This article chronicles Liu Tiansi’s 13‑year journey from a PHP/Java developer to a senior operations engineer at Tencent, detailing his open‑source contributions, large‑scale CDN management, massive game data pipelines, DevOps practices, and practical lessons for building reliable, automated infrastructure.
This article distills a 2016 Global Operations Conference talk that introduces the Application Running Environment (ARE) concept, outlines IaaS's fundamental and immutable characteristics, examines multi‑team challenges, and proposes a stack‑based, democratic, aspect‑oriented management approach with concrete schemas, patterns, and operational models.
This article introduces the key OpenStack services—Nova, Neutron, Keystone, Glance, Horizon, Cinder, Swift, Heat, and Ceilometer—explaining each component’s role, functionality, and how they collectively enable scalable compute, networking, identity, image, dashboard, block storage, object storage, orchestration, and telemetry in cloud environments.
This article reviews the evolution of Configuration Management Databases (CMDB) in traditional enterprises, identifies common implementation challenges, and proposes a cloud‑native CMDB architecture that combines flexible models, automated data collection, API exposure, and scenario‑driven services to meet modern IT operations needs.
This article provides a detailed overview of VMware NSX SDN, explaining its key components—NSX Manager, virtual switches, controller, and Edge services—and how they enable software‑defined networking, virtualized routing, firewalls, load balancing, and other layer‑2 to layer‑7 functions in modern data‑center environments.
This guide outlines the rapid evolution of cloud services and how developers can leverage cloud hosts, engines, data storage, APM, communication, security, and container platforms to boost efficiency, reduce operational costs, and seamlessly integrate these services into their projects.
This article introduces Ceph as an open‑source distributed storage system that supports object, block, and file interfaces, explains its core RADOS components, outlines its advantages such as unified storage, high scalability, reliability and performance, and details how Ceph handles object and block storage within cloud environments.
The article examines the paradox of the Chinese securities industry—high demand for cutting‑edge trading, quantitative and high‑frequency systems versus outdated IT—while detailing the team’s FinTech startup approach, their Node.js/Docker/MongoDB stack, a cloud‑native trading platform, microservice architecture, big‑data pipelines, performance tuning, and DevOps practices.
Windows Azure, built on Hyper-V virtualization, organizes physical servers into Host and Guest virtual machines managed by a Fabric Controller that oversees multiple fault domains, using Host and Guest agents to monitor VM health and ensure reliable, on-demand cloud services.
Uber’s CTO Thuan Pham revealed at a Chinese tech salon how the company’s global architecture, data‑center strategy, cloud partnership with Baidu, anti‑fraud machine‑learning models, map localization and big‑data analytics together enable a unified yet locally adapted ride‑sharing platform across China and the world.
Explore a comprehensive big data skill map covering processing frameworks like Spark and Hadoop, databases, programming languages, analytics tools, visualization libraries, AI techniques, algorithms, data structures, and cloud computing services, providing a practical reference for building expertise in modern data engineering.
This article provides a comprehensive overview of Citrix XenServer, detailing its Xen‑based hypervisor architecture, management tools, storage and networking components, including resource pools, virtual NICs, Open vSwitch, VLAN support, and distributed switching, highlighting its role in modern cloud virtualization.
This article explains how large‑scale elastic architecture designs achieve high availability and scalability by automatically allocating resources during traffic spikes such as Spring Festival ticket sales and Double‑11 shopping festivals, and outlines key techniques, trends, and disaster‑recovery strategies.
This article provides a comprehensive overview of VMware's high‑reliability PSA architecture, virtual machine conversion tools, HA, DRS, FT, vMotion, storage vMotion, DPM, vNetwork distributed switch, and automation utilities, explaining their functions, components, and operational benefits within virtualized environments.
This article provides a comprehensive overview of VMware vSphere, covering its core components (ESX/ESXi, vCenter, client/web), management features, disaster‑recovery and backup solutions (SRM, VADP, VCB), and storage provisioning methods including VAAI, VASA, vSAN, VMFS, RDM and vVol.
The article analyzes why stability, not raw performance, should be the primary criterion when choosing a cloud provider, describes a 7‑day benchmark across AWS, Azure, Alibaba Cloud, Tencent Cloud and UCloud, and presents detailed results for CPU, memory, disk, database and storage stability.
The article outlines how MySQL architectures evolve from a single-instance setup to vertical splitting, master‑slave replication, horizontal sharding, and cloud‑native SaaS solutions, discussing scalability strategies, sharding techniques, operational challenges, and automation for seamless expansion and high availability.
