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Alibaba Cloud Infrastructure
Alibaba Cloud Infrastructure
Nov 10, 2025 · Cloud Native

Koordinator v1.7.0 Brings Network‑Aware Scheduling and Job‑Level Preemption for AI Workloads

Koordinator v1.7.0, the open‑source Kubernetes scheduler, adds network‑topology‑aware scheduling, job‑level preemption, and support for Ascend NPU and Cambricon MLU, delivering unified heterogeneous device management, enhanced GPU sharing, comprehensive API documentation, and best‑practice guides to improve large‑scale AI training efficiency and cluster operations.

AI trainingHeterogeneous DevicesJob Preemption
0 likes · 17 min read
Koordinator v1.7.0 Brings Network‑Aware Scheduling and Job‑Level Preemption for AI Workloads
Architects' Tech Alliance
Architects' Tech Alliance
Sep 28, 2025 · Artificial Intelligence

How AI Workloads Are Redefining Network Architecture: Key Requirements and Topologies

The article examines how the rapid growth of AI models and workloads is reshaping network design, highlighting the need for ultra‑high bandwidth, sub‑millisecond latency, reliability, scalable topologies like Fat‑Tree and Dragonfly, and robust security and QoS mechanisms across data‑center, cloud, and edge environments.

AI networkingData centerDistributed Training
0 likes · 11 min read
How AI Workloads Are Redefining Network Architecture: Key Requirements and Topologies
IT Architects Alliance
IT Architects Alliance
Sep 17, 2025 · Artificial Intelligence

How Distributed Scheduling Redefines AI Large-Model Training Architecture

The article examines how the explosive compute, storage, network, and fault‑tolerance demands of AI large‑model training force a fundamental redesign of system architecture, covering layered storage, optimized All‑Reduce communication, elastic resource orchestration, observability, and cost‑saving strategies.

AI ArchitectureCompute SchedulingCost Optimization
0 likes · 9 min read
How Distributed Scheduling Redefines AI Large-Model Training Architecture
Architects' Tech Alliance
Architects' Tech Alliance
May 12, 2025 · Artificial Intelligence

Comparison of Fat-Tree, Dragonfly, and Torus Network Topologies for AI and High‑Performance Computing

The article reviews Fat‑Tree, Dragonfly, and Torus network topologies, analyzing their bandwidth, scalability, latency, routing algorithms, and cost trade‑offs for AI‑driven high‑performance computing clusters, and highlights each design's strengths and limitations in large‑scale deployments.

AI computingDragonflyFat-Tree
0 likes · 12 min read
Comparison of Fat-Tree, Dragonfly, and Torus Network Topologies for AI and High‑Performance Computing
Liangxu Linux
Liangxu Linux
Apr 5, 2025 · Fundamentals

Essential Networking Q&A: From OSI Layers to VPN and Security Basics

This comprehensive Q&A covers fundamental networking concepts, including link types, OSI model layers, backbone networks, LANs, routers, protocols, topologies, security measures, IP addressing, and common troubleshooting techniques, providing clear explanations for each topic.

IP addressingNetworkingOSI model
0 likes · 22 min read
Essential Networking Q&A: From OSI Layers to VPN and Security Basics
Architects' Tech Alliance
Architects' Tech Alliance
Jan 7, 2025 · Fundamentals

Fundamentals of Computer Networks: Definitions, Classifications, and Topologies

This article introduces the basic concepts of computer networks—including definitions, components, classifications, OSI/TCP‑IP models, and common topologies—while also offering a collection of downloadable resources and links to related technical articles and promotional material for a comprehensive architecture knowledge pack.

Computer NetworksOSI modelTCP/IP
0 likes · 5 min read
Fundamentals of Computer Networks: Definitions, Classifications, and Topologies
Open Source Linux
Open Source Linux
Jul 23, 2024 · Fundamentals

Why Fat-Tree, Dragonfly, and Torus Topologies Dominate High‑Performance Computing Networks

High‑performance computing demands ultra‑low latency and massive scale, prompting a shift from traditional CLOS designs to alternative topologies such as Fat‑Tree, Dragonfly, and Torus, each offering distinct trade‑offs in bandwidth, scalability, routing complexity, and cost‑effectiveness for modern data‑center and HPC environments.

DragonflyFat-TreeHigh‑performance computing
0 likes · 10 min read
Why Fat-Tree, Dragonfly, and Torus Topologies Dominate High‑Performance Computing Networks
Architects' Tech Alliance
Architects' Tech Alliance
Jul 1, 2024 · Industry Insights

Why Fat-Tree, Dragonfly, and Torus Topologies Matter for HPC Networks

The article analyzes three major high‑performance‑computing network topologies—Fat‑Tree, Dragonfly, and Torus—detailing their design principles, scalability formulas, routing strategies, advantages, and limitations to help architects choose the most suitable architecture for large‑scale GPU clusters.

