How Terway Implements Elastic ENI and Advanced CNI Designs for Kubernetes

This article explains the fundamentals of Container Network Interface (CNI), outlines common plugin implementations, and dives deep into Alibaba Cloud's Terway solution, detailing its elastic ENI support, Vethpair and ipvlan modes, resource management, scheduling, network policy integration, and future enhancements such as eBPF.

CNICloud NativeENI

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How Terway Implements Elastic ENI and Advanced CNI Designs for Kubernetes

System Architect Go

Mar 26, 2023 · Cloud Computing

Resolving IP Address Exhaustion and Pod Limits in Amazon EKS with AWS‑CNI

This article explains why EKS clusters can run out of pod IP addresses or have low pod density per node, describes how AWS ENI and address‑prefix features affect IP allocation, and provides practical steps such as secondary CIDR allocation and subnet reservation to overcome these limits.

AWS-CNIEKSENI

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Resolving IP Address Exhaustion and Pod Limits in Amazon EKS with AWS‑CNI

Alibaba Cloud Native

Jun 2, 2020 · Cloud Native

Why Kubernetes Deployments Cause Service Outages and How to Prevent Them

This article explains why a typical Deployment + LoadBalancer setup can experience downtime during updates, analyzes the pod lifecycle, endpoint synchronization, iptables/ipvs and SLB interactions, and provides concrete configuration steps—including readiness probes, preStop hooks, and Service traffic policies—to achieve zero‑downtime deployments.

Cluster ModeDeploymentENI

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Why Kubernetes Deployments Cause Service Outages and How to Prevent Them