This article provides a comprehensive overview of Hyper-V, covering its extensive operating system support, virtual networking, management integration with System Center, dynamic memory, storage options, VM conversion tools, and key SMB 3.0 features for high‑availability and performance in virtualized environments.
This article provides a comprehensive overview of Microsoft Hyper‑V architecture, covering its evolution, deployment options, microkernel design, virtual networking components, and advanced features such as SR‑IOV and VMQ, while contrasting it with earlier Microsoft virtualization products and competing solutions.
This article outlines how a startup progressively upgraded its image‑centric product architecture on Alibaba Cloud—from rapid ECS/RDS deployment, through OSS + CDN acceleration, to caching with Memcache and horizontal scaling with SLB load balancing—offering practical guidance for similar teams.
The article outlines the three core traits of internet architecture—agility, scalability, and openness—illustrates them with Alibaba’s supply‑chain and product examples, and explains how cloud‑based, distributed systems enable enterprises to become operators of their own core capabilities.
The article explains Alibaba's continuous delivery theory, tools, and best‑practice pipeline—including integration, testing, deployment, and release—illustrated with diagrams and a detailed description of how the platform improves software quality, collaboration, and operational resilience in large‑scale cloud environments.
The article examines system reliability concepts such as availability, MTBF, MTTR, and outage classifications, analyzes the Alipay service interruption, discusses various redundancy and failover strategies, and explores YunOS reliability testing and design practices to improve overall system robustness.
This article details Meituan Cloud's evolution from a private, self‑developed cloud platform to a high‑performance public cloud, covering the motivations, architectural upgrades across physical links, host networking, gateways, controllers, and the adoption of overlay technologies like VXLAN to achieve industry‑leading scalability and reliability.
This article explains virtualization fundamentals, categorizes its various types—including emulation, full, para‑, OS‑level, library, and application virtualization—covers memory and I/O virtualization mechanisms, and describes networking approaches such as bridging, isolation, routing, host‑only, and NAT.
This article explores the evolution of cloud platforms—from early virtualization (Cloud1.0) through resource‑centric Cloud2.0 to application‑centric PaaS (Cloud3.0)—detailing essential operations tasks such as resource allocation, deployment, service discovery, and log management, and outlining practical design choices using Docker, Mesos, and ELK.
The article compares IBM Bluemix's Cloud Foundry and Docker, outlining their core concepts, key advantages such as ease of use versus portability, differences in packaging, scalability, service integration, and provides guidance on choosing the right platform for various application needs.
Over the past decade, open‑source software has surged in the enterprise sector, driven by startups and venture capital, with surveys showing widespread adoption, increased contributions, and strong security advantages that are reshaping IT architecture, cloud, and big‑data strategies.
The article explains the internal and external drivers behind website architecture evolution, outlines the U‑N‑S‑C model, describes scaling steps such as service separation, caching, clustering, load balancing, database read/write splitting, CDN, and highlights the operational and organizational challenges of each phase.
The 2015 database landscape saw cloud integration, open‑source momentum, and major product releases—from SequoiaDB and MySQL Cluster to OceanBase and Greenplum—highlighting shifting market dynamics, emerging Chinese solutions, and the continued relevance of relational databases amid NoSQL growth.
An in‑depth interview with 1hao Store’s senior tech director reveals the evolution of its e‑commerce architecture, hybrid‑cloud strategy, performance‑driven culture, and practical steps for achieving high availability, elasticity, and cost efficiency during massive traffic spikes.
Facing massive storage and high‑concurrency demands, Gleasy’s chief architect Xue Ke explains how the company combines open‑source foundations with custom middleware—such as CloudMQ, CloudFS, CloudIM, CloudIndex, and CloudJob—to build a distributed framework that simplifies app integration, improves performance, and reduces development cycles.
This article explains Xen's open‑source hypervisor architecture, its three main components, various virtualization modes—including full, paravirtualization, and hardware‑assisted approaches—and details CPU, memory, I/O, and network virtualization techniques used in cloud environments.
The article explains Nutanix’s hyper‑converged architecture, detailing its storage‑control virtual machine, distributed metadata services, data tiering with FlashStore and DiskStore, support for multiple hypervisors, and advanced features such as snapshots, compression, and real‑time vDisk migration.
The article analyzes how rapid changes such as big data, cloud computing, and distributed architectures challenge traditional core banking systems and proposes a multi‑step strategy—including mainframe transaction off‑loading, service‑oriented design, open platform development, and big‑data integration—to modernize and improve performance, cost efficiency, and scalability.
