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SDN

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360 Smart Cloud
360 Smart Cloud
Mar 6, 2024 · Cloud Computing

Overlay Networking and Inter‑Node Traffic Forwarding in Virtualized Cloud Environments

This article explains how virtual machine traffic is forwarded across compute nodes in an IAAS cloud using overlay protocols such as VXLAN, detailing L2/L3 inter‑node forwarding, control‑plane designs, and forwarding‑plane implementations with Linux‑Kernel OVS, DPDK, NIC offload, and VDPA.

Cloud IAASOverlaySDN
0 likes · 30 min read
Overlay Networking and Inter‑Node Traffic Forwarding in Virtualized Cloud Environments
DaTaobao Tech
DaTaobao Tech
May 8, 2023 · Mobile Development

Evolution of Taobao's Unified Mobile Network Library (AWCN)

The article traces the evolution of Taobao’s unified mobile network library AWCN, detailing its MobileSDN architecture across north‑bound and south‑bound layers, key techniques such as IP‑list scheduling, adaptive protocol selection, multi‑path request handling and vendor acceleration, the challenges faced, performance gains observed during high‑traffic events, and future plans for finer network sensing and intelligent scheduling.

AndroidHTTP/2Performance
0 likes · 22 min read
Evolution of Taobao's Unified Mobile Network Library (AWCN)
Alibaba Cloud Infrastructure
Alibaba Cloud Infrastructure
Dec 22, 2022 · Cloud Computing

Evolution of Alibaba Cloud’s Fundamental Network Architecture and the Development of AliNOS

The article traces Alibaba Cloud’s large‑scale data‑center network evolution, explains the motivations behind its self‑developed white‑box platforms, details the design and growth of the AliNOS network operating system built on SONiC, and discusses current capabilities and future challenges such as routing, IPv6, SRv6, and endpoint‑network integration.

AliNOSAlibaba CloudCloud Networking
0 likes · 15 min read
Evolution of Alibaba Cloud’s Fundamental Network Architecture and the Development of AliNOS
High Availability Architecture
High Availability Architecture
Dec 2, 2022 · Operations

High‑Availability Design and Implementation of the BIGO Backbone Network

This article explains how BIGO’s backbone network achieves high availability through a three‑layer design—control‑plane HA using ETCD‑based Raft leader election, data‑plane HA with MPLS SR‑Policy and intermediate Route‑Reflection layers, and business‑level HA that combines traffic, optimization, and fault scheduling to ensure seamless service continuity.

High AvailabilityMPLSSDN
0 likes · 19 min read
High‑Availability Design and Implementation of the BIGO Backbone Network
Architects' Tech Alliance
Architects' Tech Alliance
Oct 30, 2022 · Fundamentals

Network Slicing Architecture, Isolation Mechanisms, and Challenges in 5G/6G

The article explains how 5G/6G network slicing virtualizes a physical infrastructure into multiple logical networks with customized topologies and resources, describes the architectural layers, various isolation techniques across access, transport, and core networks, and outlines operational challenges for end‑to‑end slice deployment.

5GSDNTelecommunications
0 likes · 11 min read
Network Slicing Architecture, Isolation Mechanisms, and Challenges in 5G/6G
Cloud Native Technology Community
Cloud Native Technology Community
Sep 15, 2022 · Cloud Native

China Unicom Upgrades Its Cloud‑Native Network Architecture to an OVN + OVS + Smart‑NIC Based SDN Platform

China Unicom’s cloud‑native platform underwent a five‑month, multi‑data‑center upgrade that replaced its legacy virtual network with an OVN‑OVS‑smart‑NIC SDN control plane, delivering advanced scalability, high performance, and zero‑fault online migration for over 1,300 business applications.

