Barefoot Networks Debuts Tofino 2, Using 7nm Technology

Ali Longwell | December 04, 2018

Barefoot Networks Debuts Tofino 2, Using 7nm Technology
Barefoot Networks released the second generation of its P4-programmable Tofino Ethernet switch ASIC family, called Tofino 2. The new switch uses 7 nanometer (nm) technology to process packets at 12.8 Tb/s to better support hyperscale data centers and emerging network architectures and application workloads. The company claims that Tofino 2 delivers twice the performance of its predecessor. It still leverages the open source programming language, P4, so that it can be deployed in a multitude of ways. Specifically, Tofino 2 can be deployed from a top-of-rack switch, a service provider router, or as an appliance. It delivers 32x400GE on a single chip for hyperscale data centers that require 400GE.The switch appliance supports large table sizes for routing, tunnels, and ACLs. Tofino 2 offers support for Barefoot’s Smart Programmable Real-Time In-band Network Telemetry (SPRINT), which provides per-packet intelligent real-time visibility of network traffic. This can help enterprises log network activity to identify the root cause of outages. Designed for infrastructure builders and solutions providers, Tofino 2 relies on a modular chiplet architecture that is ready for 112G SerDes (Serializer/Deserializer) and Silicon Photonics. Barefoot launched its first programmable Ethernet switch, Tofino, in 2016 alongside P4. The company sought to make the data plane programmable so enterprises could implement high-performance applications on the data plane. It has also launched an analytics software called Deep Insight.

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Network Virtualization is more than just a technological evolution of the traditional managed networks: it's a business transformation that enterprises are incorporating into their digital transformations to maintain their market relevance


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Network Virtualization is more than just a technological evolution of the traditional managed networks: it's a business transformation that enterprises are incorporating into their digital transformations to maintain their market relevance

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