[{"title":"Bridging Worlds","description":"High-Performance Telco Networking in Kubernetes with SR-IOV, DRA, and NRI","permalink":"https://sebasblog.com/p/bridging-worlds/","date":"Oct 12, 2025","tags":["kubernetes","networking"],"categories":["cloud native","networking"],"contents":"Bridging Worlds: High-Performance Telco Networking in Kubernetes with SR-IOV, DRA, and NRI The Telco Imperative: Why Bare-Metal Speed Matters in a Virtualized World The telecommunications industry is undergoing a profound transformation, driven by the shift from proprietary, hardware-centric appliances to flexible, software-based solutions running on standard IT servers. This paradigm, known as Network Functions Virtualization (NFV), promises unprecedented agility, scalability, and cost …"},{"title":"Beyond eth0","description":"A Deep Dive into Kubernetes Multi-Network Pods with Multus CNI","permalink":"https://sebasblog.com/p/beyond-eth0/","date":"Oct 04, 2025","tags":["kubernetes","networking"],"categories":["cloud native","networking"],"contents":"Beyond eth0: A Deep Dive into Kubernetes Multi-Network Pods with Multus CNI The Kubernetes Network Model: A Foundation of Simplicity and its Limitations At the heart of Kubernetes\u0026amp;rsquo; design is a networking model that is both powerful in its simplicity and opinionated in its structure. This model was created to solve the complex networking challenges inherent in running distributed systems across a cluster of machines. To truly grasp the need for advanced solutions like Multus, one must first …"},{"title":"Unlocking AI at Scale","description":"A Deep Dive into RDMA, InfiniBand, and RoCE with NVIDIA Mellanox","permalink":"https://sebasblog.com/p/unlocking-ai-at-scale/","date":"Aug 24, 2025","tags":["networking","SR-IOV","NVIDIA","RDMA"],"categories":["AI","Networking"],"contents":"Unlocking AI at Scale: A Deep Dive into RDMA, InfiniBand, and RoCE with NVIDIA Mellanox The exponential growth in the scale and complexity of artificial intelligence models, particularly Large Language Models (LLMs), has created an unprecedented communication bottleneck in distributed computing systems. As these models expand beyond the memory capacity of a single GPU or even a single server, they necessitate multi-node clusters where efficient inter-node communication is paramount. In this …"},{"title":"The Ultimate Guide to tmux: Supercharge Your Terminal Productivity","description":"Introduction: The Ultimate Guide to tmux - This guide will serve as a comprehensive journey into the world of tmux","permalink":"https://sebasblog.com/p/the-ultimate-guide-to-tmux-supercharge-your-terminal-productivity/","date":"Jul 07, 2025","tags":["linux","terminal"],"categories":["linux"],"contents":"The Ultimate Guide to tmux: Supercharge Your Terminal Productivity Introduction: Taming Terminal Chaos For any professional who lives in the command line—be it a software developer, a DevOps engineer, or a system administrator—the terminal is both a sanctuary and a potential source of chaos. A typical workflow might involve a dozen terminal tabs: one running a local web server, another for the front-end build process, a third for a database console, and several more for various microservices. …"},{"title":"Unleashing Bare-Metal Performance in Kubernetes","description":"Introduction: Beyond Standard Kubernetes Networking - A Technical Deep Dive into the SR-IOV Network Operator","permalink":"https://sebasblog.com/p/unleashing-bare-metal-performance-in-kubernetes/","date":"Jun 29, 2025","tags":["kubernetes","networking","SR-IOV","kubernetes-operators"],"categories":["cloud native"],"contents":"Unleashing Bare-Metal Performance in Kubernetes: A Technical Deep Dive into the SR-IOV Network Operator I. Introduction: Beyond Standard Kubernetes Networking Standard Kubernetes networking, a cornerstone of its flexibility and portability, is primarily designed for general-purpose connectivity. It typically relies on software-based overlay networks, such as those using VXLAN, and kernel-level packet processing. While this model excels at providing seamless pod-to-pod communication and service …"}]