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Introduction of Arista’s cloud networking approach and how it is addressing Service Provider transitions. Anshul describes how Arista’s foundation in spine / leaf network designs for the cloud data centers transitioned into the WAN interconnect roles for Arista’s ethernet switches. With the demand for high speed ethernet in the WAN, Arista’s ‘switches’ were pulled into ‘routing’ roles. This demand combined with the more capable merchant silicon chipsets and an investment in modern routing software (protocols, APIs, etc) has allowed Arista to address broader use-cases in routing roles.
Personnel: Anshul Sadana
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While Arista doesn’t build legacy ‘routers’, Arista very much does provide modern ‘routing’ for cloud, service provider, and enterprise use-cases. Shyam discusses Cloud Grade Routing and Arista’s software-first approach to Internet routing, aligning with the modern internet transitions to support over-the-top video, mobile/5G, provider edge, AI-driven compute, and edge compute deployments. Arista has pioneered application of cloud networking principles of scale-out, simplify, software-driven networking. Arista is transforming Routing based on these principles, delivered on Arista’s 7280R/R2/R3 Universal Leaf as well as 7500R/R2/R3, 7800R3 Universal Spine platforms (10G, 100G, 400G), powered by Arista EOS® with its modern publish-subscribe and resilient architecture. Arista EOS supports a broad routing stack including internet scale routing, modern protocols like EVPN and Segment Routing, and automation tools such as state-streaming, and OpenConfig/gNMI.
Personnel: Shyam Kota
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Hugh provides an in-depth look at how merchant silicon hardware-platforms meet modern routing use-case needs, giving customers best-of-breed solutions with time-to-market and economies of scale benefits. Arista’s platform portfolio is based on a variety of merchant silicon architectures, all with a common EOS software approach for operational consistency. Hugh takes us through the basic principles of merchant silicon, how merchant silicon trends apply to service providers, and what Arista does to differentiate merchant silicon with software abstraction techniques that help in product quality and execution.
Personnel: Hugh Holbrook
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Alex covers the routing use cases that Arista focuses on, including Provider Edge, Metro Edge, and Backbone Transport use-cases. The session focused on how Arista helps to simplify Service Provider networks using the modern, open protocols and a scale-out architectural approach to network design. A discussion of how EVPN and Segment routing provides a consolidated control plane with options for both modern greenfield deployments and migration options for brownfield deployments (MPLS, RSVP-TE, VPLS).
Personnel: Alex Nichol
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Rich discusses the landscape for automating network operations in a service provider environment using software-driven control techniques. Topics include OpenConfig/NetCONFIG/YANG, state-streaming / gRPC, declarative provisioning, and workflow / service automation, and Carl explains Arista’s extensible automation framework and demonstrates a particular use-case for service provisioning using one of Arista’s Ansible Collection integration solutions.
Personnel: Carl Buchmann, Richard Bayliss
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