MetaLinkHeader: Mirrors and Checksums in HTTP Headers
This document specifies MetaLinkHeader: Mirrors and Checksums in HTTP Headers, an alternative to the Metalink XML-based download description format. MetaLinkHeader describes multiple download locations (mirrors), Peer-to-Peer, checksums, digital signatures, and other information using existing standards. Clients can transparently use this information to make file transfers more robust and reliable.