Transforming
the Enterprise
with SD-WAN

Software-Defined Wide Area Networking (SD-WAN) virtualizes the WAN to decouple network software services from the underlying hardware —providing agility, flexibility, simplicity, performance, and scale for all enterprises leveraging the cloud.

Why SD-WAN

SD-WAN solutions provide the software abstraction to create a network overlay and decouple network software services from the underlying hardware.

Simplify WAN Operations

Provision branch offices in minutes with automated zero-touch deployment. Centrally manage your WAN from the cloud with global  visibility and remediation control. Scale quickly with automation, outcome-driven policies, and end-to-end analytics.

Assure Application Performance

Optimize application access performance over any type of WAN link with the intrinsic ability to determine deliver content across multiple transports.. Deliver desired quality for business-critical applications through policy-based prioritization, intelligent traffic steering, continuous link monitoring, and dynamic remediation.

On-Ramp to Any Cloud with Ease

Directly access SaaS, hybrid and multi-cloud through gateway as a service. Enable easy cloud adoption with managed on-ramp to any cloud. Reduce latency to cloud workloads with no data center backhaul.

Choices in Edge Security

Customize and enforce intelligent security policies throughout the  entire network. Easily insert third-party firewall and cloud security services in any traffic route. Protect, prioritize, and isolate traffic via the zero-trust model and end-to-end segmentation.

Key Elements of SD-WAN

Hybrid WAN

SD-WAN uses deep application recognition, dynamic traffic steering, path selection, and link condition analytics to optimize your existing Hybrid WAN links and bandwidth use—ensuring enterprise-grade performance and availability for applications on-premises and in cloud.

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Cloud-First Approach

SD-WAN leverages a cloud-delivered approach to support your growing branch network, multi-cloud environment, and SaaS adoption. SD-WAN's transport-independent architecture, intelligent traffic steering, centralized management, and zero-touch deployment provide optimized and automated secure access to cloud.

Policy-Driven Networking

SD-WAN applies policy-driven networking to proactively manage the network via intelligent, customizable business policies. With SD-WAN, you can set policies for traffic segmentation, application priorities, security services insertion, and more, to automate network configuration and processes.

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Edge Routing OR Branch Routing

SD-WAN replaces the branch router to improve routing functionality, simplify IT configurations and installations, and facilitate centralized management of the branch network—enabling you to scale quickly and securely.

Security Services

SD-WAN centralizes management of network security, enforces network-wide security policies, and provides visibility into network usage and compliance. With SD-WAN, you can insert third-party firewall and cloud security services in any traffic route—allowing branch users to securely access the data center, SaaS applications, and the cloud.

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SD-WAN Architecture

SD-WAN provides a software abstraction to create a secure, reliable, and transport-independent network overlay and decouples networking software services from the underlying hardware. SD-WAN architecture comprises of – securing network overlay, scalable secure cloud network, virtual service delivery, orchestration and analytics.

SD-WAN vs
Traditional WAN

As branch networks grow and need direct access to cloud resources and SaaS applications, traditional WAN remains complex to deploy and data center dependent. SD-WAN enables branch agility and scalability, aggregates existing transport links into a virtual unified pool of resources to optimize performance, and provides secure access to cloud.

  • SD-WAN enables branch agility and scalability through zero-touch provisioning, automated configuration, global WAN visibility, and enterprise-wide policy enforcement. Traditional WAN is expensive and time-consuming to deploy and manage, inhibiting rapid scalability.
  • SD-WAN is cloud-delivered, offering the branch network secure, fast, and reliable access to SaaS applications and the cloud. Traditional WAN backhauls traffic to the data center, resulting in deteriorated SaaS application access performance and inefficient use of expensive bandwidth.
  • SD-WAN adds enhanced security and control to the branch network through centralized management, end-to-end encryption, and endpoint authentication. With SD-WAN, you can insert security services and manage and customize business policies to ensure security and compliance across the network. Traditional MPLS is an unencrypted virtual private network and requires additional security add-ons to protect sensitive data.
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SD-WAN vs Branch Routers

As applications increasingly move to cloud and enterprises adopt SaaS applications and services, the legacy architecture and branch routers inhibit scalability and flexibility. SD-WAN delivers simple branch configuration and management, secure and reliable access to resources and applications in the cloud, and reduced install and maintenance costs.

  • SD-WAN enables rapid scalability through zero-touch deployment for configuration and centralized, one-click management to automate new services or enterprise policies immediately across the network. Branch routers require manual site-by-site configuration and are complex to install, upgrade, and maintain.
  • SD-WAN improves application performance through deep application recognition, per-packet link steering, and real-time link remediation. Branch routers lack the ability to mitigate brownouts and remediate links—resulting in lost connections and sessions.
  • SD-WAN reduces costly CapEx investment by operating as a pay-as-you-go SaaS model. Branch routers are expensive to install and maintain—requiring site-by-site configuration and management, highly trained IT staff, and dependence on MPLS.
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Software-Defined WAN For Dummies

eBook

Your crash course in SD-WAN. This easy-to-read book gives you jargon-free best practices for Software-Defined Wide Area Networking.


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