keith moore moorenetworkhereticscom tim bray wrote dont browser os libraries dispatch uri scheme guess probably easy extend adding new handler new contenttype least possible new uri scheme start appearing email web pages local docs etc user install application registers well yeah lot infrastructure deployed dumb devices important stick existing uri schemes use properly works thats ridiculous first http optimal even particularly efficient way accessing kinds resources want permit uri schemes many protocols use second user agents tools use uris glean valuable information differences uri schemes without negotiate protocol details granted dont want make every clue ua might benefit visible uri scheme silly say existing uri schemes sufficient purposes know seems like web guys hate uri schemes get tired quoting httpwwww3orgtrwebarchurischeme people admit prejudiced fact high proportion newurischeme proposals historically poorlyconsidered see rfc4151 doubt proposals kind poorly considered imho advice webarch document uri scheme reuse kindly put oversimplified incorrect theres getting around cost new schemes high want part web adopt fairly narrow view web perhaps keith _______________________________________________ ietf mailing list ietfietforg httpswwwietforgmailmanlistinfoietf thu 07 aug 2008 194756 0400 new schemes vs recycling http past lc comments draftietfgeoprivhttplocationdelivery08