I am the assigned Gen-ART reviewer for this draft. For background on Gen-ART, please see the FAQ at http://wiki.tools.ietf.org/area/gen/trac/wiki/GenArtfaq  .   Please resolve any Last Call comments you may receive.     Document: draft-ietf-httpbis-p4-conditional-25 Reviewer: Meral Shirazipour Review Date: 2013-11-18/2013-12-02 IETF LC End Date: End of November (special deadline) IESG Telechat date: 2013-12-19       Summary: This draft is almost ready to be published as Proposed Standard but I have some comments.     Major issues: none     Minor issues: none     Nits/editorial comments: Part 4 of: draft-ietf-httpbis-p1-messaging (82 pages) draft-ietf-httpbis-p2-semantics (98 pages) *draft-ietf-httpbis-p4-conditional (27 pages) draft-ietf-httpbis-p5-range (24 pages) draft-ietf-httpbis-p6-cache (41 pages) draft-ietf-httpbis-p7-auth (18 pages) draft-ietf-httpbis-method-registrations (7 pages) draft-ietf-httpbis-authscheme-registrations (5 pages)   -[Page 4], Introduction, it would make the draft clearer if we give 1-2 every day examples of when conditions are used/useful.   -[Page 10], "filesystem"---->"file system"   -General comment: since mostly used with caching, why not considered merging with part 6?   - [Page 22], Security section, as mentioned in my other reviews, would it be better to have a separate draft to discuss all security issues related to HTTP?   Best Regards, Meral   --- Meral Shirazipour Ericsson Research www.ericsson.com