7358X4 Series | Platform Overview

Dynamic Bu er Allocation

In cut-through mode, the Arista 7358X4 switches forward packets with a consistent low latency of 900 nanoseconds. Upon congestion,

the packets are bu ered in an intelligent fully shared packet memory that has a total size of 132MB for superior burst absorption. Unlike

other architectures that have xed per-port packet memory, the 7358X4 Series use dynamic thresholds to allocate packet memory

based on tra c class, queue depth and quality of service policy ensuring a fair allocation to all ports of both lossy and lossless classes.

Bu er utilization, occupancy and thresholds are all visible with Arista LANZ and can be exported to monitoring tools to identify

hotspots and measure latency at the device and end to end.

Software Driven Cloud Networking

Arista Software Driven Cloud Networking (SDCN), combines the principles that have made cloud computing the unstoppable force that

it is: automation, self service provisioning, and linear scaling of both performance and economics coupled with the trend in Software

De ned Networking that delivers: network virtualization, custom programmability, simpli ed architectures, and lower capital

expenditure. This combination creates a best-in-class software foundation for maximizing the value of the network to both the

enterprise and service provider data center. A new architecture for the most mission-critical location within the IT infrastructure that

simpli es management and provisioning, speeds up service delivery, lowers costs and creates opportunities for competitive

di erentiation, while putting control and visibility back in the hands of the network and systems administrators.

Advanced Event Management (AEM)

Simplifying the overall operations, AEM provides the tools to customize alerts and actions. AEM is a powerful and exible set of tools to

automate tasks and customize the behavior of EOS and the operation of the overall data center switching infrastructure. AEM allows

operators to fully utilize the intelligence within EOS to respond to real-time events, automate routine tasks, and automate actions based

on changing network conditions.

Virtualization

Supporting next-generation virtualized data centers requires tight integration with orchestration tools and encapsulation technologies

such as VXLAN. The 7358X4 build on the valuable tools already provided by the Arista VM Tracer suite to integrate directly into

encapsulated environments. O ering a wire-speed gateway between VXLAN and traditional L2/3 environments, they make integration

of non-VXLAN aware devices including servers, rewalls and load-balancers seamless and provide the ability to leverage VXLAN as a

standards based L2 extension technology for non-MPLS environments.

Programmable Pipeline

The Arista 7358X4 series support an enhanced forwarding architecture with smarter and exible packet pipeline which allows the

addition of new capabilities to the data plane of the packet processor through software upgrades without changes or replacement of

the underlying hardware. This allows for rapid testing and deployment avoiding costly replacements or major upgrades. Together with

exible resource allocation, the programmable pipeline increases the exibility of the platform allowing for broad use cases and ensures

continued investment protection.

Precise Data Analysis*

Arista Latency Analyzer (LANZ) is an integrated feature of EOS. LANZ provides precise real-time monitoring of micro-burst and

congestion events before they impact applications, with the ability to identify the sources and capture a ected tra c for analysis.

Advanced analytics are provided with features like bu er monitoring with con gurable thresholds, in-band path and latency

monitoring, event driven trace packets and granular time stamping.

CloudVision

CloudVision is a network-wide approach for workload orchestration and work ow automation as a turnkey solution for Cloud

Networking. CloudVision extends the EOS publish subscribe architectural approach across the network for state, topology, monitoring

and visibility. This enables enterprises to move to cloud-class automation without needing any signi cant internal development.