Uniform Resource Identifier (URI) Schemes

   Last Updated
           2019-01-28

   Available Formats
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   Registry included below

     * Uniform Resource Identifier (URI) Schemes

Uniform Resource Identifier (URI) Schemes

   Registration Procedure(s)

 Expert Review for Permanent and Historical registrations,
 First Come First Served for Provisional registrations

   Expert(s)

 Graham Klyne

   Reference
           [RFC7595][RFC Errata 4420]

   Note

 Requests for permanent registration must be preceded by mailing list review,
 per Section 7.2 of [RFC7595].


   Available Formats
           [IMG]
           CSV

             URI Scheme                              Template                              Description                Status                                      Reference                                   Notes
aaa                                                                            Diameter Protocol                    Permanent   [RFC6733]
aaas                                                                           Diameter Protocol with Secure        Permanent   [RFC6733]
                                                                               Transport
about                                                                          about                                Permanent   [RFC6694]
acap                                                                           application configuration access     Permanent   [RFC2244]
                                                                               protocol
acct                                                                           acct                                 Permanent   [RFC7565]
acr                                  prov/acr                                  acr                                  Provisional [OMA-OMNA]
adiumxtra                            prov/adiumxtra                            adiumxtra                            Provisional [Dave_Thaler]
afp                                  prov/afp                                  afp                                  Provisional [Dave_Thaler]
afs                                                                            Andrew File System global file names Provisional [RFC1738]
aim                                  prov/aim                                  aim                                  Provisional [Dave_Thaler]
appdata                              prov/appdata                              appdata                              Provisional [urischemeowners_at_microsoft.com]
apt                                  prov/apt                                  apt                                  Provisional [Dave_Thaler]
attachment                           prov/attachment                           attachment                           Provisional [Dave_Thaler]
aw                                   prov/aw                                   aw                                   Provisional [Dave_Thaler]
barion                               prov/barion                               barion                               Provisional [Bíró_Tamás]
beshare                              prov/beshare                              beshare                              Provisional [Dave_Thaler]
bitcoin                              prov/bitcoin                              bitcoin                              Provisional [Dave_Thaler]
bitcoincash                          prov/bitcoincash                          bitcoincash                          Provisional [Corentin_Mercier]
blob                                 prov/blob                                 blob                                 Provisional [W3C_WebApps_Working_Group][Chris_Rebert]
bolo                                 prov/bolo                                 bolo                                 Provisional [Dave_Thaler]
browserext                           prov/browserext                           browserext                           Provisional [Mike_Pietraszak]
calculator                           prov/calculator                           calculator                           Provisional [urischemeowners_at_microsoft.com]
callto                               prov/callto                               callto                               Provisional [Alexey_Melnikov]
cap                                                                            Calendar Access Protocol             Permanent   [RFC4324]
chrome                               prov/chrome                               chrome                               Provisional [Dave_Thaler]
chrome-extension                     prov/chrome-extension                     chrome-extension                     Provisional [Dave_Thaler]
cid                                                                            content identifier                   Permanent   [RFC2392]
coap                                                                           coap                                 Permanent   [RFC7252]
coap+tcp                                                                       coap+tcp [1]                         Permanent   [RFC8323]
coap+ws                                                                        coap+ws [1]                          Permanent   [RFC8323]
coaps                                                                          coaps                                Permanent   [RFC7252]
coaps+tcp                                                                      coaps+tcp [1]                        Permanent   [RFC8323]
coaps+ws                                                                       coaps+ws [1]                         Permanent   [RFC8323]
com-eventbrite-attendee              prov/com-eventbrite-attendee              com-eventbrite-attendee              Provisional [Bob_Van_Zant]
content                              prov/content                              content                              Provisional [Dave_Thaler]
conti                                prov/conti                                conti                                Provisional [Michael_Hedenus]
crid                                                                           TV-Anytime Content Reference         Permanent   [RFC4078]
                                                                               Identifier
cvs                                  prov/cvs                                  cvs                                  Provisional [Dave_Thaler]
