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按照摩尔定律CPU芯片的性能将不断提升,Intel和AMD公司等芯片厂商竞相推出速度更高的微处理器,推动着PC及PC服务器产品不断更新换代。但是相形之下,I/O技术的进步却显得缓慢得多。多年来PC服务器的I/O系统设计一直存PCI总线作为标准。由于CPU芯片性能不断提升,磁盘容量不断加大,文件大小不断增加,PCI开始显示出它的弱点。在寻找新出路的过程中,出现了一系列的I/O新技术,如PCI-X、光纤通道、iSCSI和InfiniBand等等。那么,在未来的服务器产品中,这些 I/O技术谁将统领天下呢?现在就让我们来逐一审视吧。
According to Moore’s Law CPU chip performance will continue to rise, Intel and AMD and other chip manufacturers compete to launch faster microprocessor, PC and PC server products to promote the continuous upgrading. But in contrast, I / O technology advances have become much slower. Over the years PC server I / O system design has been stored PCI bus as a standard. As the CPU chip performance continues to increase, the disk capacity continues to increase, file size continues to increase, PCI began to show its weaknesses. A number of new I / O technologies such as PCI-X, Fiber Channel, iSCSI, InfiniBand, etc., are emerging in the search for new ways. So, in the future server products, these I / O technology who will lead the world? Now let us examine it one by one.