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Engineering notes, scaling guides and case studies on open networking — SONiC switching, VPP routing, optics and OpenWiFi.
Edge Router vs. Border Router: The Complete Guide to the Differences
In vendor slide decks and technical white papers, Edge Routers and Border Routers are frequently conflated—often with vendors slapping both labels onto the very…
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Next-Gen Data Center Fabric: Transitioning from EVPN-VXLAN to End-to-End SRv6
Over the past decade of cloud evolution, EVPN-VXLAN served as the standard foundation for data center virtualization and multi-tenancy. It broke the 4,096 VLAN…
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NETCONF, RESTCONF, and gNMI: How AsterNOS Implements Model-Driven Network Automation
CLI relies on text matching. SNMP can't write configuration. Those are the two structural failures that model-driven management fixes. AsterNOS unifies three protocols —…
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Asteraix CME102: Marvell OCTEON 10-Powered COM Express Type 7 Module for Open Networking
COM Express (Computer-on-Module Express) is a compact standard specification for computer modules. It packs a computer's most core components — CPU, memory, chipset, and…
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Beyond Virtual IP Failover: How AsterNOS-VPP Delivers Dual-WAN Stateful High Availability
Using VRRP Sync Group and HA Sync to protect enterprise edge connectivity during router failover
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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…
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What 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…
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Campus 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?
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Data 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…
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