Technical Blog. Real guides for integrators and ISPs.

Networking

SFP vs SFP+: Compatibility, Reach, and When to Migrate to 10G

Which switches accept both, the SR/LR/ER/DAC variants, and the real signs you need to migrate your backbone.

August 28, 2026

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Fiber Optics

How to Calculate the Optical Power Budget of a Fiber Link

The real formula, a complete worked example, and the most common mistakes when calculating a link budget.

August 21, 2026

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ISP / FTTH

GPON vs EPON: How to Choose the Right Technology for Your FTTH Network

Real technical differences, OLT/ONU compatibility, and practical criteria for deciding on an FTTH rollout.

August 14, 2026

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