Satin use in ballet. Other uses include interior furnishing fabrics, upholstery, and bed sheets . Originally, during the Middle Ages, satin was made of silk; consequently it was very expensive, used only by the upper classes. Satin became famous in Europe during the twelfth century. The name derives its origin from the Chinese port city of Quanzhou, whose name in (medieval) Arabic was Zayton. During the latter part of the Middle Ages, it was a major shipping port of silk, using the maritime Silk Road to reach Europe. It was mostly used in the Arabian countries. Fabrics created from satin weaves
Fibre Channel . There are three major Fibre Channel topologies, describing how a number of ports are connected together. A "port" in Fibre Channel terminology is any entity that actively communicates over the network, not necessarily a hardware port. This port is usually implemented in a device such as disk storage, a Host Bus Adapter (HBA) network connection on a server or a Fibre Channel switch. Fibre Channel does not follow the OSI model layering, and is split into five layers: This diagram from FC-FS-4 defines the layers. Layers FC-0 are defined in Fibre Channel Physical Interfaces (FC-PI-6), the physical layers of