Rewiring Cilium: Operator-Driven Scale and Security With C... Shreya Jayaraman & Tamilmani Manoharan

Presenters Shreya Jayaraman Tamilmani Manoharan Source CiliumCon NA 2025 Supercharging Kubernetes Networking: How Cilium Endpoint Slices Conquer Scale! 🚀 Ever felt the pinch of Kubernetes scaling limitations? You’re not alone! Microsoft’s engineering wizards, Tamilmani and Shreya, recently pulled back the curtain on a revolutionary feature that’s transforming Kubernetes networking: Cilium Endpoint Slices. Forget those agonizingly slow pod startups and API server meltdowns. This is the deep dive you need to understand how Cilium Endpoint Slices are not just fixing problems, but paving the way for truly massive Kubernetes clusters. ...

November 24, 2025 · 8 min

Sponsored Keynote: Breaking News from the Cilium News Network - Liz Rice, Isovalent at Cisco

Presenters Liz Rice Source CiliumCon NA 2025 Psyllium Con North America 2025: Unpacking the Future of Cloud-Native Networking, Security, and Observability 🚀 Welcome, tech enthusiasts, to a special edition of our blog, bringing you the hottest news directly from Psyllium Con North America 2025 in Atlanta! This vibrant city, steeped in news reporting history, is our hub this week as we dive deep into the world of cloud-native networking, security, and observability. A massive shout-out to our sponsor, Isovalent, for making this coverage possible! ...

November 24, 2025 · 4 min

Can We Really Parse DNS in eBPF? Improving Cilium ToFQDN With In-kernel Policy Upda... Hemanth Malla

Presenters Hemanth Malla Source CiliumCon NA 2025 Unleashing the Power of eBPF: Cilium’s DNS Parsing Revolution 🚀 Hey tech enthusiasts! Ever found yourself frustrated by network policies that feel a bit… clunky? Especially when dealing with those ever-changing IP addresses tied to domain names? Well, get ready for some exciting news! Hemanth, a rockstar Cilium CNCF maintainer and principal engineer at Microsoft on the Azure container networking team, has just dropped a bombshell: Cilium can now parse DNS directly within eBPF! This isn’t just an incremental update; it’s a leap forward that promises to transform how we handle FQDN (Fully Qualified Domain Name) network policies. ...

November 24, 2025 · 5 min

Containing Wildfires in a Sprawling Multi-Cluster Network... Anmol Krishan Sachdeva & Paras Mamgain

Presenters Anmol Krishan Sachdeva Paras Mamgain Source CiliumCon NA 2025 Building a Digital Fortress: Your Network’s Immune System for Multi-Cluster Meshes 🛡️ In today’s hyper-connected digital world, especially within complex multi-cluster mesh environments, a single compromised pod can quickly escalate from a minor hiccup to a full-blown crisis. Traditional security approaches, often playing catch-up with human intervention, are simply no match for the lightning-fast execution of modern cyberattacks. But what if our networks could defend themselves, proactively and autonomously? That’s the exciting vision Anmol Krishan Sachdeva painted, advocating for the creation of a network immune system. ...

November 24, 2025 · 4 min

Lightning Talk: Taming the BPF LRU: Eliminating TCP Resets in Cilium - Gyu Tae Bae, NAVER Corp.

Presenters Gyu Tae Bae Source CiliumCon NA 2025 Taming the BPF ARU: A Journey to Eliminate TCP Resets in Kubernetes 🚀 Ever experienced the dreaded TCP resets in your Kubernetes cluster, especially after adopting eBPF for network performance? You’re not alone! In this post, we’ll dive deep into a real-world scenario where a seemingly small issue with eBPF’s Address Resolution Unit (ARU) maps led to significant network instability. But fear not, because we’ll also uncover how to diagnose, fix, and even enhance your eBPF network solutions. ...

November 24, 2025 · 5 min