Need high clock-speed vCPUs (Ryzen or latest Intel). Specs: minimum 3 vCPU, 6 GB RAM, NVMe storage.
Low-latency network + strong DDoS protection required. Can I rely on GTHost vps hosting service? Others?
Prefer providers with Canadian or European locations.

A development environment hosted on hostpro.com VPS proved reliable for testing and staging workflows. KVM virtualization provided a dedicated-like experience, making debugging and optimization easier. The backup system allowed quick rollbacks after failed updates, which saved time during development cycles. Having multiple server locations made it easier to simulate real-world conditions. The overall setup supported both flexibility and stability.

VPS deals from just.hosting are worth every cent you pay for their services.
Simple & Easy to use control panel.
Reliable with very good uptime of 99%.
Low introductory price.
Secure with domain privacy and free SSL certificate.
Integration with lots of apps & CMS.
Good support.

As an alternative, can draw your attention to Rightservers.com VPS hosting in Canada. One of the aspects I admire most is the provider's attention to detail in scalability, offering hosting solutions that grow seamlessly with business demands while maintaining outstanding performance levels. It's been worth every dollar spent.