VPX™ ExpressFabric® Switch

August 1, 2016

Concurrent Technologies (Woburn, MA) recently announced FR 341/x06, a new 3U VPX™ ExpressFabric® switch. FR 341/x06 supports six payload boards and is based around an Avago Technologies PEX9700 series device which is fully Gen 3 PCI Express® compatible with additional ExpressFabric capability. Similar to Concurrent Technologies’ existing FR 331/x06 3U VPX switch, it provides PCI Express data and Ethernet control plane links but with higher performance and more flexible configurations.

FR 341/x06 has a default configuration that enables a single processor board to act as the PCI Express root complex for up to five additional payload boards connected via the data plane. In addition, two other modes of operation are supported, called virtual switch and fabric mode. The virtual switch mode allows multiple partitioned root complexes to be set up which could, for example, enable three individual clusters consisting of pairs of boards to be set up within a six slot system. The fabric mode allows multiple root complexes with links between the clusters, enabling extremely flexible configurations while still using standard PCI Express enumeration.

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