国科云提供域名管理、域名锁、智能解析、DDI、IPv6转换、SSL证书等一站式域名解决方案，并形成以云解析、云监控、云盾、云服务器为核心的云计算产品服务体系。
发布时间：2022-10-11 18:02:47
利用CDN网络来发布域名的DNS记录，承载域名解析服务器的功能，即CDN网络中的智能CDN服务器可以直接返回给客户边缘节点CDN服务器的IP网址。首先，CDN的重定向技术是根据域名解析服务器的IP地址给用户返回距离最近的CDN边缘节点服务器，而不是根据用户的实际IP地址重定向，这可能导致返回给用户的CDN节点并不是最佳IP地.........【阅读全文】
发布时间：2022-10-10 16:52:43
CDN的系统构成具体如下表：CDN的核心技术每个CDN节点层都配备智能DNS服务器，即负载均衡设备，其作用是使Cache协同工作，它根据用户源IP地址解析导向整个CDN节点层中的最佳节点。最佳节点的选择是根据CDN管理系统决定的，而负载均衡系统是整个CDN的核心，一般来说负载均衡分为两个层次，第一层是全局负载均.........【阅读全文】
发布时间：2022-10-09 16:16:37
CDN的访问过程/加速原理CDN的访问过程依赖于DNS的重定向技术，即将用户定向至地理位置上距离其最近的边缘CDN节点服务器上。用户首先向根DNS服务器发送域名解析请求，根DNS服务器向授权DNS服务器发送域名解析请求，请求中包含了根服务器的IP地址，当域名解析服务器/根DNS服务器接受到一个CNAME类的DNS记录，域名解析服.........【阅读全文】
发布时间：2022-09-28 14:30:04
负载均衡图 1负载均衡图例服务器宕机可以理解为服务器死机，当网站的服务器遭受DDoS攻击时，由于大量的服务器资源被占用，高速运转下的服务器就可能发生宕机，网站将无法正常访问。在了解宕机切换的具体流程之前，需引入“集群地址池”的概念。集群地址池是一组可提供相同IP服务查询的服务器集群，支持.........【阅读全文】
发布时间：2022-09-27 14:01:11
一、DNS智能解析智能解析可制定访问延时/访问地址的策略，支持默认线路和自定义线路两种模式的线路分组，支持多种记录类型（A、AAAA、CNAME、MX、NS、TXT、SRV、CAA、URL、SPF），支持PTR反向解析（将IP地址反向映射到域名）。表1， 云解析线路DNS健康监测的主要目的是保障网站可以运行流畅，不断检测网.........【阅读全文】
JVDLFFLR2025-08-03 17:15
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