China UnicomCloud NativeOVN
0 likes · 7 min read
China Unicom Upgrades Its Cloud‑Native Network Architecture to an OVN + OVS + Smart‑NIC Based SDN Platform
Architects' Tech Alliance
Architects' Tech Alliance
Apr 23, 2022 · Cloud Computing

Understanding VXLAN: Architecture, Benefits, and Comparison with Other Overlay Technologies

This article provides a comprehensive overview of VXLAN, explaining its purpose, architecture, frame format, VTEP implementations, and advantages over VLAN, Q‑in‑Q, MPLS, and other overlay protocols, while also discussing control‑plane options such as BGP EVPN and SDN automation for modern data‑center networks.

BGP EVPNDPUNetwork Virtualization
0 likes · 14 min read
Understanding VXLAN: Architecture, Benefits, and Comparison with Other Overlay Technologies
Cloud Native Technology Community
Cloud Native Technology Community
Jan 5, 2022 · Operations

Understanding Open vSwitch Flow Tables: Concepts, Match Fields, Actions, and Practical Commands

This article, the second part of the “Open vSwitch Full Analysis” series, explains the structure and operation of OVS flow tables, detailing match fields, actions, priorities, timeouts, and provides practical ovs‑ofctl command examples for configuring flows, VLANs, and tunnels such as VXLAN and GRE.

Flow TableGREOpen vSwitch
0 likes · 16 min read
Understanding Open vSwitch Flow Tables: Concepts, Match Fields, Actions, and Practical Commands
Architects' Tech Alliance
Architects' Tech Alliance
Dec 28, 2021 · Fundamentals

Understanding White‑Box Switches: Definitions, Market Realities, and Ecosystem

This article explains what white‑box (white‑label) switches are, outlines their three architectural tiers, discusses the gap between ideal expectations and practical challenges, analyzes their advantages, ecosystem players, customer segments, and the influence of SDN on their adoption.

SDNchip ecosystemdata center
0 likes · 24 min read
Understanding White‑Box Switches: Definitions, Market Realities, and Ecosystem
Architects' Tech Alliance
Architects' Tech Alliance
Dec 8, 2021 · Cloud Computing

Future Network Architecture and Emerging Data Center Technologies in the New Infrastructure Era

The article examines the concept of "new infrastructure" in China, outlines the evolution of the Internet toward a third generation, discusses candidate future network architectures such as SDN, CCN, and XIA, and reviews emerging data‑center networking technologies like large‑scale L2, VXLAN, virtual switching, and large‑scale switching, highlighting their role in supporting AI, big data, and cloud computing workloads.

AIBig DataSDN
0 likes · 12 min read
Future Network Architecture and Emerging Data Center Technologies in the New Infrastructure Era
Architects' Tech Alliance
Architects' Tech Alliance
Dec 3, 2021 · Fundamentals

White‑Box Switch Technology: Architecture, Evolution, and Key Techniques

This article reviews the development, open‑source ecosystem, and key technologies of white‑box switches, highlighting their hardware‑software decoupling, programmable networking, hardware acceleration, security considerations, and architectural layers, and discusses future trends and challenges in modern network infrastructure.

Network VirtualizationOpen NetworkingSDN
0 likes · 14 min read
White‑Box Switch Technology: Architecture, Evolution, and Key Techniques
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
Architects' Tech Alliance
Architects' Tech Alliance
Jul 30, 2021 · Fundamentals

White-Box Switches: Development, Architecture, and Future Trends

The article provides a comprehensive overview of white‑box switches, covering their rapid evolution over the past three decades, open‑source ecosystems, hardware‑software decoupling, programmable networking, hardware acceleration, security challenges, and emerging trends shaping future network architectures.

Network ProgrammabilityNetwork SecurityOpen Networking
0 likes · 13 min read
White-Box Switches: Development, Architecture, and Future Trends
Architects' Tech Alliance
Architects' Tech Alliance
Jun 23, 2021 · Cloud Native

White‑Box Switches: Evolution, Architecture, and Key Technologies

This article provides a comprehensive overview of white‑box switches, tracing their development history, describing open‑source and industry ecosystems, and detailing key technologies such as hardware‑software decoupling, programmable data planes, hardware acceleration, and security considerations for modern cloud‑native networks.

