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Dec 5, 2024 · Cloud Native

Why Does Containerization Slow Down Your App? A Deep Dive into Performance Loss and Network Optimizations

Although containerization brings agility and resource efficiency, this article reveals that moving an application from a VM to Kubernetes containers can increase latency by 25% and reduce QPS by 29%, analyzes the root cause in network soft‑interrupt overhead, and proposes optimizations such as ipvlan, macvlan, and Cilium.

CiliumNetworkingcloud-native

0 likes · 8 min read

Why Does Containerization Slow Down Your App? A Deep Dive into Performance Loss and Network Optimizations

Efficient Ops

Dec 2, 2024 · Cloud Native

Why Does Containerization Slow Down Your App? A Deep Dive into K8s Networking Performance

This article investigates why moving applications from virtual machines to containers on Kubernetes can degrade performance, presents benchmark comparisons, analyzes the impact of network architecture and soft interrupts, and proposes optimization strategies such as ipvlan and Cilium to restore efficiency.

CNICiliumKubernetes

0 likes · 8 min read

Why Does Containerization Slow Down Your App? A Deep Dive into K8s Networking Performance

Selected Java Interview Questions

Nov 8, 2024 · Cloud Native

Performance Degradation After Containerization: Analysis and Optimization Strategies

The article examines why applications experience slower performance after being containerized on Kubernetes, presenting benchmark comparisons, analyzing increased soft‑interrupt overhead due to the Calico ipip overlay, and proposing network optimizations such as ipvlan modes and Cilium to restore efficiency.

CiliumKubernetesSoft Interrupts

0 likes · 7 min read

Performance Degradation After Containerization: Analysis and Optimization Strategies

360 Zhihui Cloud Developer

Aug 16, 2024 · Cloud Native

How We Built a Scalable Container VPC Network with ipvlan and Custom IPAM

This article details the design, implementation, and production rollout of a container VPC solution that leverages ipvlan for CNI, a custom IPAM integration with OpenStack/Ultron, and extensive operational fixes to achieve reliable, high‑performance networking for Kubernetes workloads across multiple clusters.

CNIIPAMKubernetes

0 likes · 15 min read

How We Built a Scalable Container VPC Network with ipvlan and Custom IPAM

360 Smart Cloud

Mar 15, 2024 · Cloud Computing

Integrating Kubernetes Pods with OpenStack VPC Network Using a Custom CNI and IPVLAN

This article describes how 360 unified Kubernetes pod networking with OpenStack VPC by developing a custom CNI plugin that leverages Neutron elastic ports, IPVLAN L2 mode, and OVS to achieve layer‑2 connectivity between VMs and pods, including detailed implementation steps and command examples.

CNIKubernetesOpenStack

0 likes · 8 min read

Integrating Kubernetes Pods with OpenStack VPC Network Using a Custom CNI and IPVLAN

Architect's Guide

Jan 11, 2024 · Cloud Native

Performance Degradation After Containerization: Analysis and Optimization Strategies

The article investigates why applications experience higher latency and lower QPS after moving from virtual machines to Kubernetes containers, analyzes the root causes such as increased soft‑interrupts caused by the networking stack, and proposes optimizations like ipvlan, macvlan, and Cilium to restore performance.

CiliumKubernetesNetworking

0 likes · 9 min read

Selected Java Interview Questions

Jul 16, 2023 · Cloud Native

Kubernetes Network Models: Underlay, Overlay, CNI Plugins, and Virtual Networking Techniques

This article examines Kubernetes networking by defining underlay and overlay models, describing how underlay networks like flannel host‑gw and Calico BGP operate, explaining IPVLAN/MACVLAN virtualization, and reviewing common tunnel protocols such as VxLAN and IPIP used by various CNI plugins.

CNIKubernetesNetwork Model

0 likes · 12 min read

Kubernetes Network Models: Underlay, Overlay, CNI Plugins, and Virtual Networking Techniques

Architects Research Society

Feb 29, 2020 · Cloud Native

Performance Comparison of Kubernetes Container Network Solutions: Flannel, IPvlan, VXLAN, Host‑GW, and AWS‑VPC

This study evaluates Kubernetes container networking options—Docker host networking, Flannel, IPvlan, VXLAN, host‑gw, and AWS‑VPC—by measuring latency, throughput, and installation cost under high‑load conditions, revealing IPvlan as the lowest‑latency, highest‑throughput solution while host‑gw offers a balanced, low‑dependency alternative.

Cloud NativeFlannelKubernetes

0 likes · 13 min read

Performance Comparison of Kubernetes Container Network Solutions: Flannel, IPvlan, VXLAN, Host‑GW, and AWS‑VPC