data                                                                           data                                 Permanent   [RFC2397]
dav                                                                            dav                                  Permanent   [RFC4918]
diaspora                             prov/diaspora                             diaspora                             Provisional [Dennis_Schubert]
dict                                                                           dictionary service protocol          Permanent   [RFC2229]
did                                  prov/did                                  did                                  Provisional [W3C_Credentials_Community_Group][Manu_Sporny]
dis                                  prov/dis                                  dis                                  Provisional [Christophe_Meessen]
dlna-playcontainer                   prov/dlna-playcontainer                   dlna-playcontainer                   Provisional [DLNA]
dlna-playsingle                      prov/dlna-playsingle                      dlna-playsingle                      Provisional [DLNA]
dns                                                                            Domain Name System                   Permanent   [RFC4501]
dntp                                 prov/dntp                                 dntp                                 Provisional [Hans-Dieter_A._Hiep]
dpp                                  prov/dpp                                  dpp                                  Provisional [Gaurav_Jain][Wi-Fi_Alliance]
dtn                                                                            DTNRG research and development       Provisional [RFC5050]
dvb                                                                            dvb                                  Provisional [draft-mcroberts-uri-dvb]
ed2k                                 prov/ed2k                                 ed2k                                 Provisional [Dave_Thaler]
elsi                                 prov/elsi                                 elsi                                 Provisional [Kimmo_Lindholm]
example                                                                        example                              Permanent   [RFC7595]
facetime                             prov/facetime                             facetime                             Provisional [Dave_Thaler]
fax                                                                            fax                                  Historical  [RFC2806][RFC3966]
feed                                 prov/feed                                 feed                                 Provisional [Dave_Thaler]
feedready                            prov/feedready                            feedready                            Provisional [Mirko_Nosenzo]
file                                                                           Host-specific file names             Permanent   [RFC8089]
filesystem                           historic/filesystem                       filesystem                           Historical  [W3C_WebApps_Working_Group][Chris_Rebert]
finger                               prov/finger                               finger                               Provisional [Dave_Thaler]
fish                                 prov/fish                                 fish                                 Provisional [Dave_Thaler]
ftp                                                                            File Transfer Protocol               Permanent   [RFC1738]
geo                                                                            Geographic Locations                 Permanent   [RFC5870]
gg                                   prov/gg                                   gg                                   Provisional [Dave_Thaler]
git                                  prov/git                                  git                                  Provisional [Dave_Thaler]
gizmoproject                         prov/gizmoproject                         gizmoproject                         Provisional [Dave_Thaler]
go                                                                             go                                   Permanent   [RFC3368]
gopher                                                                         The Gopher Protocol                  Permanent   [RFC4266]
graph                                prov/graph                                graph                                Provisional [Alastair_Green]
gtalk                                prov/gtalk                                gtalk                                Provisional [Dave_Thaler]
h323                                                                           H.323                                Permanent   [RFC3508]
ham                                                                            ham                                  Provisional [RFC7046]
hcap                                 prov/hcap                                 hcap                                 Provisional [urischemeowners_at_microsoft.com]
hcp                                  prov/hcp                                  hcp                                  Provisional [Alexey_Melnikov]
http                                                                           Hypertext Transfer Protocol          Permanent   [RFC7230, Section 2.7.1]
https                                                                          Hypertext Transfer Protocol Secure   Permanent   [RFC7230, Section 2.7.2]
hxxp                                 prov/hxxp                                 hxxp                                 Provisional [draft-salgado-hxxp]
hxxps                                prov/hxxps                                hxxps                                Provisional [draft-salgado-hxxp]
hydrazone                                                                      hydrazone                            Provisional [Matthias_Merkel][https://tech.hydrazone.pro/uri/specification/hydrazone.txt]
iax                                                                            Inter-Asterisk eXchange Version 2    Permanent   [RFC5456]
icap                                                                           Internet Content Adaptation Protocol Permanent   [RFC3507]
icon                                                                           icon                                 Provisional [draft-lafayette-icon-uri-scheme]
