http://www.rfc-editor.org/rfc/rfc4644.txt
RFC 4644: Network News Transfer Protocol (NNTP) Extension for Streaming Feeds, J. Vinocur, K. Murchison2006-10-01T23:00:00-00:00This document updates and formalizes the CHECK and TAKETHIS commands specified in RFC 2980 and deprecates the MODE STREAM command. [STANDARDS-TRACK]