April 29, 2019 SD-WAN Overview Software-Defined Wide Area Networking (SD-WAN) is an emerging alternative to provisioned Multi-Protocol Label Switching (MPLS) circuits, providing distributed flexibility by using a centralized control model at the customer premises or within the cloud. SD-WANs are built on the core Software-Defined Networking (SDN) principle of strict separation of data and control planes. SD-WANs can manage multiple types of connections, including MPLS, LTE (News – Alert), and broadband cable or DSL, while delivering a variety of services, such as VPN, security and load-balancing. SD-WANs can be deployed much faster than an MPLS circuit, which must be provisioned by a service provider with a range of contractual Service Level Agreements (SLAs). SD-WAN is a solution that has modified the panorama of management of distributed data networks, especially in the corporate branch. Strictly speaking, it is the ability to offer new possibilities against the traditional WAN Networks (matrix and branch), since a lot of the companies now centralize access in the matrix or store data and files in the cloud (Public or private cloud). Software-defined networks have shown many benefits, and traditional WANs, whose expiration dates seem to be coming to an end, were not designed to meet the demands… Read full this story
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