im                                                                             Instant Messaging                    Permanent   [RFC3860]
imap                                                                           internet message access protocol     Permanent   [RFC5092]
                                                                               Information Assets with Identifiers
                                                                               in Public Namespaces. [RFC4452]
                                                                               (section 3) defines an "info"
info                                                                           registry of public namespaces, which Permanent   [RFC4452]
                                                                               is maintained by NISO and can be
                                                                               accessed from
                                                                               [http://info-uri.info/].
iotdisco                             prov/iotdisco                             iotdisco                             Provisional [Peter_Waher][http://www.iana.org/assignments/uri-schemes/prov/iotdisco.pdf]
ipn                                                                            ipn                                  Provisional [RFC6260]
ipp                                                                            Internet Printing Protocol           Permanent   [RFC3510]
ipps                                                                           Internet Printing Protocol over      Permanent   [RFC7472]
                                                                               HTTPS
irc                                  prov/irc                                  irc                                  Provisional [Dave_Thaler]
irc6                                 prov/irc6                                 irc6                                 Provisional [Dave_Thaler]
ircs                                 prov/ircs                                 ircs                                 Provisional [Dave_Thaler]
iris                                                                           Internet Registry Information        Permanent   [RFC3981]
                                                                               Service
iris.beep                                                                      iris.beep                            Permanent   [RFC3983]
iris.lwz                                                                       iris.lwz                             Permanent   [RFC4993]
iris.xpc                                                                       iris.xpc                             Permanent   [RFC4992]
iris.xpcs                                                                      iris.xpcs                            Permanent   [RFC4992]
isostore                             prov/isostore                             isostore                             Provisional [urischemeowners_at_microsoft.com]
itms                                 prov/itms                                 itms                                 Provisional [Dave_Thaler]
jabber                               perm/jabber                               jabber                               Permanent   [Peter_Saint-Andre]
jar                                  prov/jar                                  jar                                  Provisional [Dave_Thaler]
jms                                                                            Java Message Service                 Provisional [RFC6167]
keyparc                              prov/keyparc                              keyparc                              Provisional [Dave_Thaler]
lastfm                               prov/lastfm                               lastfm                               Provisional [Dave_Thaler]
ldap                                                                           Lightweight Directory Access         Permanent   [RFC4516]
                                                                               Protocol
ldaps                                prov/ldaps                                ldaps                                Provisional [Dave_Thaler]
leaptofrogans                        prov/leaptofrogans                        leaptofrogans                        Provisional [draft-op3ft-leaptofrogans-uri-scheme]
lvlt                                 prov/lvlt                                 lvlt                                 Provisional [Alexander_Shishenko]
magnet                               prov/magnet                               magnet                               Provisional [Dave_Thaler]
mailserver                                                                     Access to data available from mail   Historical  [RFC6196]
                                                                               servers
mailto                                                                         Electronic mail address              Permanent   [RFC6068]
maps                                 prov/maps                                 maps                                 Provisional [Dave_Thaler]
market                               prov/market                               market                               Provisional [Dave_Thaler]
message                              prov/message                              message                              Provisional [Dave_Thaler]
microsoft.windows.camera             prov/microsoft.windows.camera             microsoft.windows.camera             Provisional [urischemeowners_at_microsoft.com]
microsoft.windows.camera.multipicker prov/microsoft.windows.camera.multipicker microsoft.windows.camera.multipicker Provisional [urischemeowners_at_microsoft.com]
microsoft.windows.camera.picker      prov/microsoft.windows.camera.picker      microsoft.windows.camera.picker      Provisional [urischemeowners_at_microsoft.com]
mid                                                                            message identifier                   Permanent   [RFC2392]
mms                                  prov/mms                                  mms                                  Provisional [Alexey_Melnikov]
modem                                                                          modem                                Historical  [RFC2806][RFC3966]
mongodb                              prov/mongodb                              mongodb                              Provisional [Ignacio_Losiggio][Mongo_DB_Inc]
