CONTENT DELIVERY NETWORK TRANSITIONAL CACHING

摘要

Systems, methods, apparatus, and software for transitional caching in content delivery networks includes edge cache nodes configured to receive and reply to content requests. Content can be cached in edge cache nodes before receiving user requests or retrieved from an origin server. A transitional cache node array is configured to receive content requests from edge cache nodes and to receive origin content from edge cache nodes and/or origin servers, as well as to modify origin content to generate modified content. Modified content can include re-written origin content (e.g., translations), transcoded data (e.g., video), compressed or otherwise adjusted data (e.g., images), and transformed files (e.g., CSS and JavaScript files), among others. In addition to assisting with original and modified content flow to end users, transitional caching also can assist in threat detection and mitigation within a CDN, helping to protect the network, origin servers and the like.

主权项

1. A content delivery network system comprising:
a plurality of edge cache nodes, each edge cache node configured to:
receive end user content requests;obtain origin content from an origin content source; andrespond to end user requests; and a transitional cache node array configured to:
receive content requests from at least one of the plurality of edge cache nodes;receive origin content from at least one of the following:
one of the plurality of edge cache nodes;the origin content source;modify origin content to generate modified content;respond to edge cache node content requests by sending origin content and modified content.