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iQIYI Technical Product Team
iQIYI Technical Product Team
Apr 24, 2025 · Cloud Computing

Hybrid Cloud Anycast DNS Architecture and Implementation at iQIYI

iQIYI replaced its limited private‑cloud DNS by a hybrid‑cloud Anycast solution that uses an Enterprise Router with BGP‑advertised Anycast IPs and GRE tunnels to integrate public‑cloud DNS nodes, delivering unified, elastic domain resolution, rapid failover, and centralized management across IDC and cloud environments.

Anycast DNSBGPEnterprise Router
0 likes · 11 min read
Hybrid Cloud Anycast DNS Architecture and Implementation at iQIYI
DevOps Operations Practice
DevOps Operations Practice
Oct 3, 2024 · Cloud Native

Deploying and Using MetalLB for Load Balancing in Self‑Managed Kubernetes Clusters

This article introduces MetalLB, an open‑source load‑balancing solution for self‑managed Kubernetes clusters, explains its deployment requirements, operating principles, Layer 2 and BGP modes, and provides step‑by‑step installation and verification instructions using Kubernetes manifests, Helm, and Kustomize.

BGPHelmKubernetes
0 likes · 9 min read
Deploying and Using MetalLB for Load Balancing in Self‑Managed Kubernetes Clusters
Zhuanzhuan Tech
Zhuanzhuan Tech
Feb 21, 2024 · Operations

Network Operations Incident Report: BGP Routing Failure and Resolution

This report details a network operations incident where a BGP routing change caused an EBGP neighbor to go idle, outlines the step‑by‑step troubleshooting, analysis of the root cause, and the implemented solution involving a new L3 node and redundant EBGP peers.

BGPCloud NetworkingRouting
0 likes · 8 min read
Network Operations Incident Report: BGP Routing Failure and Resolution
DevOps Operations Practice
DevOps Operations Practice
Feb 11, 2024 · Cloud Native

MetalLB: Deploying a Load Balancer for Self‑Built Kubernetes Clusters

This article introduces MetalLB, explains its deployment requirements, describes its Layer2 and BGP operation modes, provides step‑by‑step installation and configuration instructions for Kubernetes clusters, and demonstrates verification of the load‑balancing functionality.

BGPKubernetesMetalLB
0 likes · 9 min read
MetalLB: Deploying a Load Balancer for Self‑Built Kubernetes Clusters
Architects Research Society
Architects Research Society
Jun 6, 2023 · Cloud Native

Calico Components Overview and Their Roles in Kubernetes

This article provides a detailed overview of Calico's essential and optional components, explaining how each part—such as the API server, Felix, BIRD, confd, Dikastes, CNI plugin, datastore plugin, IPAM plugin, kube‑controllers, Typha, and calicoctl—contributes to networking and network policy enforcement in Kubernetes clusters.

BGPCNICalico
0 likes · 9 min read
Calico Components Overview and Their Roles in Kubernetes
Architecture Digest
Architecture Digest
May 25, 2023 · Operations

Design and Implementation of a Multi‑Layer Load‑Balancing Platform (VGW)

This article explains how to build a reliable, high‑performance load‑balancing platform by analyzing basic reliability requirements, introducing multi‑layer (DNS, L4, L7) balancing, comparing Direct‑Route, Tunnel and FULLNAT modes, and describing the VGW architecture, health‑check, fault isolation, redundancy and DPDK‑based performance optimizations.

BGPDPDKFULLNAT
0 likes · 19 min read
Design and Implementation of a Multi‑Layer Load‑Balancing Platform (VGW)
Architects' Tech Alliance
Architects' Tech Alliance
Apr 10, 2023 · Operations

Common Routing Loop Pitfalls and Mitigation Strategies in Enterprise Networks

This article examines three real‑world routing loop incidents caused by static‑route misconfiguration, missing passive‑interface settings in OSPF, and improper bidirectional redistribution, and provides detailed analysis and practical recommendations to prevent such loops in enterprise network operations.

BGPOSPFRouting
0 likes · 13 min read
Common Routing Loop Pitfalls and Mitigation Strategies in Enterprise Networks
vivo Internet Technology
vivo Internet Technology
Mar 22, 2023 · Operations

Design and Implementation of a Multi‑Layer Load Balancing Platform (VGW)

The article details how a multi‑layer load‑balancing platform (VGW) was designed—combining 7‑layer Nginx, 4‑layer LVS with FULLNAT, and 3‑layer network devices—to achieve business reliability, fault isolation via BGP‑announced VIPs, and high‑throughput performance using DPDK, while providing redundancy at server, link, and cluster levels.

4-layerBGPDPDK
0 likes · 20 min read
Design and Implementation of a Multi‑Layer Load Balancing Platform (VGW)
Bilibili Tech
Bilibili Tech
Dec 30, 2022 · Operations

Self-Developed HTTPDNS Service: Cost Estimation, Architecture, Optimization, and Lessons Learned

To cut the hundreds‑of‑thousands‑yuan monthly bill of a commercial HTTPDNS service, the team built a multi‑region, self‑hosted HTTPDNS platform, estimated to slash costs by up to 90%, then resolved unexpected TLS bandwidth waste by improving connection reuse, ultimately achieving over 80% savings and planning a hybrid‑cloud deployment.