moz                                  prov/moz                                  moz                                  Provisional [Joe_Hildebrand]
ms-access                            prov/ms-access                            ms-access                            Provisional [urischemeowners_at_microsoft.com]
ms-browser-extension                 prov/ms-browser-extension                 ms-browser-extension                 Provisional [urischemeowners_at_microsoft.com]
ms-calculator                        prov/ms-calculator                        ms-calculator                        Provisional [urischemeowners_at_microsoft.com]
ms-drive-to                          prov/ms-drive-to                          ms-drive-to                          Provisional [urischemeowners_at_microsoft.com]
ms-enrollment                        prov/ms-enrollment                        ms-enrollment                        Provisional [urischemeowners_at_microsoft.com]
ms-excel                             prov/ms-excel                             ms-excel                             Provisional [urischemeowners_at_microsoft.com]
ms-eyecontrolspeech                  prov/ms-eyecontrolspeech                  ms-eyecontrolspeech                  Provisional [urischemeowners_at_microsoft.com]
ms-gamebarservices                   prov/ms-gamebarservices                   ms-gamebarservices                   Provisional [urischemeowners_at_microsoft.com]
ms-gamingoverlay                     prov/ms-gamingoverlay                     ms-gamingoverlay                     Provisional [urischemeowners_at_microsoft.com]
ms-getoffice                         prov/ms-getoffice                         ms-getoffice                         Provisional [urischemeowners_at_microsoft.com]
ms-help                              prov/ms-help                              ms-help                              Provisional [Alexey_Melnikov]
ms-infopath                          prov/ms-infopath                          ms-infopath                          Provisional [urischemeowners_at_microsoft.com]
ms-inputapp                          prov/ms-inputapp                          ms-inputapp                          Provisional [urischemeowners_at_microsoft.com]
ms-lockscreencomponent-config        prov/ms-lockscreencomponent-config        ms-lockscreencomponent-config        Provisional [urischemeowners_at_microsoft.com]
ms-media-stream-id                   prov/ms-media-stream-id                   ms-media-stream-id                   Provisional [urischemeowners_at_microsoft.com]
ms-mixedrealitycapture               prov/ms-mixedrealitycapture               ms-mixedrealitycapture               Provisional [urischemeowners_at_microsoft.com]
ms-officeapp                         prov/ms-officeapp                         ms-officeapp                         Provisional [urischemeowners_at_microsoft.com]
ms-people                            prov/ms-people                            ms-people                            Provisional [urischemeowners_at_microsoft.com]
ms-project                           prov/ms-project                           ms-project                           Provisional [urischemeowners_at_microsoft.com]
ms-powerpoint                        prov/ms-powerpoint                        ms-powerpoint                        Provisional [urischemeowners_at_microsoft.com]
ms-publisher                         prov/ms-publisher                         ms-publisher                         Provisional [urischemeowners_at_microsoft.com]
ms-restoretabcompanion               prov/ms-restoretabcompanion               ms-restoretabcompanion               Provisional [urischemeowners_at_microsoft.com]
ms-screenclip                        prov/ms-screenclip                        ms-screenclip                        Provisional [urischemeowners_at_microsoft.com]
ms-screensketch                      prov/ms-screensketch                      ms-screensketch                      Provisional [urischemeowners_at_microsoft.com]
ms-search                            prov/ms-search                            ms-search                            Provisional [urischemeowners_at_microsoft.com]
ms-search-repair                     prov/ms-search-repair                     ms-search-repair                     Provisional [urischemeowners_at_microsoft.com]
ms-secondary-screen-controller       prov/ms-secondary-screen-controller       ms-secondary-screen-controller       Provisional [urischemeowners_at_microsoft.com]
ms-secondary-screen-setup            prov/ms-secondary-screen-setup            ms-secondary-screen-setup            Provisional [urischemeowners_at_microsoft.com]
ms-settings                          prov/ms-settings                          ms-settings                          Provisional [urischemeowners_at_microsoft.com]
ms-settings-airplanemode             prov/ms-settings-airplanemode             ms-settings-airplanemode             Provisional [urischemeowners_at_microsoft.com]
ms-settings-bluetooth                prov/ms-settings-bluetooth                ms-settings-bluetooth                Provisional [urischemeowners_at_microsoft.com]
ms-settings-camera                   prov/ms-settings-camera                   ms-settings-camera                   Provisional [urischemeowners_at_microsoft.com]
ms-settings-cellular                 prov/ms-settings-cellular                 ms-settings-cellular                 Provisional [urischemeowners_at_microsoft.com]
ms-settings-cloudstorage             prov/ms-settings-cloudstorage             ms-settings-cloudstorage             Provisional [urischemeowners_at_microsoft.com]
ms-settings-connectabledevices       prov/ms-settings-connectabledevices       ms-settings-connectabledevices       Provisional [urischemeowners_at_microsoft.com]
ms-settings-displays-topology        prov/ms-settings-displays-topology        ms-settings-displays-topology        Provisional [urischemeowners_at_microsoft.com]
ms-settings-emailandaccounts         prov/ms-settings-emailandaccounts         ms-settings-emailandaccounts         Provisional [urischemeowners_at_microsoft.com]
ms-settings-language                 prov/ms-settings-language                 ms-settings-language                 Provisional [urischemeowners_at_microsoft.com]
ms-settings-location                 prov/ms-settings-location                 ms-settings-location                 Provisional [urischemeowners_at_microsoft.com]
