A Content Delivery Network (CDN) is a globally distributed set of servers that cache web assets, route user requests to the nearest edge node, and provide faster load times, lower latency, reduced origin load, higher availability, security features, and support a wide range of application scenarios.
On June 30, 2026, Akamai will shut down its CDN operations in China, directing remaining traffic to neighboring countries while offering migration paths through Tencent Cloud and Wangsu, and the article explains CDN fundamentals, China’s network landscape, Akamai’s history, and community reactions to the change.
Akamai will cease its CDN services in China on June 30 2026, offering migration partners like Tencent while explaining CDN fundamentals, benefits, components, and key terminology such as CNAME records, intelligent DNS, and origin protocols for readers planning a smooth transition.
This article explains what a Content Delivery Network (CDN) is, its architecture and workflow, and outlines its key benefits such as acceleration, global coverage, security, disaster recovery, and cost savings, while also discussing challenges with dynamic resources.
This article explains why network acceleration is needed, defines CDN, describes its core technologies and scheduling mechanisms, and outlines the CDN system architecture—including routing, edge servers, and security components—to help developers improve web performance and troubleshoot CDN issues.
Content Delivery Networks (CDNs) distribute cached content across edge servers to accelerate website access, reduce origin server load, enhance security, provide global coverage, and ensure high availability, while also addressing dynamic resource challenges through routing, protocol, pre‑caching, and compression optimizations.
This article explains how Content Delivery Networks (CDNs) address internet performance challenges by bringing content closer to users, detailing their working principles, key components such as GSLB and caching, and common application scenarios like website acceleration, file download, and streaming.
This article explains the full CDN workflow—from DNS resolution and CNAME routing to cache miss handling and origin pull—illustrates when CDN improves performance, how to detect cache misses via HTTP headers, and outlines scenarios where using a CDN may actually slow down delivery.
This article explains the fundamentals of Content Delivery Networks (CDN), how they cache object‑storage files, the DNS resolution process with CNAME records, origin‑pull behavior on cache misses, performance trade‑offs, and guidelines for when CDN integration is beneficial or unnecessary.
This article explains what a Content Delivery Network (CDN) is, how it works through edge caching and global load balancing, outlines its core functions and service models, and compares DNS‑based, HTTP‑redirect and IP‑spoofing GSLB approaches with their advantages and drawbacks.
Content Delivery Networks (CDNs) add a caching layer to the Internet, placing content on edge nodes near users to reduce latency, alleviate bandwidth constraints, and improve response speed, with DNS-based smart routing, cache servers, and load balancing forming the core of their operation.
This article explains the fundamentals, principles, functions, service models, and global load‑balancing techniques of Content Delivery Networks, detailing how edge caching, intelligent routing, and various GSLB strategies improve latency, bandwidth efficiency, and overall user experience.
This article explains the fundamentals of Content Delivery Networks (CDN), detailing how browsers request resources, the role of DNS, the long-haul backbone bottleneck, and how CDN edge servers cache content to reduce latency and bandwidth load, illustrated with real-world examples like ticket‑booking spikes.
This article explains the fundamentals of Content Delivery Networks (CDN), detailing how browsers request resources, the role of DNS, the multi‑step data transmission process, and how CDN caching servers reduce long‑haul network traffic and latency to improve user experience.
This article explains the concept, motivation, and basic workflow of Content Delivery Networks (CDN), showing how caching data near users reduces latency, eases origin server bandwidth pressure, and mitigates network congestion across multiple transmission layers.
This article explains the fundamentals of Content Delivery Networks (CDN), covering their history, DNS-based operation, global load balancing, caching mechanisms, typical use cases such as website and streaming acceleration, and the performance, cost, security, and operational benefits they provide.
This article explains six typical system architecture designs, focusing on the first three—single‑database single‑app, content‑delivery, and read‑write separation—detailing their structures, advantages, disadvantages, and practical implementation steps for modern backend development.
This article explains what a Content Delivery Network (CDN) is, why it is essential for reducing latency and improving user experience, describes its operational workflow—including DNS resolution, load balancing, and caching—and outlines the core technical components such as scheduling, cache, and security.
This article explains the fundamentals of Content Delivery Networks (CDN), their caching and load‑balancing mechanisms, the value they bring to network traffic, and how Global Server Load Balancing (GSLB) techniques—based on DNS, HTTP redirects, and IP spoofing—select optimal server groups using geographic, load, and RTT strategies.
This article provides a comprehensive overview of Content Delivery Networks (CDN), explaining their definition, core principles, key functionalities, service models, and the mechanisms of global server load balancing (GSLB) including DNS‑based, HTTP‑redirect, and IP‑spoofing approaches, along with common selection strategies.
This article explains what a Content Delivery Network (CDN) is, how it works through DNS and smart scheduling, its key components, and essential terminology such as CNAME records, origin host, and protocol origin, illustrating how CDN optimizes web traffic and speeds up user access.
This article explains what a Content Delivery Network (CDN) is, how it optimizes web traffic through caching and intelligent DNS routing, details the traditional versus CDN-enabled access processes, and clarifies related terms such as CNAME records, DNS, origin host, and protocol origin.
This article explains what a Content Delivery Network (CDN) is, how it optimizes web traffic by caching resources at edge nodes, compares traditional and CDN-enabled access flows, and clarifies related terms such as CNAME records, DNS, and origin host configuration.
This article explains how Content Delivery Networks (CDNs) dramatically reduce page load times by caching static resources near users, outlines the step‑by‑step request flow, discusses cache strategies, and highlights both the advantages and limitations of CDN adoption.
This article presents a detailed, step‑by‑step performance test of CDN acceleration on Tencent Cloud and Alibaba Cloud, comparing raw bandwidth, CDN‑enabled downloads, caching behavior, and regional variations to reveal when CDN brings measurable speed improvements and when it does not.
This article explains the concept, architecture, and operation of Content Delivery Networks (CDN), using logistics analogies to illustrate how edge nodes, global load balancing, and content routing improve web performance, reduce latency, and enhance reliability for various online services.
This article explains why live streaming platforms rely on Content Delivery Networks, describes the CDN architecture and workflow, and compares the main streaming protocols—RTMP, HLS, and FLV—highlighting their characteristics and impact on latency and stability.
This article explains why video streams can still lag on high‑speed mobile networks, introduces the origin and principles of Content Delivery Networks (CDNs), and shows how CDNs reduce latency, improve user experience, and benefit both internet and telecom operators.
This article provides a beginner-friendly overview of traditional CDN components, their relationships, and a step‑by‑step download workflow, covering entry service, core indexing, core storage, content management, edge storage, and content distribution without delving into advanced features like grouping or P2P.
This article explains what a CDN (Content Delivery Network) is, how it differs from traditional website access, outlines common application scenarios, and details the relationship and configuration of origin servers, origin hosts, and back‑origin settings.
This article explains what a Content Delivery Network (CDN) is, why it improves website response times, outlines its basic acceleration strategy, describes its core components such as origin servers, edge caches and smart DNS, and walks through the typical CDN operation flow.
