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The BCM56980A0KFSBG is a 12.8 Tb/s StrataXGS®Tomahawk®3 Ethernet switch.

Instructions

Hyperscale Cloud continues to drive data center scale and bandwidth. The next wave of hyperscale expansions requires 400GbE and 200GbE data center structures to avoid costly fiber device topological changes and support emerging workloads such as deep learning and NVMe storage decomposition. Tomahawk 3 brings the 56G-PAM4 SerDes to the industry-leading Tomahawk family of product lines, supporting switching chip bandwidth up to 12.8 Tb/s and the new 400GbE and 200GbE IEEE standards.

Supporting up to 32 400GbE ports, the StrataXGS Tomahawk 3 switch family can be used to build highly scalable overhead, aggregation and spine switches. Meters are key to managing the scale and bandwidth of the coming hyperscale cloud data centers. Tomahawk 3 introduces Broadview™ Gen3, including the latest cloud-scale instrumentation and telemetry features such as in-band telemetry, delay distribution histograms, and more.

Feature

Provides 256 integrated SerDes and 56G-PAM4, supporting 200GbE and 400GbE

Up to 32x400GbE, 64x200GbE or 128x100GbE ports

The power per port is reduced by more than 40% compared to previous Tomahawk devices

New instrument features such as in-band telemetry, delay histograms, switching uluce monitors and more

The new Elephant Stream feature detects high-bandwidth, long-lived traffic and takes QoS measures to protect mouse traffic

More than double the number of IP routes forwarded compared to previous Tomahawk devices

Dynamic load balancing and dynamic group multipathing enhance ECMP

The new shared buffering architecture provides 4 times higher burst absorption and higher performance for ROCEv2 workloads

PCIe Gen3 x4 host CPU interfaces with on-chip accelerators increase control plane performance by up to 5 times

Compatibility with previous generation Tomahawk and Tomahawk 2 devices

Applications

Single chip solutions for data center overhead, aggregation and spine switches

Data center fixed and chassis/modular switches

Deep learning network

NVMe storage decomposition

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