured that CompactPCIhas developed into a popular platform in the industry. CompactPCI serial has been developed to elaborate upon this. It has all the same benefits plus the added advantage of quick serial data transfer. Furthermore, an excellent migration path has been created to move CompactPCI over to the new standard CompactPCI serial.
In recent years, the parallel PCI bus technology has been increasingly equipped with fast point-to-point connections. Various interface standards like SATA, SAS, USB, Ethernet and PCIExpress® have become commonplace. The architecture of computers has slowly changed from bus architecture to point-to-point star topology.