Architecture Decision Guide
Covers the six design decisions to finalize when adopting EKS Hybrid Nodes — hybrid connectivity, cluster topology, Pod CIDR exposure, CNI and routing, node authentication, and workload exposure — with decision criteria and inter-decision dependencies.
AWS Nitro Architecture and Performance Tuning
AWS Nitro System components, per-generation (v2–v6) networking changes, ENA driver/kernel requirements on EKS nodes, and PPS/CPS-focused performance tuning strategies
CIDR Design and Range Minimization
IP range design best practices for EKS Hybrid Nodes — routing requirement assessment procedure, VPC minimum sizing rationale, dedicated control plane ENI subnet strategy, proactive Pod CIDR allocation, and multi-environment address planning.
Cilium ENI Mode + Gateway API Deep-dive Configuration
Cilium ENI mode architecture, Gateway API resource configuration, performance optimization, Hubble observability, BGP Control Plane v2 deep-dive guide
CNI Configuration and Pod CIDR Routing
CNI selection criteria and core Cilium configuration for EKS Hybrid Nodes — hybrid-node-only affinity, cluster-pool IPAM, choosing a Pod CIDR routing method (BGP, static, Gateway), and the Cilium BGP Control Plane configuration procedure.
East-West Traffic Optimization: Balancing Performance and Cost
Deep optimization strategies for minimizing inter-service communication latency and reducing cross-AZ costs in EKS. Covers Topology Aware Routing, InternalTrafficPolicy, Cilium ClusterMesh, AWS VPC Lattice, and Istio multi-cluster
EKS Best Practices
Comprehensive guide for Amazon EKS production operations covering networking, Control Plane, security, cost optimization, and more
EKS Hybrid Nodes Concepts and How They Work
Covers Amazon EKS Hybrid Nodes from definition, use cases, and pricing model to the nodeadm registration flow, RemoteNodeNetwork/RemotePodNetwork networking structure, traffic flows, and key technical characteristics.
EKS Multi-Cluster East-West Communication — Is Istio Still the Right Choice?
Compares Istio multi-cluster, Cilium ClusterMesh, and Amazon VPC Lattice architectures for East-West (service-to-service) communication across EKS clusters along four axes — functionality, stability, operability, and cost — with guidance on which environment suits each and a migration path from Istio
EKS Service Mesh Comparison Guide — Istio, Cilium, Linkerd, VPC Lattice
Compares data plane architecture, mTLS, L7 policy, observability, performance overhead, and operational complexity of major service mesh solutions on EKS, with workload-specific selection criteria
Feature Implementation Cookbook: 6 Gateway API Implementations
Reference for implementing authentication, rate limiting, IP control, URL rewrite, header manipulation, session affinity, body size limits, and custom error pages as YAML across AWS LBC, Cilium, NGINX GF, Envoy Gateway, and kGateway
Firewall/DNS Pre-Registration and TGW Topology
Covers a 5-zone pre-registration rule table to submit to firewall and network teams when adopting EKS Hybrid Nodes, handling environments without FQDN wildcard support, Transit Gateway topology, and on-premises LB path design.
Gateway API Adoption Guide: From NGINX Ingress to Next-Generation Traffic Management
NGINX Ingress Controller EOL response, tiered gateways for agentic workloads, Gateway API architecture, GAMMA Initiative, AWS Native vs open source solution comparison (AWS LBC, Cilium, NGINX Gateway Fabric, Envoy Gateway, kGateway, Kong), Cilium ENI integration, migration strategy and benchmark plans
Hybrid GPU Workloads and SR-IOV Networking
A hands-on guide to using on-premises GPU nodes as the primary inference tier on EKS Hybrid Nodes, and resolving DGX H200 SR-IOV VF name inconsistency through driver compatibility, persistent naming, and systemd orchestration
Hybrid Nodes Gateway Deployment and Operations
Covers the full lifecycle of the Amazon EKS Hybrid Nodes Gateway, from its operating mechanism through Cilium VTEP reconfiguration, Helm installation, instance sizing, failover, monitoring, and removal.
Load Balancing and Service Exposure
Designing external exposure for EKS Hybrid Nodes workloads — the traffic-origin-based NLB vs Cilium built-in LB decision principle, AWS Load Balancer Controller configuration requirements, Cilium LB IPAM and BGP advertisement, and community options such as MetalLB.
Networking
EKS Hybrid Nodes networking best practices — covers CIDR design and address-range minimization, CNI configuration and Pod CIDR routing, building and operating the Hybrid Nodes Gateway, load balancing and service exposure, firewall pre-registration, and TGW topology.
Networking & Performance Optimization
Best practices for DNS optimization, East-West traffic, and Gateway API adoption in EKS environments
Networking Debugging
Guide to diagnosing EKS networking issues - VPC CNI, DNS, Service, NetworkPolicy
Private Air-gapped VPC Endpoint Design
VPC endpoint design for operating EKS Hybrid Nodes in a private air-gapped network with no internet access — covers Private API endpoint mode, per-purpose interface endpoint mapping, the S3 Gateway endpoint, and the on-premises DNS resolution path.
Tiered Gateway Architecture
Single definition of the Agentic AI Platform gateway layers: Tier 1 Ingress, Tier 2 Inference Routing (Inference Extension) and LLM API Gateway, and the Agent Data Plane — their role separation and how to fill each layer
VPC CNI vs Cilium CNI Performance Comparison Benchmark
A benchmark report comparing network and application performance of VPC CNI and Cilium CNI across 5 scenarios (kube-proxy, kube-proxy-less, ENI, tuning) in an EKS environment
VPC CNI 동작 원리: 데이터패스·IPAM·NetworkPolicy
Amazon VPC CNI의 내부 동작을 세 축으로 해부합니다. L3 routed mode 데이터패스(veth·ip rule·169.254.1.1), ipamd의 warm pool·Prefix Delegation·IP 쿨다운 알고리즘, eBPF 기반 NetworkPolicy 아키텍처