Cloud NativeNetwork ProgrammabilityOpen Networking
0 likes · 13 min read
White‑Box Switches: Evolution, Architecture, and Key Technologies
Cloud Native Technology Community
Cloud Native Technology Community
Jan 28, 2021 · Cloud Native

Kube-OVN Joins CNCF Sandbox: Advancing Cloud‑Native Container Networking

Kube‑OVN, the enterprise‑grade Kubernetes container networking solution developed by Lingque Cloud, has been accepted into the CNCF Sandbox, marking the first CNCF‑hosted open‑source CNI project and highlighting its SDN‑based features, security enhancements, and growing adoption by major enterprises.

CNCFCloud NativeContainer Networking
0 likes · 7 min read
Kube-OVN Joins CNCF Sandbox: Advancing Cloud‑Native Container Networking
Architects' Tech Alliance
Architects' Tech Alliance
Jan 5, 2021 · Operations

Understanding Data Centers: Architecture, Technologies, and Operational Considerations

This article explains what data centers are, outlines their core components—compute, storage, and networking—covers architectural decisions, industry standards, and emerging technologies such as edge computing, micro‑data centers, cloud integration, SDN, HCI, containers, NVMe, and GPU acceleration, highlighting their impact on modern enterprise operations.

GPUHCIOperations
0 likes · 11 min read
Understanding Data Centers: Architecture, Technologies, and Operational Considerations
Architects' Tech Alliance
Architects' Tech Alliance
May 31, 2020 · Operations

White‑Box Switches: Definitions, Market Realities, Advantages, Ecosystem and Practical Guidance

The article provides a comprehensive technical overview of white‑box (white‑box) switches, explaining their ambiguous definition, three implementation models, the gap between ideal expectations and practical constraints, their cost and customization benefits, the current ecosystem, key customer segments, the influence of SDN, and actionable advice for selecting the right solution.

SDNdata centernetwork ecosystem
0 likes · 23 min read
White‑Box Switches: Definitions, Market Realities, Advantages, Ecosystem and Practical Guidance
360 Tech Engineering
360 Tech Engineering
Apr 26, 2020 · Cloud Native

Understanding Service Function Chain (SFC) and the OpenStack networking‑sfc Project

This article explains the concept of Service Function Chain (SFC), its role in SDN and cloud‑native environments, and details how the OpenStack networking‑sfc project implements SFC through ports, port pairs, port chains, service graphs, and various deployment modes such as chain, tap, and load‑balancing.

Cloud NativeOpenStackSDN
0 likes · 7 min read
Understanding Service Function Chain (SFC) and the OpenStack networking‑sfc Project
360 Zhihui Cloud Developer
360 Zhihui Cloud Developer
Apr 23, 2020 · Cloud Computing

Mastering Service Function Chaining in OpenStack: A Deep Dive into networking‑sfc

This article explains Service Function Chaining (SFC), its role in SDN, the architecture defined by RFC 7665 and RFC 8300, and how OpenStack’s networking‑sfc project implements SFC through concepts such as port pairs, port pair groups, port chains, service graphs, and various forwarding modes.

NetworkingOpenStackSDN
0 likes · 6 min read
Mastering Service Function Chaining in OpenStack: A Deep Dive into networking‑sfc
Cloud Native Technology Community
Cloud Native Technology Community
Mar 31, 2020 · Cloud Computing

Google’s Andromeda Network Architecture: Design Goals, Control Plane, and Data Plane

The article reviews Google’s Andromeda network system presented at NSDI 2018, detailing its large‑scale design goals, a hybrid control‑plane model, high‑performance software data‑plane optimizations, hot‑cold flow separation, and rapid weekly updates that enable pure‑software SDN at cloud scale.

AndromedaCloud NetworkingControl Plane
0 likes · 12 min read
Google’s Andromeda Network Architecture: Design Goals, Control Plane, and Data Plane