What is the difference between WAN and SD-WAN
Wednesday, Dec 15, 2021 · 3 minutes
SD WAN
Wednesday, Dec 15, 2021 · 3 minutes
In this internet-driven era, everyone, right from school-going students to business tycoons, wants to complete tasks in an instant. The need for such speed necessitates a reliable network infrastructure. At present, companies trust SD-WAN (Software-Defined Wide Area Network) because it has many benefits.
If industry reports are anything to go by, the global SD-WAN market will be worth $26 billion by 2028. This statistic speaks volumes about the demand for SD-WAN.
SD-WAN is a network that runs over an existing network. In simple words, it is an overlay to the current network. All thanks go to the tunneling technology, which has brought SD-WAN into existence to address the concerns surrounding cost savings, high speed, and customer satisfaction, among others.
After connecting with local networks, an SD-WAN device starts downloading traffic policies and custom-defined configurations to establish encrypted tunnels. Once this gets done, an SD-WAN device chooses the optimum path for outbound traffic.
The primary benefit lies in the SD-WAN device automatically choosing an alternative path in the case of a connection failure. It keeps the internet connectivity persistent and gives you an immersive user experience.
Now, it might be clear why SD-WAN is the first choice of all kinds of businesses.
Let's find out how it differs from traditional WAN:
WAN | SD-WAN |
---|---|
It relies on the conventional approach. | It relies on the software-defined approach. |
It does not offer flexibility in WAN management. | It offers flexibility in WAN management. |
The configuration process is very time-consuming. | The configuration process is swift. |
WAN configuration heavily depends on the availability of skilled resources. | SD-WAN configuration does not need any human intervention. |
It turns out to be a very expensive option when you seek high-speed connectivity. | It promises cost-effectiveness and high-speed connectivity. |
It amplifies intricacy with respect to infrastructure arrangement, configuration, and management. | It reduces complexity to a large extent, whether you consider infrastructure arrangement, configuration, or management. |
It struggles to integrate with security features such as SWG (Security Web Gateway), WAN Optimization, and Firewall. It also fails to offer a secure VPN (Virtual Private Network). | It smoothly integrates with security features such as SWG, WAN Optimization, and Firewall. It also offers a secure VPN. |
It is secured only over an MPLS (Multi-Protocol Label Switching) connection. | It safeguards data traffic via end-to-end encryption. |
It gives low performance when connecting with cloud-based applications. This happens because it passes through an intermediary hub. | It delivers high performance because it directly connects with cloud-based applications. |
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This comparison table clearly shows that SD-WAN surpasses traditional WAN in all areas of performance. SD-WAN promises agility and significant cost savings. And with further developments, it will definitely offer more phenomenal benefits.
Partner with a reliable service provider like ACT to enjoy the full benefits of SD-WAN. ACT, a broadband service provider, offers outstanding customer service and promises high-speed internet connectivity at nominal rates.
ACT has been investing in Fiber-To-The-Home technology for many years. Therefore, they are able to offer their customers an outstanding internet speed of 1 Gbps.
Thanks to ACT’s impeccable services, they have around 2 million customers. This sends a strong message about how committed they are to offering world-class internet services to their customers.
The best part is ACT’s services are not limited to a specific place, as its wide network covers 19 cities, including large places such as Bangalore, Hyderabad, Chennai, etc.
Curious to know their plans? Click here.
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Thanks for reading!
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