Arista Extensible Operating System (EOS) is a fully programmable and highly modular, Linux-based network operation system that is core of Arista cloud networking solutions for enterprise data centers and cloud networks. Through its programmability, EOS enables a set of software applications that deliver workflow automation, high availability, unprecedented network visibility and analytics and rapid integration with a wide range of third-party applications for virtualization, management, automation and orchestration services.

Features

Cloud Scale Architecture

Scales from 100 to 100,000+ compute and storage nodes. The resilient operating system based on the SysDB publish/subscribe state sharing foundation and evolving to NetDB for a network-wide software infrastructure is for centralizing and streaming the network state for improved visibility.

Arista EOS as a subscription (EaaS) service, provides a flexible Consumption models for customers to balance their capital and operating expense budgets

Open and Programmable

Offering numerous programmability options, Arista EOS enables programmatic control of the network. Rich, well-structured set of APIs, including: eAPI JSON based RPC, providing REST-like interface using native CLI commands. It offers tight integration with Puppet, Chef and Ansible.

CloudVision automates workflows of network tasks through the portal.

High Availability

Reduce maintenance windows with Arista Smart System Upgrade (SSU). Live patching and upgrade of individual processes within EOS during normal switch operation. Custom monitoring, failover and load balancing with third-party integration for custom monitoring, failover and load balancing.

Simplified provisioning for switches with Zero Touch Provisioning and Replacement.

Increased Visibility

The increased visibility into application performance and network-wide monitoring capabilities is for industry standards and customer specific solutions.

Get simplified Tap Aggregation with the Arista Data Analyzer (DANZ), Latency Analyzer (LANZ), MapReduce Tracer, Path Tracer, Health Tracer, Container Tracer and sFlow monitoring.

Arista EcoSystem integration with VMware, OpenStack, Palo Alto Networks, Microsoft, and many others.