Breaking Free from Proprietary SD-WAN: Choose, Upgrade, and Control Your Own Hardware
For years, SD-WAN vendors have locked businesses into proprietary hardware, limiting flexibility, forcing costly upgrades, and restricting serviceability. If your network needs to scale, adapt, or integrate new technologies like 5G, most vendors offer only one solution: buy a new device. With flexiWAN, you take back control. Unlike vendor-locked SD-WAN solutions, flexiWAN gives businesses the freedom to choose their hardware, upgrade individual components, and extend the lifecycle of their networking devices—all while cutting costs and avoiding unnecessary replacements.

Updated March 4, 2025.

In this article
The Problem with Vendor-Locked SD-WAN: Expensive, Rigid, and Wasteful
flexiWAN: Hardware Freedom, Serviceability, and Upgradability
Conclusion: The Future of SD-WAN is Open and Modular
The Problem with Vendor-Locked SD-WAN: Expensive, Rigid, and Wasteful
Most SD-WAN vendors market their solutions as flexible, but in reality, they lock customers into a single-vendor ecosystem. Here’s what that means in practice:
No Hardware Choice: You must buy their specific appliance, even if better-suited alternatives exist.
Forced Upgrades: Need better performance, more RAM, or LTE/5G connectivity? You’re forced to replace the entire device.
Limited Serviceability: Repairs and modifications are difficult or impossible without the vendor’s support.
Hidden Licensing Costs: Proprietary software often comes with per-device licensing fees, mandatory subscriptions, or artificial feature limitations.
Forced Software Upgrades: Vendors frequently require businesses to buy new hardware just to access new software features, even when their existing device is fully capable of supporting those features.
This closed approach creates unnecessary costs, shortens hardware lifecycles, and increases e-waste, all while keeping businesses dependent on a single vendor.
flexiWAN: Hardware Freedom, Serviceability, and Upgradability
With flexiWAN, businesses finally have a choice. Instead of being locked into vendor-specific devices, you can deploy flexiWAN on the hardware that best suits your needs—whether it’s a custom-built router or a high-end server.
1. Choose the Hardware That Fits Your Business
Every organization has different network needs, and one-size-fits-all proprietary devices rarely make sense. With flexiWAN, you can select from a range of tested and supported devices or install it on your own x86-based hardware.
Build a high-performance router on a budget using off-the-shelf components.
Deploy flexiWAN on high-end x86 servers for enterprise-grade networking.
Scale your network with hardware flexibility, choosing devices that meet your exact requirements.
For businesses looking for a turnkey solution, the flexiWAN Appliances page offers preloaded, vendor-agnostic devices that have been tested in-house to ensure full compatibility and performance. However, flexiWAN can also be deployed on any x86-based hardware of your choice, as long as it meets system requirements.
2. Upgrade Without Replacing Your Entire Device
Unlike vendor-locked solutions, flexiWAN allows businesses to upgrade individual components instead of replacing entire appliances. This is particularly important when it comes to LTE and 5G connectivity.
Need LTE or 5G? Simply add a compatible modem—no need to discard your existing hardware.
Outgrowing your current device? Upgrade RAM, storage, or networking modules instead of buying a whole new unit.
Integrating new security features? Deploy Virtual Network Functions (VNFs) alongside flexiWAN instead of relying on proprietary add-ons.
With this modular approach, businesses can extend hardware lifecycles, reduce costs, and keep up with technology advancements without waste.
3. Easily Install or Replace LTE & 5G Modems
Many businesses rely on LTE and 5G connectivity for SD-WAN, but proprietary solutions often restrict user flexibility in modem installation and replacement. flexiWAN provides an easy way for users to:
Install their own LTE/5G modem instead of relying on a vendor’s predefined options.
Swap a 4G modem for a 5G upgrade without replacing the entire device.
Ensure compliance with regional carriers by selecting the right modem for their specific location.
This makes flexiWAN ideal for global deployments or businesses needing carrier flexibility without hardware constraints.
4. Lower Costs, Extend Hardware Lifecycle, and Reduce E-Waste
Proprietary SD-WAN solutions force businesses to replace hardware prematurely, leading to high costs and unnecessary waste. flexiWAN changes that by:
Eliminating vendor-imposed hardware obsolescence
Reducing CAPEX & OPEX by allowing selective upgrades
Minimizing e-waste through extended device lifecycles
This approach is not only cost-effective but also environmentally responsible, allowing businesses to adopt sustainable networking practices.
Conclusion: The Future of SD-WAN is Open and Modular
Vendor-locked SD-WAN solutions are built to benefit the vendor—not the customer. Businesses deserve the power to choose their hardware, upgrade components as needed, and avoid costly, unnecessary replacements.
With flexiWAN, you get:
Hardware freedom – Choose the best device for your needs, not what a vendor dictates.
Upgradability – Add LTE, 5G, or even network cards without replacing the entire unit.
Serviceability – Maintain, repair, or upgrade your network infrastructure on your own terms.
Cost savings – Eliminate unnecessary hardware replacements and licensing fees.
Sustainability – Reduce e-waste and extend the lifecycle of your networking devices.
Break free from vendor lock-in and take full control of your SD-WAN. Explore flexiWAN Appliances page and try flexiWAN today!