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Engineering notes, scaling guides and case studies on open networking — SONiC switching, VPP routing, optics and OpenWiFi.
What Is a PTP Switch, Why It Matters, and How It Works
In traditional networks, we mainly focus on only two metrics: bandwidth and latency. Bandwidth determines how much data can be carried (like the thickness…
Read moreWhat Is PTP Time Synchronization? ITU-T Class A, B, C in Networking Explained
In our previous article, we explored how PTP switches utilize hardware timestamping to relentlessly minimize synchronization errors down to the nanosecond level. However, there…
Read moreData Center Network vs Campus Network: One Article to Fully Demystify the Difference
In a lot of project evaluations, people always end up asking the same question: what's actually the difference between a data center switch and…
Read moreAOC vs DAC vs ACC vs AEC Cables: Which Interconnect Is Right for Your Data Center?
Four interconnect technologies. One clear guide. Understand the trade-offs in distance, power, cost, and performance — so you can stop guessing and start deploying.
Read moreLayer 2 vs Layer 2+ vs Layer 3 Switches: A Guide to L2/L2+/L3 Ethernet Switch Selection
When building a modern infrastructure, choosing among layer 2, layer 2+, and layer 3 switches often feels like a balancing game. Facing technical jargon…
Read more400G vs 800G Switch: How to Actually Choose for Your AI Network
As AI clusters continue to grow and data center traffic patterns evolve, choosing the right network is no longer just a matter of "how…
Read moreComprehensive Guide to Optical Transceivers: 1G to 800G Architecture, Components, and Applications
In modern data centers and telecommunications networks, optical transceivers serve as the critical bridge between electrical and optical domains. A common question arises: "Are…
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