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Notes, guides, and things learned from the lab

Building Telco Edge Platforms with SUSE Edge Image Builder

2025-11-13 12 min read

How SUSE Edge Image Builder creates custom, immutable OS images with embedded Kubernetes configurations for zero-touch provisioning of 5G edge platforms on Dell PowerEdge XR8620t.

SUSE RKE2 Edge Computing 5G
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Multi-Tier Network Architecture for 5G vRAN Workloads

2025-11-13 15 min read

A deep dive into the four-tier network architecture — Calico, MacVLAN, SR-IOV Netdevice, and DPDK — enabling sub-10μs packet processing for 5G DU workloads via Multus CNI.

Networking SR-IOV DPDK 5G
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CPU Isolation and Real-Time Performance Tuning

2025-11-13 18 min read

Achieving sub-10μs latency jitter through isolcpus, nohz_full, rcu_nocbs, NUMA topology management, and 40GB hugepages on a 64-core Intel Xeon platform.

Performance Real-Time CPU NUMA
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Defense-in-Depth Security for Telco Edge Platforms

2025-11-13 14 min read

Five security layers — immutable OS, RKE2 CIS Benchmark, Pod Security Standards, network segmentation, and cert-manager — protecting critical telco edge infrastructure.

Security CIS Kubernetes SELinux
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BIOS Tuning for Telco Workloads on Dell PowerEdge XR8620t

2025-11-13 16 min read

Production BIOS settings for the Dell XR8620t: TelcoOptimizedProfile, disabling C-states, IOMMU for SR-IOV/DPDK, NUMA configuration, and hardware prefetcher tuning.

Hardware BIOS Dell PowerEdge Performance
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Kubernetes Testing Strategy for High-Performance Networking

2025-11-13 13 min read

Test manifests and validation procedures for DPDK, SR-IOV, and MacVLAN networking on a telco edge Kubernetes cluster, including resource allocation, troubleshooting, and performance benchmarking.

Testing DPDK SR-IOV Kubernetes
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