BGPCloud NetworkingCost Optimization
0 likes · 12 min read
Self-Developed HTTPDNS Service: Cost Estimation, Architecture, Optimization, and Lessons Learned
DevOps Operations Practice
DevOps Operations Practice
Aug 2, 2022 · Cloud Native

Deploying MetalLB Load Balancer on Bare‑Metal Kubernetes Clusters

This article explains why exposing services on a bare‑metal Kubernetes cluster requires a custom load‑balancer solution, introduces MetalLB, details its deployment requirements, explains its Layer 2 and BGP modes, provides step‑by‑step installation commands, and shows how to verify the setup.

BGPBareMetalHelm
0 likes · 11 min read
Deploying MetalLB Load Balancer on Bare‑Metal Kubernetes Clusters
Bilibili Tech
Bilibili Tech
Jul 29, 2022 · Cloud Computing

Bilibili Data Center Network Design and Evolution (DCN V1.0 to V3.0)

Bilibili's network team designed and evolved its data‑center fabric from a stacked Layer‑2 V1.0 architecture through an M‑LAG EBGP‑based V2.0 design to a uniform box‑type V3.0 deployment, achieving greater stability, scalability, cost efficiency, and operational simplicity via extensive ARP, LACP, DHCP, hash, and BGP optimizations.

BGPDCNM-LAG
0 likes · 18 min read
Bilibili Data Center Network Design and Evolution (DCN V1.0 to V3.0)
Cloud Native Technology Community
Cloud Native Technology Community
May 25, 2022 · Operations

Automating Public Peering at Facebook: Best Practices and System Design

The article explains how Facebook engineered a scalable, automated public peering management system—replacing manual, error‑prone processes with a workflow that uses a dedicated peering portal, PeeringDB OAuth authentication, and automated BGP session provisioning to improve reliability and save hours each week.

BGPNetwork AutomationPeering
0 likes · 9 min read
Automating Public Peering at Facebook: Best Practices and System Design
Efficient Ops
Efficient Ops
Apr 18, 2022 · Cloud Native

How Kubernetes Enables Seamless Container Networking: From Docker0 to CNI

This article explains how Kubernetes ensures container-to-container communication using network namespaces, veth pairs, bridges like docker0, and advanced CNI plugins such as Flannel and Calico, detailing their underlying Linux networking components, routing mechanisms, and deployment considerations for both intra‑host and inter‑host scenarios.

BGPCNICalico
0 likes · 19 min read
How Kubernetes Enables Seamless Container Networking: From Docker0 to CNI
Qunar Tech Salon
Qunar Tech Salon
Mar 10, 2022 · Operations

Design and Implementation of Cisco Nexus VPC for Qunar K8S Network

This article details the background, design rationale, network topology changes, and step‑by‑step procedures—including VPC configuration, BGP setup, and port‑channel adjustments—used to upgrade Qunar's data‑center network for Kubernetes deployments, with practical code examples and operational tips.

BGPCiscoDataCenter
0 likes · 11 min read
Design and Implementation of Cisco Nexus VPC for Qunar K8S Network
Efficient Ops
Efficient Ops
Oct 10, 2021 · Fundamentals

Why BGP Matters: From Basics to Cloud Routing Explained

This article introduces the Border Gateway Protocol (BGP), explains its role as the core decentralized routing protocol of the Internet, compares it with IGP and EGP, describes why and when BGP is needed in cloud environments, and details its TCP‑based operation, message types, and path‑vector mechanics.

BGPCloud NetworkingTCP
0 likes · 12 min read
Why BGP Matters: From Basics to Cloud Routing Explained
iQIYI Technical Product Team
iQIYI Technical Product Team
Sep 17, 2021 · Cloud Computing

iQIYI Full‑Network Automatic Traffic Scheduling System: Architecture, Implementation, and Performance Evaluation

iQIYI’s SDN‑based full‑network automatic traffic‑scheduling system dynamically balances inter‑ and intra‑province traffic using BGP and policy routing, integrates monitoring, flow collection, DFS backup‑path calculation, and real‑time Kafka/Flink processing, cutting fault‑handling time to minutes and boosting link availability to 99.9999 % while preparing for programmable‑switch and SR‑based extensions.

BGPNetwork AutomationReal-time Monitoring
0 likes · 11 min read
iQIYI Full‑Network Automatic Traffic Scheduling System: Architecture, Implementation, and Performance Evaluation
TAL Education Technology
TAL Education Technology
Jun 10, 2021 · Cloud Native

Designing Large‑Scale Hybrid Cloud Container Networks with Kubernetes

This article explains how to build a high‑performance, 5K‑node hybrid‑cloud container network by reviewing Kubernetes pod and service networking, comparing iptables, IPVS and eBPF implementations, and describing large‑scale overlay, BGP, IPVlan, and NodeLocal DNS solutions.

BGPCiliumContainer Networking
0 likes · 15 min read
Designing Large‑Scale Hybrid Cloud Container Networks with Kubernetes
Ctrip Technology
Ctrip Technology
Nov 19, 2020 · Cloud Native

Deploying Cilium with BGP for Cloud‑Native Networking and Security at Ctrip

This article describes Ctrip's adoption of Cilium with BGP to build a high‑performance, eBPF‑based cloud‑native network, covering the evolution from Neutron+OVS, the BGP peering model, traffic forwarding paths, L4 load‑balancing, security policy implementation, and multi‑cluster integration using ClusterMesh.

BGPCiliumKubernetes
0 likes · 14 min read
Deploying Cilium with BGP for Cloud‑Native Networking and Security at Ctrip