DragonflyFat-TreeGPU clusters
0 likes · 13 min read
Why Fat-Tree, Dragonfly, and Torus Topologies Matter for HPC Networks
Linux Cloud Computing Practice
Linux Cloud Computing Practice
Apr 4, 2024 · Fundamentals

Essential Networking Q&A: 100 Key Concepts Explained

This article provides concise explanations for 100 fundamental networking questions, covering links, OSI layers, backbone networks, LAN, nodes, routers, point‑to‑point links, anonymous FTP, subnet masks, UTP cable limits, data encapsulation, network topologies, VPN, NAT, routing, fault tolerance, cable standards, IP classes, routing protocols, security measures, NICs, WAN, physical layer, TCP/IP layers, proxy servers, session layer, clustering, antivirus placement, Ethernet, ring topology, CSMA/CD vs CSMA/CA, SMTP, multicast routing, encryption, IP address formatting, authentication, tunnel mode, WAN link technologies, mesh topology, hardware troubleshooting, signal attenuation, DHCP, network permissions, VLANs, IPv6, RSA, and more.

IP addressingNetworkingOSI model
0 likes · 30 min read
Essential Networking Q&A: 100 Key Concepts Explained
Architects' Tech Alliance
Architects' Tech Alliance
Mar 25, 2024 · Industry Insights

Why Fat-Tree, Dragonfly, and Torus Topologies Matter in HPC Networks

The article examines the challenges of ultra‑large‑scale HPC networking, compares traditional CLOS with Fat‑Tree, Dragonfly, and Torus topologies, explains their bandwidth and latency characteristics, presents scalability formulas, and evaluates routing algorithms and practical trade‑offs for each design.

Data centerDragonflyHigh‑performance computing
0 likes · 14 min read
Why Fat-Tree, Dragonfly, and Torus Topologies Matter in HPC Networks
Liangxu Linux
Liangxu Linux
Jul 16, 2023 · Fundamentals

Essential Networking Q&A: 100+ Key Concepts Explained

This comprehensive guide answers over one hundred fundamental networking questions, covering links, OSI layers, devices, protocols, topologies, security measures, addressing schemes, cabling standards, and advanced topics such as VPNs, DHCP, IPv6, and encryption, providing clear definitions and practical insights for anyone studying computer networks.

LANNetworkingOSI model
0 likes · 22 min read
Essential Networking Q&A: 100+ Key Concepts Explained
Open Source Linux
Open Source Linux
Apr 26, 2023 · Fundamentals

Top 7 Free Online Diagramming Tools for Network Engineers

Discover seven powerful, lightweight online diagramming tools—including Zen Flowchart, Excalidraw, draw.io, xGraph, ProcessOn, Liuchengtu, and Nutstore Drawing—that require no installation, support real‑time collaboration, and cover flowcharts, mind maps, network topologies, and more.

CollaborationFlowchartFree Software
0 likes · 6 min read
Top 7 Free Online Diagramming Tools for Network Engineers
Architects' Tech Alliance
Architects' Tech Alliance
Mar 20, 2023 · Fundamentals

Dragonfly Network Topology and Routing Algorithms for High‑Performance Data Centers

The article explains the Dragonfly network topology, its hierarchical structure, key parameters, routing algorithms (Minimal, Non‑Minimal, UGAL variants) and deadlock avoidance techniques, highlighting how modern data‑center networks address latency bottlenecks in high‑performance computing environments.

Data centerDragonflyHigh‑Performance Computing
0 likes · 9 min read
Dragonfly Network Topology and Routing Algorithms for High‑Performance Data Centers
Liangxu Linux
Liangxu Linux
Oct 29, 2022 · Fundamentals

Essential Networking Fundamentals: 100+ Q&A on OSI Model, Protocols, and Devices

This comprehensive Q&A guide covers over one hundred essential networking concepts, including definitions of links, OSI layers, backbone, LAN, nodes, routers, protocols, topologies, security measures, IP addressing, and many other fundamentals needed to understand and manage computer networks.

