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Version: v2.0.2


CDN is a long-running process that caches data downloaded from the source and provides it to other peers in P2P networks for download, avoiding repeated downloads of the same files from the source.


  • Caches data downloaded from the source
  • Provides breakpoint continuation capability
  • Supports multiple storage modes
  • Support for downloading data sources of different protocols,like http/hdfs/oss


  • Scheduler triggers download tasks to CDN
  • CDN downloads data from the origin site and caches it locally
  • DfDaemon gets task piece information from CDN and downloads piece data