ms-settings-lock                     prov/ms-settings-lock                     ms-settings-lock                     Provisional [urischemeowners_at_microsoft.com]
ms-settings-nfctransactions          prov/ms-settings-nfctransactions          ms-settings-nfctransactions          Provisional [urischemeowners_at_microsoft.com]
ms-settings-notifications            prov/ms-settings-notifications            ms-settings-notifications            Provisional [urischemeowners_at_microsoft.com]
ms-settings-power                    prov/ms-settings-power                    ms-settings-power                    Provisional [urischemeowners_at_microsoft.com]
ms-settings-privacy                  prov/ms-settings-privacy                  ms-settings-privacy                  Provisional [urischemeowners_at_microsoft.com]
ms-settings-proximity                prov/ms-settings-proximity                ms-settings-proximity                Provisional [urischemeowners_at_microsoft.com]
ms-settings-screenrotation           prov/ms-settings-screenrotation           ms-settings-screenrotation           Provisional [urischemeowners_at_microsoft.com]
ms-settings-wifi                     prov/ms-settings-wifi                     ms-settings-wifi                     Provisional [urischemeowners_at_microsoft.com]
ms-settings-workplace                prov/ms-settings-workplace                ms-settings-workplace                Provisional [urischemeowners_at_microsoft.com]
ms-spd                               prov/ms-spd                               ms-spd                               Provisional [urischemeowners_at_microsoft.com]
ms-sttoverlay                        prov/ms-sttoverlay                        ms-sttoverlay                        Provisional [urischemeowners_at_microsoft.com]
ms-transit-to                        prov/ms-transit-to                        ms-transit-to                        Provisional [urischemeowners_at_microsoft.com]
ms-useractivityset                   prov/ms-useractivityset                   ms-useractivityset                   Provisional [urischemeowners_at_microsoft.com]
ms-virtualtouchpad                   prov/ms-virtualtouchpad                   ms-virtualtouchpad                   Provisional [urischemeowners_at_microsoft.com]
ms-visio                             prov/ms-visio                             ms-visio                             Provisional [urischemeowners_at_microsoft.com]
ms-walk-to                           prov/ms-walk-to                           ms-walk-to                           Provisional [urischemeowners_at_microsoft.com]
ms-whiteboard                        prov/ms-whiteboard                        ms-whiteboard                        Provisional [urischemeowners_at_microsoft.com]
ms-whiteboard-cmd                    prov/ms-whiteboard-cmd                    ms-whiteboard-cmd                    Provisional [urischemeowners_at_microsoft.com]
ms-word                              prov/ms-word                              ms-word                              Provisional [urischemeowners_at_microsoft.com]
msnim                                prov/msnim                                msnim                                Provisional [Alexey_Melnikov]
msrp                                                                           Message Session Relay Protocol       Permanent   [RFC4975]
msrps                                                                          Message Session Relay Protocol       Permanent   [RFC4975]
                                                                               Secure
mtqp                                                                           Message Tracking Query Protocol      Permanent   [RFC3887]
mumble                               prov/mumble                               mumble                               Provisional [Dave_Thaler]
mupdate                                                                        Mailbox Update (MUPDATE) Protocol    Permanent   [RFC3656]
mvn                                  prov/mvn                                  mvn                                  Provisional [Dave_Thaler]
news                                                                           USENET news                          Permanent   [RFC5538]
nfs                                                                            network file system protocol         Permanent   [RFC2224]
ni                                                                             ni                                   Permanent   [RFC6920]
nih                                                                            nih                                  Permanent   [RFC6920]
nntp                                                                           USENET news using NNTP access        Permanent   [RFC5538]
notes                                prov/notes                                notes                                Provisional [Dave_Thaler]
ocf                                  prov/ocf                                  ocf                                  Provisional [Dave_Thaler]
oid                                  prov/oid                                  oid                                  Provisional [draft-larmouth-oid-iri]
onenote                              prov/onenote                              onenote                              Provisional [urischemeowners_at_microsoft.com]
onenote-cmd                          prov/onenote-cmd                          onenote-cmd                          Provisional [urischemeowners_at_microsoft.com]
opaquelocktoken                                                                opaquelocktokent                     Permanent   [RFC4918]
openpgp4fpr                          prov/openpgp4fpr                          openpgp4fpr                          Provisional [Wiktor_Kwapisiewicz]
pack                                 historic/pack                             pack                                 Historical  [draft-shur-pack-uri-scheme]
palm                                 prov/palm                                 palm                                 Provisional [Dave_Thaler]
paparazzi                            prov/paparazzi                            paparazzi                            Provisional [Dave_Thaler]
payto                                prov/payto                                payto                                Provisional [draft-dold-payto]
pkcs11                                                                         PKCS#11                              Permanent   [RFC7512]
