keith moore moorenetworkhereticscom tim bray wrote tag fact clearly correct state introduction new uri schemes quite expensive seems depends extent new uri schemes used contexts existing uri schemes used new uri schemes used new contexts applications overly burdensome also recognized overloading uri schemes well overloading http also expensive though different way consequence overloading functionality reduced interoperability suffers keith _______________________________________________ ietf mailing list ietfietforg httpswwwietforgmailmanlistinfoietf thu 07 aug 2008 132456 0400 new schemes vs recycling http past lc comments draftietfgeoprivhttplocationdelivery08