During the 2015 Double‑11 shopping festival, Alipay processed a peak of 85,900 transactions per second—more than double the previous year and surpassing Visa—thanks to its self‑developed OceanBase database, multi‑active data‑center deployment, and hybrid cloud infrastructure, showcasing China’s leading payment‑system technology.
This article explains how JD.com’s three‑layer cloud architecture—storage, middleware, and elastic compute—addresses challenges of massive unstructured data, ever‑growing caches, high‑volume messaging, and rapid service deployment using home‑grown systems like JFS, Jimdb, JMQ, and JSF.
JD.com’s senior engineers detail how a combination of massive Docker‑based cloud migration, multi‑center transaction architecture, intensive 60‑second recovery drills, and AI‑driven personalization via the JD Brain enabled the platform to handle the unprecedented traffic and data demands of the 11.11 shopping festival.
The article outlines ten major IT trends for 2016—including the shift to application‑centric spending, DevOps acceleration, data lakes, analytics platform control, converged services, in‑memory databases, flash storage, and the evolving role of IT in the third platform—highlighting how enterprises must adapt to stay competitive.
This whitepaper analyzes how using cross‑platform mobile development tools such as Xamarin and Apache Cordova, combined with cloud‑based DevOps, can dramatically reduce development costs and time‑to‑market for an app like MyShuttle.biz, while outlining team structures, architecture, and cost calculations.
This article explains XenServer's high‑performance virtualization features, OVF/OVA export capabilities, snapshot‑based backup methods, disaster‑recovery replication, XenCenter management console functions, integration with Microsoft System Center, and the open XenAPI that enables third‑party automation.
At GOPS 2015 Shanghai, over 800 attendees explored Operations 2.0 through keynote talks on lean, APM, DevOps, and intelligent operations, witnessed the launch of the Open Operations Alliance, and discussed future standards, best practices, and the human factor in automated infrastructure management.
The article provides a comprehensive overview of Citrix XenServer’s architecture, including its hypervisor, control domain, virtual machines, storage and networking components, management tools like XenCenter, resource pools, and support for virtual switches and VLANs, highlighting its role in cloud computing environments.
The article shares the author’s experience designing and operating enterprise‑grade cloud platforms, covering resource and application management, the Platform EGO architecture, comparisons with Mesos, Yarn and Kubernetes, and practical insights on scaling, scheduling, security, and architectural evolution.
Alibaba Cloud and the Chinese Academy of Sciences unveiled a quantum encryption communication service on a public cloud, establishing Quantum Portals for inter‑city data‑center networking and offering unconditionally secure data transmission, marking a milestone for both quantum research and cloud computing.
This article provides a comprehensive overview of search engine evolution, core technologies such as crawling, indexing, retrieval and link analysis, platform foundations including cloud storage and computing, and techniques for improving search results through anti‑spam, user‑intent analysis, deduplication and caching.
In a candid Q&A, industry veterans discuss the fundamental differences between internet and traditional banking operations, share experiences transitioning between sectors, and outline strategies to eliminate difficult data‑center maintenance, highlighting risk‑focused versus growth‑driven approaches.
Microsoft Hyper-V is a server virtualization hypervisor introduced after acquiring Connectix, offering a microkernel architecture with parent/child partitions, VSP/VSC components, VMBus communication, and virtual networking via vSwitch, supporting private, internal, and external virtual networks, and features such as SR‑IOV and VMQ.
The article explains VMware vSphere as a cloud‑based data‑center virtualization suite, detailing its main components such as ESXi, vCenter, vSphere Client, and Web Access, and covering disaster recovery, backup technologies, storage APIs, and various storage provisioning methods like vSAN, VMFS, RDM, NFS/CIFS and vVol.
Xen is an open‑source hypervisor developed at Cambridge that enables running up to 128 modified operating systems on a single machine, with components including the Xen Hypervisor, Dom0 and DomU, and supports full, para‑virtualization, hardware‑assisted virtualization, and various I/O and network virtualization methods.
The article distills ten pivotal keywords—Industrial 4.0, Internet+, BFV, microservices, distributed systems, big data, multi‑screen fusion, Docker, OpenStack, and large‑platform micro‑apps—explaining how each shapes the evolution of enterprise software architecture and what challenges and opportunities they bring.
This article explains how an e‑commerce platform leverages a hybrid cloud architecture to handle massive traffic spikes from marketing events while optimizing costs, and outlines six key considerations for successful implementation.