platform                             prov/platform                             platform                             Provisional [Dave_Thaler]
pop                                                                            Post Office Protocol v3              Permanent   [RFC2384]
pres                                                                           Presence                             Permanent   [RFC3859]
prospero                                                                       Prospero Directory Service           Historical  [RFC4157]
proxy                                prov/proxy                                proxy                                Provisional [Dave_Thaler]
pwid                                 prov/pwid                                 pwid                                 Provisional [Eld_Zierau]
psyc                                 prov/psyc                                 psyc                                 Provisional [Dave_Thaler]
qb                                   prov/qb                                   qb                                   Provisional [Jan_Pokorny]
query                                prov/query                                query                                Provisional [Dave_Thaler]
redis                                prov/redis                                redis                                Provisional [Chris_Rebert]
rediss                               prov/rediss                               rediss                               Provisional [Chris_Rebert]
reload                                                                         reload                               Permanent   [RFC6940]
res                                  prov/res                                  res                                  Provisional [Alexey_Melnikov]
resource                             prov/resource                             resource                             Provisional [Dave_Thaler]
rmi                                  prov/rmi                                  rmi                                  Provisional [Dave_Thaler]
rsync                                                                          rsync                                Provisional [RFC5781]
rtmfp                                prov/rtmfp                                rtmfp                                Provisional [RFC7425]
rtmp                                 prov/rtmp                                 rtmp                                 Provisional [Dave_Thaler]
rtsp                                                                           Real-Time Streaming Protocol (RTSP)  Permanent   [RFC2326][RFC7826]
rtsps                                                                          Real-Time Streaming Protocol (RTSP)  Permanent   [RFC2326][RFC7826]
                                                                               over TLS
rtspu                                                                          Real-Time Streaming Protocol (RTSP)  Permanent   [RFC2326]
                                                                               over unreliable datagram transport
secondlife                           prov/secondlife                           query                                Provisional [Dave_Thaler]
service                                                                        service location                     Permanent   [RFC2609]
session                                                                        session                              Permanent   [RFC6787]
sftp                                 prov/sftp                                 query                                Provisional [Dave_Thaler]
sgn                                  prov/sgn                                  sgn                                  Provisional [Dave_Thaler]
shttp                                                                          Secure Hypertext Transfer Protocol   Permanent   [RFC2660]
sieve                                                                          ManageSieve Protocol                 Permanent   [RFC5804]
simpleledger                         prov/simpleledger                         simpleledger                         Provisional [James_Cramer]
sip                                                                            session initiation protocol          Permanent   [RFC3261]
sips                                                                           secure session initiation protocol   Permanent   [RFC3261]
skype                                prov/skype                                skype                                Provisional [Alexey_Melnikov]
smb                                  prov/smb                                  smb                                  Provisional [Dave_Thaler]
sms                                                                            Short Message Service                Permanent   [RFC5724]
smtp                                 prov/smtp                                 smtp                                 Provisional [draft-melnikov-smime-msa-to-mda]
snews                                                                          NNTP over SSL/TLS                    Historical  [RFC5538]
snmp                                                                           Simple Network Management Protocol   Permanent   [RFC4088]
soap.beep                                                                      soap.beep                            Permanent   [RFC4227]
soap.beeps                                                                     soap.beeps                           Permanent   [RFC4227]
soldat                               prov/soldat                               soldat                               Provisional [Dave_Thaler]
spiffe                               prov/spiffe                               spiffe                               Provisional [Evan_Gilman]
spotify                              prov/spotify                              spotify                              Provisional [Dave_Thaler]
ssh                                  prov/ssh                                  ssh                                  Provisional [Dave_Thaler]
steam                                prov/steam                                steam                                Provisional [Dave_Thaler]
stun                                                                           stun                                 Permanent   [RFC7064]
