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A software-defined wide area network (SD-WAN) is a network that is abstracted from its hardware, creating a virtualized network overlay.

Operators can remotely manage and quickly scale this overlay, which can span over large geographical distances. It is an application of software-defined networking (SDN).

An SD-WAN can connect several branch locations to a central hub office or cover multiple locations in a large campus such as a university campus. Because it is abstracted from hardware, it is more flexible and available than a standard WAN.

It relies on four central components:
Edge connectivity abstraction
WAN virtualization
Centralized management
Elastic traffic management

Features

Controller & Orchestrator

NE - OS

NE - OS is a IPv6 Ready Network Operating System with Enterprise features Features

Aggregator

Aggregation: Combining multiple network connections or links (e.g., MPLS, broadband, cellular) to increase overall bandwidth and optimize network performance.

Traffic Optimization: Prioritizing and routing traffic based on application type, quality of service (QoS) requirements, and network policies.

Load Balancing: Distributing network traffic across available links to ensure efficient utilization and prevent congestion.

Failover and Redundancy: Providing failover capabilities to ensure continuous network connectivity even if one or more links experience disruptions.

Security: Implementing security features to protect against threats and ensuring data privacy.

Centralized Management: Offering centralized configuration and monitoring capabilities to streamline network administration.

Case Study

DVPL’s SDWAN NE-WAN

(Leading Co-Op Bank in India – 200 Locations)

Summary

Customer was looking for centralized visibility, control & security over its network along with redundancy/fallback in last mile connectivity with SLA monitoring

Challenges

Inconsistent connectivity
No redundancy in WAN Network
No uptime SLA/reports
No traffic prioritization
No centralized visibility/control over the entire network.
No alert mechanism during incidents

Solution

Multi fabric/media supportable CPE with B/w aggregation/auto failover to avoid any downtime
SLA Reports
QoS & Application/Traffic visibility
Encrypted VPN for end to end communication
Centralized visibility/control over the entire network

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