As the market matures, devices that only support SD-WAN are gradually disappearing. The future SD-WAN will no longer be developed as an independent technology. With the continuous development of technology, SD-WAN is developing from independent technology to an important function in WAN edge devices, and even has the necessary functions. With the evolution of the direction, SD-WAN provides a variety of application-centric services to remote and branch offices. If you still think that SD-WAN alone will have to develop, then you will be eliminated by the times.
The reason why SD-WAN has been continuously developed is that the technology is consistent with the interests of vendors and enterprises. Vendors believe that the revenue potential of SD-WAN is growing, and enterprises hope to integrate network infrastructure through SD-WAN. Network connections reduce CAPEX and OPEX.
In a survey released by the Enterprise Strategy Group, 60% of the SME IT organization awards SD-WAN is a featured service for a wider range of branch network services. Only 36% of the 300 respondents believe that SD -WAN technology is an independent technology.
SD-WAN vendors focus on the needs of users and provide fast routing and exchange services that will facilitate the rapid development of the market. IDC predicts that the revenue of SD-WAN infrastructure and services will grow by 70% annually by 2021, when the SD-WAN market will reach more than $8 billion.
SD-WAN attractionEnterprises are widely adopting SD-WAN devices to reduce the cost of connecting branch offices to cloud-based business applications. Instead of separating the packets that are marked as clouds, the enterprise can pass all traffic back to the data center and send those packets directly to the faster and cheaper Internet.
In the past few years, startups have dominated the market by pluggable SD-WAN devices into enterprise network infrastructure. Today, enterprises are looking for more functional hardware, and the hardware needs of enterprises include SD-WAN. With WAN optimization, firewall and IP services, pure SD-WAN devices can no longer meet the needs of enterprises.
Gartner analyst Andrew Lerner said: "Over time, SD-WAN products will be transferred from dedicated single-function hardware to software loads on multi-function devices." Suppliers of these devices include Cisco, CloudGenix, Nokia/Nuage, iverbed , Silver Peak, VeloCloud, Versa, and more.
IDC analyst Brad Casemore said: "These SD-WAN device providers will build solutions in different ways, using different devices and different ways to build a partner ecosystem and further realize their vision."
Choose the right SD-WAN vendorMore than 40 companies in the industry are currently selling WAN edge infrastructure, including SD-WAN devices. In a recent market report, Gartner made recommendations for choosing the right SD-WAN vendor:
Everything should start with the application of network services to meet the technical needs of the enterprise. SD-WAN vendors that choose products that conform to the organization's long-term WAN and application architecture. If you are ready to refresh edge routing, consider using an SD-WAN solution instead of a single one. The WAN edge function is unlikely to meet the needs of each business unit and branch office. Creating a list of requirements for each branch office Because SD-WAN tends to use broadband for Internet connectivity, it cannot be assumed that MPLS has been banned. Gartner expects the Internet and MPLS connectivity to deliver the performance, reliability and security required for the next three years.
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