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Networking

SD-WAN

Software-Defined Wide Area Networking, a virtualized approach to managing multi-site network connectivity.

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Definition

SD-WAN (Software-Defined Wide Area Networking) is a virtualized approach to managing wide-area network connectivity across multiple sites. It abstracts the underlying transport (broadband, MPLS, LTE, ILL) and uses software to dynamically route traffic across the best available path based on application priority, link quality, and policy. SD-WAN enables enterprises to reduce dependency on expensive MPLS circuits while maintaining application performance, and it provides centralized policy management across distributed sites.

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