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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 moreCampus Networks Are Going Data Center: How Leaf-Spine, EVPN, and VXLAN Are Redrawing Network Boundaries
So let's go back to that original question: can you mix and match data center switches and campus switches?
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 moreLDP vs VCL: Choosing the Right VPP–Nginx Integration Architecture for Enterprise Gateways
Offloading Layer 7 proxy workloads to high-performance user-space network stacks is an architectural imperative for modern edge gateways operating at scale. When integrating Nginx…
Read moreSONiC + VPP IP Multicast Architecture: PIM-SM, IGMPv3, and Zero-Copy Explained
As enterprise network workloads continue to scale, application scenarios such as high-definition cross-domain video conferencing, real-time financial data feeds, and large-scale IoT firmware distribution…
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 moreMarvell OCTEON 10 CN102 vs. CN103: The DPU Selection Guide for Enterprise Networks
Marvell OCTEON 10
Read moreTeralynx 7 vs. Falcon CX8500: Which 400G ASIC Is Right for AI & Cloud?
Both switches offer 32×400G ports and 12.8 Tbps capacity — but the ASIC underneath defines everything. A complete comparison of Marvell Teralynx 7 vs.…
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