Chapter 1. I/O Consolidation
Introduction
Today Ethernet is by far the dominant interconnection network in the Data Center. Born as a shared media technology, Ethernet has evolved over the years to become a network based on point-to-point full-duplex links. In today’s Data Centers, it is deployed at speeds of 100 Mbit/s and 1 Gbit/s, which are a reasonable match for the current I/O performance of PCI, based servers.
Storage traffic is a notable exception, because it is typically carried over a separate network built according to the Fibre Channel (FC) suite of standards. Most large Data Centers have an installed base of Fibre Channel. These FC networks (also called fabrics) are typically not large, and many separate fabrics are ...
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