Arista Networks, Inc. is a provider of data-driven, client-to-cloud networking for large artificial intelligence (AI), data center, campus and routing environments. Its platforms deliver availability, agility, automation, analytics, and security through an advanced network operating stack. Its platform is its Extensible Operating System (EOS), a modernized publish-subscribe state-sharing networking operating system. Its portfolio of products, services and technologies is grouped into various categories: Core (Data Center, Cloud and AI Networking), Cognitive Adjacencies (Campus and Routing), and Cognitive Network (Software and Services). It offers product portfolios of data-driven, high-speed, cloud and data center Ethernet switches. Its Cognitive Adjacencies include Cognitive Campus Switching, Cloud-Grade Routing and WAN Routing. Its software and services are based on subscription-based models and include various offerings: CloudVision, Arista A-Care Services, CloudEOS and others.