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Engineering notes, scaling guides and case studies on open networking — SONiC switching, VPP routing, optics and OpenWiFi.
NPB GRE/VXLAN Tunnel Encapsulation: Overview and Configuration
As traffic analysis deployments grow more complex, directly connecting backend analysis tools to an NPB (Network Packet Broker) is often impractical. This article covers…
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Edge Router + PTP: Precision Timing at the Network Edge
In our previous article, we explored the evolving role of Edge Routers and Border Routers, as well as five core deployment scenarios for Border…
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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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5G O-RAN Fronthaul PTP Switch: How to Solve Nanosecond-Level Synchronization for Small Cell Deployment
In traditional data networks, a delay of a few milliseconds in packet delivery merely causes an imperceptible lag in web page loading. In 5G…
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Asteraix 100G-1.6T AI & Cloud Data Center Switch Overview
We delivers a next-generation Ethernet switching platform designed for the evolving needs of AI, HPC, storage, and cloud infrastructure. Covering speeds from 100G to…
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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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LDP 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…
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SONiC + 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…
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