NetworkingOSI modelProtocols
0 likes · 23 min read
Essential Networking Fundamentals: 100+ Q&A on OSI Model, Protocols, and Devices
Architects' Tech Alliance
Architects' Tech Alliance
Jun 1, 2022 · Fundamentals

Understanding Switch Stacking: Benefits, Supported Devices, and Configuration Process

Switch stacking connects multiple compatible switches via stacking cables to form a single logical device, enhancing reliability, expanding port count, increasing bandwidth, simplifying network topology, supporting long‑distance stacking, and reducing maintenance, with details on supported Huawei devices, roles, IDs, priorities, and the step‑by‑step setup process.

Network Reliabilitybandwidth scalingnetwork topology
0 likes · 10 min read
Understanding Switch Stacking: Benefits, Supported Devices, and Configuration Process
IT Architects Alliance
IT Architects Alliance
Apr 24, 2022 · Fundamentals

Fundamentals of IoT, Edge Computing, and Network Topology

This article introduces the Internet of Things (IoT) concept, its historical milestones, the four‑layer IoT architecture, explains edge computing and its layered model, and describes common network topologies such as star, ring, bus, and mesh, illustrating each with diagrams.

Edge ComputingIoTTechnology Fundamentals
0 likes · 8 min read
Fundamentals of IoT, Edge Computing, and Network Topology
Architects' Tech Alliance
Architects' Tech Alliance
Sep 7, 2021 · Fundamentals

Understanding Fat-Tree (CLOS) Network Architecture for Data Centers

The article explains the Fat-Tree (CLOS) network topology introduced in 2008, describing its non‑convergent bandwidth design, three‑layer structure, practical benefits, common configurations, and limitations, while also providing references and visual illustrations of the architecture.

CLOSData Center NetworkFat-Tree
0 likes · 7 min read
Understanding Fat-Tree (CLOS) Network Architecture for Data Centers
Architects' Tech Alliance
Architects' Tech Alliance
Mar 11, 2019 · Fundamentals

Understanding Mellanox InfiniBand Technology and Its Role in High‑Performance Computing

The article explains Nvidia's $6.9 billion acquisition of Mellanox, outlines Mellanox's history and product portfolio, and provides a detailed overview of InfiniBand architecture, network topologies, protocols, and related software stacks such as OFED, highlighting their importance for data‑center, HPC, and cloud environments.

Data centerHigh‑Performance ComputingInfiniBand
0 likes · 14 min read
Understanding Mellanox InfiniBand Technology and Its Role in High‑Performance Computing
Programmer DD
Programmer DD
Nov 18, 2018 · Databases

How We Optimized HBase for 80 Billion Daily Logs: Real‑World Tuning Strategies

This article details the practical performance‑tuning steps applied to a large‑scale HBase deployment handling 80 billion daily log entries, covering rowkey redesign, region redistribution, HDFS write‑timeout fixes, network‑topology adjustments, and JVM parameter tweaks that together stabilized the system and dramatically improved throughput.

HBaseHDFSRegion Redistribution
0 likes · 14 min read
How We Optimized HBase for 80 Billion Daily Logs: Real‑World Tuning Strategies
Architects' Tech Alliance
Architects' Tech Alliance
Sep 19, 2017 · Industry Insights

Unlocking Dual‑Active Storage: Inside HDS’s HAM and GAD High‑Availability Architecture

This article explains HDS’s High Availability Manager (HAM) and Global Active Device (GAD) technologies, detailing how they virtualize mirrored LUNs, use TrueCopy replication, arbitration mechanisms, and various network topologies to provide seamless active‑active storage, support for NAS, and flexible clustering across data centers.

GADHAMHDS
0 likes · 11 min read
Unlocking Dual‑Active Storage: Inside HDS’s HAM and GAD High‑Availability Architecture
Huawei Cloud Developer Alliance
Huawei Cloud Developer Alliance
Sep 13, 2017 · Operations

How NB‑IoT Transformed Road Parking: A Real‑World Case Study

This case study details how Shenzhen Fangger Technology leveraged Huawei NB‑IoT technology to replace traditional solar‑powered relay gateways with direct NB‑IoT communication, solving power, installation, and interference issues while reducing costs and environmental impact in smart road parking solutions.

Case StudyIoTNB-IoT
0 likes · 5 min read
How NB‑IoT Transformed Road Parking: A Real‑World Case Study
MaGe Linux Operations
MaGe Linux Operations
Aug 4, 2017 · Operations

Build a Secure LAN with iptables NAT and DHCP on CentOS

This guide walks through setting up a LAN with a static‑IP server, configuring iptables firewall rules, enabling NAT and port forwarding, and deploying a DHCP server on CentOS, complete with sample configuration files and command‑line steps.

CentOSDHCPNAT
0 likes · 6 min read
Build a Secure LAN with iptables NAT and DHCP on CentOS