1 content caching
Content caching for CDN network nodes, can cache static Web content and streaming media content, the edge of the content transmission and storage, so that the user's access to the nearest,
2 content exchange
Content switches in the user access point, multiple content caching device can be balanced single point load, and the content cache load balancing and access control,
3 load balance
Load balance to achieve dynamic equilibrium of each content caching site load distribution, for the user's request to choose the best access to the site, at the same time improve web site usability,
4 management platform
Management system, responsible for the managing of CDN is optional parts, is used for content management, such as clear the cache, the cache Settings, domain name binding, etc.,