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Switched fabric or switching fabric is a network topology in which network nodes interconnect via one or more network switches [1] (particularly crossbar switches).Because a switched fabric network spreads network traffic across multiple physical links, it yields higher total throughput than broadcast networks, such as the early 10BASE5 version of Ethernet and most wireless networks such as Wi-Fi.
All switches in an Ethernet fabric are managed as if they were a single logical chassis. To the rest of the network, the fabric looks no different than any other single Layer 2 switch. Each physical switch in the fabric is managed as if it were a port module in a chassis. This enables fabric scalability without manual configuration.
While the term "fabric" has also been used in association with storage area networks and with switched fabric networking, the introduction of compute resources provides a complete "unified" computing system. [citation needed] Other terms used to describe such fabrics include "unified fabric", [4] "data center fabric" and "unified data center ...
InfiniBand uses a switched fabric topology, as opposed to early shared medium Ethernet. All transmissions begin or end at a channel adapter. Each processor contains a host channel adapter (HCA) and each peripheral has a target channel adapter (TCA). These adapters can also exchange information for security or quality of service (QoS).
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Abrizio was a fabless semiconductor company which made switching fabric chip sets (integrated circuits for computer network switches). Their chip set, the TT1, was used by several large system development companies as the core switch fabric in their high value communication systems.
The Nexus 6001 is a fixed 1 RU switch with 48 x 10 Gbit/s and 4 x 40 Gbit/s interfaces for uplinks. It can operate as both layer2 and as layer3 switch and in combination with FEX (fabric extenders) you can aggregate up to 1152 ports at 1 Gbit/s or 10 Gbit/s. System speed is wire-speed at layer2 and 1.28 Tbit/s for layer3 operation.
The fabric is a network of Fibre Channel devices which allows many-to-many communication, device name lookup, security, and redundancy. FC switches implement zoning, a mechanism that disables unwanted traffic between certain fabric nodes. Fibre Channel switches may be deployed one at a time or in larger multi-switch configurations.