Zayo vs Nebula
A detailed comparison to help you choose between Zayo and Nebula.
Quick Verdict
4.1/5
Zayo
256 reviews
4.3/5
Nebula
389 reviews
Nebula is rated higher (4.3 vs 4.1). Zayo is a US and European fiber network operator offering dark fiber, wavelengths, Ethernet, and colocation. 141,000+ fiber route miles across North America and Europe. Nebula is an open source scalable overlay networking tool built by Slack engineers. Creates a flat network where distributed nodes communicate securely. Firewall rules in the protocol.
Zayo Fiber network and colocation carrier | Nebula Scalable overlay network built by Slack | |
|---|---|---|
| Overview | ||
| Rating | 4.1 (256 reviews) | 4.3 (389 reviews)✓ |
| Pricing model | paid | free |
| Starting price | From €1000/mo | Free✓ |
| Best for | Enterprises and carriers needing dedicated fiber connectivity between US and European datacenters | Infrastructure engineers building large-scale private overlay networks for distributed systems |
| Tags | ||
| Tags | eu datacenterus datacenterprivate networking | free tieropen sourceself hostable |
| Visit Zayo → | Visit Nebula → | |
Zayo
Pros
- + 141,000+ fiber route miles
- + Dark fiber and wavelength services
- + US and European presence
Cons
- - Enterprise-only pricing
- - Complex procurement process
Nebula
Pros
- + Open source by Slack engineers
- + Scales to hundreds of thousands of nodes
- + Firewall rules built into protocol
Cons
- - Requires manual configuration
- - No GUI — DevOps/engineering tool
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