Applications Area

Legend (Adoption summary: ++:essential, +:useful, 0:pending, -:minor, --:failure / >:derivations)

Technology / ServiceDescriptionIETF OriginYears to DevelopDate IssuedUsageTarget SegmentInstancesRFCsComments
IDNADNS Internationalizationy 2003--
POP3Email downloady 1988++End-user mail 1081, 1082, 2449
MIMEStructured multi-media content packagingy21992++>End-user mail & web 1341-44
Extended SMTPExtensions and extensions framework for mail transfery41993++>Mail ops 1425-27
IMAP4Email storage accessy 1994++End-user mail 1730-33(2060-61, 3501)Slightly less widespread than POP3
LDAPDirectory servicesy? ++>?Enterprise infrastructure 1777, 3377WAN use anticipated, but uncommon
HTTPWeb transfer protocoln.1997++>End-user web 1945, 2068, 2616
SieveEmail filteringy32001+End-user mail 3028(5228)Lots of extension to the base protocol exist
SubmitInitial email posting from UA to MSAy 1998++Email user 2476, 4409
SASL Authentication frameworky3? (from RFC 1730)1997++ 2222(4422)Originally defined in RFC 1730
ACAP -
IMPP --
HTTP authentication --
AtomFeed formatn 2005+End-user 4287
AtomPubFeed publishing APIy 2007-End-user 5023
iCalendarCalendaring & Scheduling data format and protocol 1998+ 5545(2445), 5546(2446), 2447
vCardContacts data format 1998++ 2245, 2246
URIWeb Identifiersn 1998++ 1738, 2396, 3986
IRIWeb Identifiersn 20050 3987
IPP +
WebDAVHTTP-based authoring/versioningy 1999+ 4918(2518), 3253, 3744
CalDAVWebDAV/iCalendar-based calendaring & schedulingy 2007+ List of Implementations4791
MetalinkDownload repair and failovern220100 File transfer appsList of Implementations5854