What to Remember Before Picking SD-WAN

What to Remember Before Picking SD-WAN

By Enterprise Networking Mag | Monday, September 07, 2020

Software-defined networking principles over the WAN are applied by the software-defined WAN to redefine the management paradigm by operating the WAN as a holistic system.

FREMONT, CA: It is often seen that the IT shops replicate their existing hardware and architecture when it comes to refreshing the networking equipment. A refresh cycle provides valuable opportunities to alter as well as improve the long-standing practices.

The approach of SD-WAN helps in reducing costs, streamlining management, improving end-user experience, and gives other benefits. Here are a few SD-WAN factors that IT leaders can consider when they plan out the future of their WANs:

Enduring Savings:

One of the significant advantages of SD-WAN is that it can smartly shift the traffic, which is less latency-sensitive onto an internet circuit, away from a multiprotocol label-switching channel. Since Multiprotocol Label Switching (MPLS) is more expensive than the internet, it leads to a considerable cost avoidance over time. In a few cases, organizations can make the savings much higher by minimizing the MPLS circuit sizes or by fixing the contracts at a lower rate. After the first 18 months of an SD-WAN deployment, organizations can ideally regain their upfront investments within two years and then maintain their savings with the year coming.

Basic Management:

Several SD-WAN solutions provide smooth management via an essential online portal. Unlike the traditional methods, the new centralized control of an SD-WAN architecture helps the organizations to bring changes to thousands of devices.

Planning and Design:

Organizations require investing time in planning out their implementations to ultimately reap the advantages of SD-WAN. They should take some time to standardize the templates that diminish management complexities before opting SD-WAN solution to offload traffic to the internet.

Decentralized Defense Mechanism:

Previously, most SD-WAN solutions only provided basic firewall abilities, without the application-based firewalls or content filtering. Nevertheless, some solutions can provide unified threat management (UTM) to the organizations so that they can move to a decentralized security model. Such a security solution lets the user access internet-based applications securely and optimally through direct internet access (DIA). To achieve better outcomes from their networking solutions, organizations need to embrace the latest methods of operating things.

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