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Network Infrastructure Magazine | Tuesday, June 20, 2023
Switching to SD-WAN in the cloud era has various key benefits, such as managing IT costs efficiently, enhancing application performance, and providing better security as well.
FREMONT, CA: Software-defined Wide Area Networks, also called SD-WANs, apply software-defined networking technology to WAN connections used by enterprises, especially to support branches located in different parts of the country. A centralized control function facilitates a more efficient and consistent data transfer by securely directing traffic across the network. SD-WAN technology orchestrates a combination of LTE, broadband, and MPLS services to establish a consistent and cost-effective solution.
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By 2023, the global SD-WAN market will reach $3.5 billion and $4.6 billion, respectively, according to the 2021 Futuriom SD-WAN Growth Report. The primary reason for this is the plethora of advantages SD-WAN offers. The following are some of the top reasons why cloud-first enterprises are switching to SD-WAN today:
Cost reductions: In organizations with multiple branches and locations, functional connectivity becomes complex and expensive. By utilizing low-cost internet connections, SD-WAN provides direct access to the cloud compared to MPLS. SD-WAN leverages all network resources to send traffic commands across the best bandwidth, making it a much more cost-effective option. The implementation and maintenance of technologies such as MPLS and WAN are also reduced.
A more secure environment: Today's cybercrime risk makes robust network security a necessity for any business. WAN solutions typically address security concerns branch by branch. Traffic is backhauled back to the main data center, causing an unnecessary delay that affects application performance. SD-WAN, on the other hand, activates and configures security protocols from the central management console, making it a cost-effective method of protecting data. In addition to in-built encryption, SD-WAN is equipped with next-generation firewalls, malware defenses, cloud web content filtering, and intervention protocols to protect enterprise networks from sophisticated cyberattacks.
A better network and application experience: SD-WAN can handle large volumes of data without compromising the signal or quality, providing a viable solution to the prevalent issue of organization downtime. Additionally, it uses application-aware routing to optimize connections between remote sites and public, private, or hybrid clouds.
Businesses are increasingly dependent on the internet for remote workers as they expand their cloud and SaaS portfolios. Organizations can prioritize business-critical applications by defining business intent and outcomes associated with each application.
Management that is simpler: With SD-WAN, IT teams can monitor, configure, deploy, and manage the enterprise network from any remote site through a centralized management console. Each location, IP address, application profile, etc., can have a unique traffic control protocol configured in the console. In order to achieve this, SD-WAN isolates the software layer from the fundamental hardware stratum. It allows the IT team to avoid spending time, money, and resources on-site.
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