stuns                                                                          stuns                                Permanent   [RFC7064]
submit                               prov/submit                               submit                               Provisional [draft-melnikov-smime-msa-to-mda]
svn                                  prov/svn                                  svn                                  Provisional [Dave_Thaler]
tag                                                                            tag                                  Permanent   [RFC4151]
teamspeak                            prov/teamspeak                            teamspeak                            Provisional [Dave_Thaler]
tel                                                                            telephone                            Permanent   [RFC3966]
teliaeid                             prov/teliaeid                             teliaeid                             Provisional [Peter_Lewandowski]
telnet                                                                         Reference to interactive sessions    Permanent   [RFC4248]
tftp                                                                           Trivial File Transfer Protocol       Permanent   [RFC3617]
things                               prov/things                               things                               Provisional [Dave_Thaler]
thismessage                          perm/thismessage                          multipart/related relative reference Permanent   [RFC2557]
                                                                               resolution
tip                                                                            Transaction Internet Protocol        Permanent   [RFC2371]
tn3270                                                                         Interactive 3270 emulation sessions  Permanent   [RFC6270]
tool                                 prov/tool                                 tool                                 Provisional [Matthias_Merkel]
turn                                                                           turn                                 Permanent   [RFC7065]
turns                                                                          turns                                Permanent   [RFC7065]
tv                                                                             TV Broadcasts                        Permanent   [RFC2838]
udp                                  prov/udp                                  udp                                  Provisional [Dave_Thaler]
unreal                               prov/unreal                               unreal                               Provisional [Dave_Thaler]
urn                                                                            Uniform Resource Names               Permanent   [RFC8141][IANA registry urn-namespaces]
ut2004                               prov/ut2004                               ut2004                               Provisional [Dave_Thaler]
v-event                              prov/v-event                              v-event                              Provisional [draft-menderico-v-event-uri]
vemmi                                                                          versatile multimedia interface       Permanent   [RFC2122]
ventrilo                             prov/ventrilo                             ventrilo                             Provisional [Dave_Thaler]
videotex                             historic/videotex                         videotex                             Historical  [draft-mavrakis-videotex-url-spec][RFC2122][RFC3986]
vnc                                                                            Remote Framebuffer Protocol          Permanent   [RFC7869]
view-source                          prov/view-source                          view-source                          Provisional [Mykyta_Yevstifeyev]
wais                                                                           Wide Area Information Servers        Historical  [RFC4156]
webcal                               prov/webcal                               webcal                               Provisional [Dave_Thaler]
wpid                                 prov/wpid                                 wpid                                 Historical  [Eld_Zierau]
ws                                                                             WebSocket connections                Permanent   [RFC6455]
wss                                                                            Encrypted WebSocket connections      Permanent   [RFC6455]
wtai                                 prov/wtai                                 wtai                                 Provisional [Dave_Thaler]
wyciwyg                              prov/wyciwyg                              wyciwyg                              Provisional [Dave_Thaler]
xcon                                                                           xcon                                 Permanent   [RFC6501]
xcon-userid                                                                    xcon-userid                          Permanent   [RFC6501]
xfire                                prov/xfire                                xfire                                Provisional [Dave_Thaler]
xmlrpc.beep                                                                    xmlrpc.beep                          Permanent   [RFC3529]
xmlrpc.beeps                                                                   xmlrpc.beeps                         Permanent   [RFC3529]
xmpp                                                                           Extensible Messaging and Presence    Permanent   [RFC5122]
                                                                               Protocol
xri                                  prov/xri                                  xri                                  Provisional [Dave_Thaler]
ymsgr                                prov/ymsgr                                ymsgr                                Provisional [Dave_Thaler]
z39.50                                                                         Z39.50 information access            Historical  [RFC1738][RFC2056]
z39.50r                                                                        Z39.50 Retrieval                     Permanent   [RFC2056]
z39.50s                                                                        Z39.50 Session                       Permanent   [RFC2056]