This article explores how Software‑Defined Networking (SDN) has moved from theory to large‑scale deployment in public‑cloud environments, detailing overlay technologies like VXLAN, integration with NFV, practical migration challenges, and real‑world use cases—including automated path probing and controller‑based solutions—while also highlighting a company’s own SDN products.
This article examines key considerations for building highly scalable and available systems on Azure, outlining four architectural dimensions—scalability, availability, manageability, and feasibility—while discussing patterns, anti‑patterns, measurable resources, queue‑based load balancing, authentication services, and common pitfalls such as configuration errors and SQL injection.
This article distills the key takeaways from the book “50 Principles of High‑Scalability Websites,” presenting concise guidelines on avoiding over‑design, planning capacity, simplifying architecture, optimizing DNS and assets, leveraging horizontal scaling, proper database usage, caching, fault isolation, asynchronous messaging, and continuous learning to build robust, easily extensible web systems.
This article uses a pizza‑eating metaphor to demystify cloud computing’s three service models—Infrastructure‑as‑a‑Service, Platform‑as‑a‑Service, and Software‑as‑a‑Service—explaining each layer, real‑world providers, and how they compare to on‑premises deployment, while walking through four pizza‑acquisition scenarios—home cooking, buying a ready‑made pizza, ordering delivery, and dining out—to illustrate the concepts.
The article reviews various definitions of Software‑Defined Networking, examines its primary use in network virtualization, discusses additional application areas, outlines obstacles to adoption, critiques OpenFlow limitations, and offers practical recommendations for successful SDN deployment.
In 2014 Suning’s IT division built a robust, cloud‑native architecture and big‑data platform that enabled flexible scaling, real‑time analytics, secure CDN delivery, and comprehensive monitoring, supporting high‑traffic promotional events and laying the groundwork for future O2O and financial services expansion.
This guide outlines essential Azure cloud considerations—including cost monitoring, VM storage types, load‑balancing strategies, SSD advantages, IP address differences, reserved IP billing, SLA guarantees, storage cost factors, diagnostics, and overall best practices—to help avoid common pitfalls when moving projects from local environments to the cloud.
This article provides a comprehensive overview of OpenStack Swift, covering its background, consistent hashing, quorum-based consistency model, ring data structure, hierarchical data model, system architecture, component responsibilities, and RESTful API usage for scalable object storage.
The article recaps Huawei's five‑day OpenStack Paris summit, highlighting eleven keynote talks on enterprise OpenStack, multi‑site cascading, deployment tools, a 200‑node big‑data cloud, NFV optimizations, software‑defined infrastructure, and the FusionSphere‑based OpenStack journey.
This article explains the architecture and inter‑service communication of OpenStack, detailing each core component, the REST and RPC interactions, and demonstrates practical request flows for creating and shelving instances using nova‑client with debug output and relevant code excerpts.
This article demystifies cloud computing by defining IaaS, exposing four prevalent misconceptions about its nature, technical depth, security, and target users, and presenting four forward‑looking predictions on market growth, enterprise adoption, software‑defined technologies, and industry impact.
Google is developing Docker‑based containers to let software run unchanged across any cloud platform, aiming to eliminate current fragmentation, simplify development, and treat the entire Internet as a single computer, though compatibility hurdles and developer adoption still pose significant challenges.
Redefining multi‑tenancy for the hybrid cloud era, the article explains how enterprises can combine private, public, and carrier clouds using Microsoft’s Cloud OS vision and Windows Azure Pack to deliver flexible, self‑service tenant management, unified billing, and consistent user experiences across diverse infrastructures.
The article warns that mastering Free Open Source Software—from cloud and big‑data tools like OpenStack, Hadoop and NoSQL to web technologies such as Drupal, PHP, HTML5 and jQuery, mobile app development, popular programming languages, and security certifications—will become essential for IT job seekers, prompting universities to embed FOSS curricula.
At Baidu’s Xierqi Night Talk, senior developers learned how the company’s new “Light Tap” visual‑recognition platform and open cloud services aim to link people with everyday services through camera‑based interactions, positioning image recognition as the leading O2O connection method over QR codes, NFC, and voice.
This article provides a comprehensive overview of App Engine as a PaaS solution, analyzes leading platforms such as CloudFoundry and SAE, outlines architectural requirements, and presents practical implementation guidance using open‑source tools like Nginx, Scribe, and Storm for elastic, scalable cloud services.
