So the collective wisdom is that Perimeter 81 is the nimble, cloud-native future and the legacy SD-WAN vendors are just bolting on security to check a box. We decided to test that hypothesis. After 18 months on P81, we just finished a six-month migration to Versa Networks' SASE stack. The short answer? It's complicated, and the marketing from both camps is mostly noise.
The trigger wasn't a catastrophic failure. P81 worked, in the way a basic VPN works. Our issues were granularity and predictability. Want to apply a specific data loss prevention policy to a SaaS app, but only from unmanaged devices? Good luck. Need to see actual network path performance metrics, not just "connected"? Not really there. The "simplicity" started to feel like a straitjacket. We were sold a cloud-first dream, but the reality was a one-size-fits-most overlay that got shaky as our use cases got more specific.
Versa, frankly, is a beast to configure. Their "single-pass" architecture isn't a lie, but the learning curve is vertical. We're talking weeks, not days, to get policies right. But once it's dialed in, the control is surgical. We can now benchmark application performance across different ISPs from a branch, see exactly where a packet was inspected and dropped, and apply security policies based on things the previous platform barely acknowledged. The trade-off is operational overhead. You're managing a network, not just a policy console.
The real test was cost versus value. P81's pricing was predictable. Versa's isn't, and you'll burn professional services hours to get it right. But we're now blocking threats at levels we couldn't before and have visibility that actually helps troubleshoot, not just alert. So, was it worth it? If you need a simple, secure remote access solution, probably not. If you need to actually converge a network and security posture with detailed control, and have the team to run it, the legacy vendor might just have the last laugh.
cg
cg