                                                                        People

                   ID                              Name               Organization                     Contact URI                     Last Updated
   [Alastair_Green]                   Alastair Green                                mailto:alastair.green&neotechnology.com.           2017-05-19
   [Alexey_Melnikov]                  Alexey Melnikov                               mailto:alexey.melnikov&isode.com                   2012-09-12
   [Alexander_Shishenko]              Alexander Shishenko                           mailto:alex&librevault.com                         2016-06-13
   [Bíró_Tamás]                       Bíró Tamás                                    mailto:tamas.biro&sensenet.com                     2014-05-16
   [Bob_Van_Zant]                     Bob Van Zant                                  mailto:bob&veznat.com                              2011-11-14
   [Chris_Rebert]                     Chris Rebert                                  mailto:iana.url.schemes&chrisrebert.com            2015-07-21
   [Christophe_Meessen]               Christophe Meessen                            mailto:uri-review&ditp.org                         2015-12-08
   [Corentin_Mercier]                 Corentin Mercier                              mailto:corentin&mercier.link                       2018-08-13
   [Dave_Thaler]                      Dave Thaler                                   mailto:dthaler&microsoft.com                       2016-08-05
   [Dennis_Schubert]                  Dennis Schubert                               mailto:mail&dennis-schubert.de                     2017-09-13
   [DLNA]                             DLNA                                          mailto:admin&dlna.org                              2012-01-04
   [Hans-Dieter_A._Hiep]              Hans-Dieter A. Hiep                           mailto:info&aexiz.com                              2015-08-05
   [Eld_Zierau]                       Eld Zierau                                    mailto:elzi&kb.dk                                  2016-12-01
   [Evan_Gilman]                      Evan Gilman                                   mailto:evan&scytale.io                             2018-02-23
   [Gaurav_Jain]                      Gaurav Jain                                   mailto:gjain&wi-fi.org                             2019-01-23
   [Ignacio_Losiggio]                 Ignacio Losiggio                              mailto:iglosiggio&gmail.com                        2017-05-09
   [James_Cramer]                     James Cramer                                  mailto:jcramer&deskviz.com                         2018-07-27
   [Jan_Pokorny]                      Jan Pokorny                                   mailto:jpokorny&redhat.com                         2016-09-20
   [Joe_Hildebrand]                   Joe Hildebrand                                mailto:jhildebrand&mozilla.com                     2017-01-20
   [Kimmo_Lindholm]                   Kimmo Lindholm                                mailto:kimmo.lindholm&eke.fi                       2018-06-06
   [Manu_Sporny]                      Manu Sporny                                   mailto:msporny&digitalbazaar.com                   2018-05-14
   [Matthias_Merkel]                  Matthias Merkel                               mailto:moritz30&moritz30.de                        2017-03-14
   [Michael_Hedenus]                  Michael Hedenus                               mailto:michael.hedenus&continental-corporation.com 2017-10-20
   [Mike_Pietraszak]                  Mike Pietraszak                               mailto:mikepie&microsoft.com                       2016-10-17
   [Mirko_Nosenzo]                    Mirko Nosenzo                                 mailto:mirko.n&incomedia.eu                        2013-09-20
   [Mongo_DB_Inc]                                                     Mongo DB, Inc https://www.mongodb.com/es/contact                 2017-05-09
   [Mykyta_Yevstifeyev]               Mykyta Yevstifeyev                            mailto:evnikita2&gmail.com                         2011-05-25
   [OCF_CoreTech_WG]                  Open Connectivity Foundation                  mailto:coretech_wg&openconnectivity.org            2017-06-07
                                      (OCF) CoreTech WG
                                      OMNA – Open Mobile Naming
   [OMA-OMNA]                         Authority of the Open Mobile                  mailto:OMA-OMNA&mail.openmobilealliance.org        2014-12-19
                                      Alliance
   [Peter_Lewandowski]                Peter Lewandowski                             mailto:peter.lewandowski&cygate.se                 2014-09-12
   [Peter_Saint-Andre]                Peter Saint-Andre                             mailto:stpeter&jabber.org                          2012-12-04
   [Peter_Waher]                      Peter Waher                                   mailto:peterwaher&hotmail.com                      2015-11-25
   [urischemeowners_at_microsoft.com] urischemeowners at                            mailto:urischemeowners&microsoft.com               2018-11-14
                                      microsoft.com
   [W3C_WebApps_Working_Group]        W3C WebApps Working Group                     mailto:public-webapps&w3.org                       2015-07-17
   [W3C_Credentials_Community_Group]  W3C Credentials Community Group               mailto:public-credentials&w3.org                   2018-05-14
   [Wiktor_Kwapisiewicz]              Wiktor Kwapisiewicz                           mailto:wiktor&metacode.biz                         2018-05-31
   [Wi-Fi_Alliance]                   Wi-Fi Alliance                                mailto:gjain&wi-fi.org                             2019-01-23

                                                                       Footnote

   [1] CoAP registers different URI schemes for accessing CoAP resources
       via different protocols. This approach runs counter to the WWW principle that a
       URI identifies a resource and that multiple URIs for identifying the same
       resource should be avoided [http://www.w3.org/TR/webarch/#avoid-uri-aliases].