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Flash Memory Summit: Switchtec PAX Advanced Fabric Gen3 PCIe Switch by Microsemi

Providing performance fabric connectivity for scalable, multi-host systems and just a bunch of flash supporting single root I/O virtualization, NVMe and multi-function endpoints

Microsemi Corporation announced the availability of its Switchtec PAX advanced fabric Gen3 PCIe switch providing performance fabric connectivity for scalable, multi-host systems and just a bunch of flash (JBOF) supporting single root I/O virtualization (SR-IOV), NVMe and multi-function endpoints.

This device will be showcased in Microsemi’s booth at the Flash Memory Summit, Aug. 8-10, 2017.

Hyperconverged systems are evolving towards composable/disaggregated infrastructures (C/DI) such as rack scale architecture to meet the rapidly changing demands on resources and storage capacity of next-generation applications. PAX advanced fabric PCIe switches provide a scalable, low latency and cost-effective solution to the disaggregation of computing, networking, graphics processing units (GPUs) and storage resources. These PAX PCIe switches, which are flexibly interconnected with configurable high-speed fabric links, virtualize PCIe domains and SR-IOV endpoints. System development is simplified through a fabric application programming interface (API) and the ability to utilize off-the-shelf NVMe host drivers, reducing time-to-market for complex multi-host systems.

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As we work closely with industry leaders, it became clear there’s demand for Microsemi to expand our PCIe switch portfolio to support next-generation disaggregated architectures,” said Derek Dicker, VP and business unit manager, performance storage, Microsemi. “Our PAX advanced fabric PCIe switch is pin-compatible to our PSX storage and PFX fanout PCIe switches, providing our customers a simple upgrade path to building SR-IOV-enabled and composable disaggregated systems while supporting our ability to gain market share.

According to market research firm IDC’s February report titled, Composable/Disaggregated Infrastructure (C/DI)-Addressable Market Opportunity, the total worldwide addressable opportunity for vendors with C/DI is $34.5 billion in 2017. The firm also expects this opportunity will grow at a modest CAGR of 7.4% and reach $45 billion in 2020. The Switchtec PAX advanced fabric PCIe switch is well-aligned to these growth trends, as it enables customers to leverage the device for the development of next-generation C/DIs.

Switchtec PAX family comprises switches from 96 lanes to 24 lanes, providing:

  • Performance PCIe fabric connectivity overcoming the limitations of the PCIe specification for rack scale multi-host systems

  • Multi-host sharing of SR-IOV and multifunction endpoints

  • Virtualization of PCIe domains and SR-IOV NVMe SSDs

  • Software development kit (SDK) for virtualization of other SR-IOV endpoints, and for enclosure management

  • Flexible port bifurcation in the industry, from x2 to x16 lanes per port

  • High port density, with up to 48 ports

  • Advanced error reporting

  • Error containment for surprise-plug and unplug to prevent system crashes

  • Advanced diagnostics and debug features to identify, diagnose and fix problems

  • Separate Refclk Independent SSC (SRIS) for cabled PCIe and lower cost system designs

The company’s Switchtec PAX advanced fabric PCIe switches are sampling to lead customers.

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