TL;DR
- ▸Proprietary grandmasters still win on installed base, support organisations and certification with specific procurement frameworks.
- ▸Open-source grandmasters now win on auditability, multi-vendor sourcing, lifetime cost, and DORA-style third-party risk requirements.
- ▸For greenfield deployments and entities re-evaluating an existing baseline, open standards are now the lower-risk default.
Where the proprietary alternatives still win
It would be unfair to claim the open-source alternative wins on every dimension of the procurement decision. Proprietary grandmaster vendors have decades of installed base, mature support organisations with named technical contacts and global coverage, broader product catalogues that cover every niche use case, and certification status with specific regulators and procurement frameworks that take years to replicate. For an entity that needs an immediate drop-in replacement to a known proprietary baseline — same form factor, same management interface, same vendor support model — the proprietary path is still the path of least friction.
These are real advantages, and they matter for some procurement decisions. The question is whether they matter enough to outweigh the open-standard alternatives in any specific deployment context.
Where the open path is now ahead
Five dimensions where open hardware has moved ahead of proprietary alternatives over the past few years. Auditability of firmware and software: open implementations can be read, verified and modified by the operating entity. Closed implementations cannot. In a regulatory examination, auditable beats trusted every time. Multi-vendor sourcing: OCP TAP-aligned hardware can be sourced from multiple vendors building to the same reference design. Single-vendor proprietary hardware cannot. This addresses the third-party concentration risk requirements that DORA introduced into European financial regulation. Lower lifetime cost: open hardware typically costs less in capex and materially less in operational support over a 5-7 year deployment lifetime. The capex difference is small; the operational cost difference is substantial. Easier defence under DORA-style requirements: documented exit strategy from any single vendor, multi-vendor sourcing path, auditable supply chain — all of which are easier when the hardware is built to an open reference design. Future-proofing against vendor consolidation: when the original supplier is acquired, raises prices, or deprecates a product line, the operating entity can move to another supplier without re-architecting.
The procurement shift
A decade ago, open hardware was the niche choice and proprietary was the default. The default has flipped for greenfield deployments and for entities re-evaluating their baseline. Proprietary is still viable but is no longer the obvious starting point.
What the Open Time Server family delivers
TimeBeat ships three Open Time Server hardware variants. The Open Time Appliance is a 1U rack-mounted grandmaster with hardware-grade GNSS reception, OCXO/DOCXO/Rubidium holdover options and full PTP profile support. The Open TimeCard is a PCIe time card that drops directly into a server, providing GNSS-disciplined precision timing locally on the host without a separate appliance chassis. The Open Time Node WR is a White Rabbit grandmaster for sub-nanosecond fibre-distributed timing.
All three are built to OCP Time Appliance Project reference designs and run the TimeBeat Agent. Customers have access to the firmware source, the configuration baseline, and the operational documentation that compliance teams need to defend the deployment in a regulatory examination. The hardware is sold with a documented exit strategy: another vendor building to the same OCP TAP reference design can replace any TimeBeat unit without re-architecting the timing fabric.
Where to start if you're re-evaluating
Three questions, in order. Can your current vendor produce the documentation a DORA assessor will ask for — supply chain security practices, incident response procedures, exit strategy? If not, the procurement risk is real. What's the documented exit strategy from your current vendor — is there a credible path to switch suppliers if costs rise or the product line is deprecated? If not, the lock-in is too tight. What's the lifetime operational cost of the current deployment compared to an open-hardware alternative? The capex comparison usually favours the proprietary alternative; the lifetime cost comparison usually doesn't.
If any of these answers concerns you, the conversation about open hardware is worth having. We work with compliance and procurement teams across European and US markets, and we're happy to walk through the trade-offs specific to your situation.
Frequently asked questions
Are open-source PTP grandmasters as accurate as proprietary alternatives?+
What does multi-vendor sourcing mean for open hardware?+
How does open hardware affect DORA compliance?+
What's the lifetime cost difference between open and proprietary hardware?+
Related reading
Blog · Finance
Regulatory Compliance Made Easy: Open-Standard PTP Grandmasters for Financial Institutions
How TimeBeat's open-standard PTP grandmasters and the Sync Insight observability platform make MiFID II, FINRA and DORA compliance easier to defend in front of a regulator than the proprietary alternatives.
Blog · Hardware
Why Choose the Open TimeCard Over a Traditional Grandmaster Appliance
When a PCIe time card delivers the same precision as a 1U rack appliance at a fraction of the rack space, power and cost, the procurement question shifts. Why the Open TimeCard is the right choice for many deployments where a traditional appliance would historically have been specified.
Blog · Hardware
TimeBeat Open Time Servers: Affordable PTP Without Compromise
How TimeBeat's Open Time Server family delivers the precision and standards compliance of premium grandmaster appliances at materially lower price points, by building on open-standard reference designs and the linuxptp software stack.

