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1、转正报告转正报告 Cathy 2013年3月11日 大纲 CDN基本原理 CDN产品介绍 工作职责 半年计划 CDN的基本原理 CDN（Content Delivery Network）内容分发网络 利用缓存技术，通过网络各处放置节点服务器，构建互联网之上的一层虚拟网络。 实时地根据网络流量和各节点的连接、负载状况将用户的请求导向最近的服务节点上访问。 解决Internet网络拥挤状况，提高用户访问网站的响应速度 SAMSUNG CDN基本原理 举例 经销商 Storage 河北 河南 Uplayer Uplayer 门店 门店 Edge Server Edge Server CDN Orig

2、in CDN可以帮助企业 运营商宽 网的问题 缓解源站 检测运行 网站访问 速度加快 下载速度 极速提升 压缩带宽 节省成本 具体的数据对比 一一个跨国互联网企业的悲剧！个跨国互联网企业的悲剧！ Local ISP +5 ms +10 ms +200 ms +10 ms +5 ms +5 ms +10 ms +200 ms +10 ms +5 ms National Backbone IPL National Backbone Local ISP Origin Server Without CDN: 920ms Local ISP +5 ms +5 ms National Backbone I

3、PL National Backbone Local ISP Origin Server Edge Server With CDN: 10ms CDN 基本原理理解 http:/ 看看视频是如何来演绎CDN的 CCNA的产品线 CLOUD C3Edge is a high quality storage and network service. WAN ACCELERATE WAN optimization for network and cloud access, and application accelerate . LICENCE PLATFORM Supply the CDN sys

4、tem platform ,Customer could manage the CDN service . IDC SERVICE Number three IDC provider in China by volume. EXAMPLE What we do TRADITIONAL CDN Contain File download,Web caching FILE DOWNLOAD Enable large files to be delivered fast and securely worldwide. TRANSPARENT CACHE ChinaCache solution for

5、 Carriers WEB CACHING The number one web caching service provider in China. VOD&STREAMING Service provider of choice for top sites and China government. DYNAMIC Top shopping sites in China rely on our Content Aware Whole Site Acceleration. CPIS Top shopping sites in China rely on our Content Aware W

6、hole Site Acceleration. Media Hub Utilizing CDN technology, ISPs can utilize the contents in Mediahub by connecting to Mediahub node CEDEXIS Content aware network, detection CDN service quality 适用的行业 MEDIA GOVERMENT ICPS E- COMPERCE GAMES ENTERPRISE FINANCE ISPS Web Caching Dynamic HTTP&HTTPS dynami

7、c acceleration Private line TCP layer acceleration + Certificate Transparent Transport Accelerate (TTA) without Certificate Vod&Streaming Speed up the web page, file download, video streaming and other delivery content Web Caching HTTP&HTTPS Static acceleration HTTP Compression Localized content Fil

8、e Download Local Net-storage Secure Socket Layer Acceleration Anti-hijack Geo-Blocking Off-line Caching Web Caching 7x24 服务 专属研发 专属客服 专属项目 专属运维HTTP静态加速 离线服务 区域回原控制 源站监控 HTTP日志系统 海量文件存储HTTP监控系统 客户服务PORTAL系统 定制和增值内容更新 长连接 智能路由DNS解析监控 CCTCP FSCSHTTP安全防护 服务体系核心技术与服务支撑体系 内容防盗链 HTTP加速，HTTPS加速 先进的系统架构广泛的节点

9、服务完善的技术支持和服务体系 File Download 超级下载 支持FTP、HTTP多种下载协议，单个100M大文件 先进的智能网络存储、多种文件同步机制 智能下载 支持各种格式软件升级包补丁等琐碎小文件 针对下载带宽需求不稳定，下载带宽需求没有规律不好把握的 客户 极速上传 集中解决交互网站内容上传响应慢的问题 合理调配全网资源满足网民体验 下载和上传同步支持，提高WEB2.0的交互性，降低网站运维 的双向开支 Vod&Streaming MS Platform Std Live P2SP Live Std Vod PRODCUT LINE Adobe Platform FMS Live

10、 FMS Vod Cross Platform Apps Multi View Live/Vod Presentation Suite Add Value Product Prevent illegal link Prevent download ACL 产品发布会 企事业活动直播企事业活动直播 广告在线广告在线 培训在线直播&点播 云产品 C3edge C3VCS:Virtual Computing Servers Provide the unlimited server functions according to the customer demand can be increased

11、gradually, no need more equipment costs C3DS:Dedicated Servers Private cloud Service according to customer. C3Cache:Content Delivery Network Speed up the web page, file download, video streaming and other delivery content C3Suite:Colorcation Services Provide the global hosting services around the wo

12、rld AATS产品 All Optimization All enterprise applications Appliance replacement Network as-a-ServiceNAS Private to Private Private to Public HQ,Branch,DC,Private Cloud Users-employees in offices WAN Optimization as-a-Service WOS Private to Private Private to Public HQ, Branch, DC,Private Cloud Users-e

13、mployees in offices Application Delivery as-a-Service ADS Public to private Public to Public Centralized resources (DC/SaaS) to distributed users All optimization AATS -Advanced Acceleration Transport Service AATS 产品应用加速 Mediahub产品介绍 FDNS Redirection Local DNS forward domain name request to FDNS, an

14、d FDNS re-directs by the IP address of cache server HTTP Redirection From the mirror of all the TCP80 requests by splitting backbone network, system will process 302 jump to cache server P2P cache The major function of P2P cache system is to provide super peer for subscribers, and deliver more conte

15、nt with top speeds, which will also reduce the complaints from subscribers. Mediahub Utilizing CDN technology, ISPs can utilize the contents in Mediahub by connecting to Mediahub node Cache Chinese content deep inside the “HUB” locate in a Neutral IDC with connection to Carriers in HK. To Resolve Pr

16、oblem Origin Server ISP MediaHub node Cache Node within the network The request to Origin Server reduce to 10% Cache save 90% hotspots content User CPIS 产品 CPIS (Transparent Caching) Utilizing CDN technology, Cache content deep inside the network, reduce carrier network costs Telecom: Bandwidth, Rac

17、k, Power ChinaCache: Server, Software platform P2P Cache(Peer to Peer Caching) By caching P2P content inside carriers network, reduce network cost and improve service quality Telecom: Bandwidth, Rack, Power ChinaCache: Server, Software platform “As video streaming and rich media downloads continue t

18、o flood operator networks, with no end in sight, network operators are evaluating and deploying transparent Internet caching inside their networks to address a broader range of Internet content. The intent is two-fold: The first is to reduce the network infrastructure and bandwidth costs associated with over the top (OTT) content The second is to differentiate their consumer broadband service and deliver better user performance. By eliminating any potential delays associated with the Internet or even