What you need to know before purchasing an SD-WAN
Here are a few key features to check when an enterprise examines and analyzes features of SD-WAN.
Replace existing branch functionality: Modern branch routers come with a wide range of features, including QoS, IPSec VPN, dynamic routing, NetFlow, SNMP, logs, access control records, event management, and protocol support like BGP and OSPF. SD-WAN must have the option to do this in addition to.
Independence in transportation. An SD-WAN should be able to use fast data transfer capacity over a variety of transports, including MPLS, Internet, 3G/4G/LTE, and 5G.
Routing control. It is essential to be able to use different dynamic methods for transferring information, being flexible, and adapting to internal failures. Depending on the policy, the system should be able to dynamically manage traffic. Generally, packet loss, latency, and jitter will result from changing network conditions.
The optimization of an application. SD-WAN can improve application performance as its main advantage. Every application in any portfolio should be capable of being perceived by systems and include the option to effectively monitor the performance of the applications as they are moved through the WAN, including voice and video traffic and SaaS applications.
The encryption process. As you decrease your dependency on VPN technology, the SD-WAN should be able to encrypt WAN traffic according to the standards. What is the significance of an automated key pivot system to allow encryption keys to be changed frequently?
The security of your information. Currently, SD-WAN topologies connect branches to the public Internet directly (rather than coordinating traffic back to the central office), so it is imperative to secure each branch individually. A next-generation integrated firewall should offer applications such as antivirus, anti-malware, URL/content filtering, data loss prevention, segmentation, IDS/IPS, and sandboxing.
Deployment without touch. With zero-touch deployment, an SD-WAN box can be shipped from a branch and a non-professional can easily hook it up to the power and WAN connections, and the device will call and configure itself.
The automation and orchestration of processes. SD-WAN services should be automated and the overlay software should be able to orchestrate monitoring, troubleshooting, reporting, and other functions across the WAN.
The micro-segmentation process. When two-way traffic between branches and the Internet exists, that presents a possible security breach in which a branch gadget can be accessed by an attacker and uses this as a platform to attack data center resources. Microsegmentation allows the organization to restrict hacker traffic by limiting side traffic.
This chain of services. Both centralized and decentralized models have their advantages and disadvantages. Despite SD-WAN replacing MPLS, the enterprise has to manage numerous distributed devices that each provide multiple functions, making the system more complex. A service chain is a medium technique that lets organizations divert traffic and pool it to decrease branch clutter and increase productivity. SD-WAN may be used for optimization and routing purposes, for example. Send traffic to a cloud-based service provider that will handle all security functionality before allowing it to reach the open Internet.
Ensure your SD-WAN is future-proof
The deployment of SD-WAN is an essential step in the larger digital transformation drive for an organization as it supports cloud computing for application development, critical applications, and storage, backup, and disaster recovery. With SD-WAN, office workers have access to these cloud resources quickly, securely, and productively. In addition, the business is moving towards a more extensive product category called SASE, which puts more functionality directly into the cloud and allows secure access from all endpoints, including workspaces.