Arista Networks, Inc.: Arista Completes 400G ZR Interoperability Testing
Accelerates 400G adoption for DCI
Arista Networks (NYSE:ANET) today announced successful interoperability testing between multiple 400G ZR suppliers over Microsoft's 120km open line system testbed. This multi-vendor testing sets the foundation for a healthy, interoperable, coherent optics ecosystem, providing customers with a multitude of options for building high speed Data Center Interconnect (DCI) networks.
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Interoperability testing of 400G ZR in Microsoft's 120km DCI testbed (Graphic: Business Wire)
400G ZR is an ideal fit for cloud service providers' next generation DCI networks as it addresses the need for interoperable, high-density and cost-effective metro capacity. With the same density as standard grey optics, the technology offers up to 25Tbps of bandwidth in a single fiber pair by squeezing spectrally efficient coherent signals into standard QSFP-DD modules. Next-generation routers with enhanced thermal management need to accommodate different 400G ZR vendors and are key to enabling a viable multi sourced ecosystem. With the support of Arista's 7800R3 routing platforms, Microsoft's transmission testing confirmed excellent optical and thermal performance over a variety of 400G ZR vendors.