User Location Service
Encyclopedia
In computing
, User Location Service was a standards-based protocol for directory services and presence information, first submitted as a draft to the IETF
in February 1996.
Client software supporting ULS included early versions of Microsoft Netmeeting
, Intel Video Phone and FreeWebFone. Netmeeting had depreciated ULS in favour of Internet Locator Service by 1997 and FreeWebFone no longer exists.
A ULS server provides directory services and presence lookup for clients. At one stage, public ULS servers were made available by Microsoft
and others, but these have largely been abandoned.
ULS typically runs on the TCP
port
522.
Computing
Computing is usually defined as the activity of using and improving computer hardware and software. It is the computer-specific part of information technology...
, User Location Service was a standards-based protocol for directory services and presence information, first submitted as a draft to the IETF
Internet Engineering Task Force
The Internet Engineering Task Force develops and promotes Internet standards, cooperating closely with the W3C and ISO/IEC standards bodies and dealing in particular with standards of the TCP/IP and Internet protocol suite...
in February 1996.
Client software supporting ULS included early versions of Microsoft Netmeeting
Microsoft NetMeeting
Microsoft NetMeeting was a VoIP and multi-point videoconferencing client included in many versions of Microsoft Windows . It used the H.323 protocol for video and audio conferencing, and was interoperable with OpenH323-based clients such as Ekiga, and Internet Locator Service as reflector...
, Intel Video Phone and FreeWebFone. Netmeeting had depreciated ULS in favour of Internet Locator Service by 1997 and FreeWebFone no longer exists.
A ULS server provides directory services and presence lookup for clients. At one stage, public ULS servers were made available by Microsoft
Microsoft
Microsoft Corporation is an American public multinational corporation headquartered in Redmond, Washington, USA that develops, manufactures, licenses, and supports a wide range of products and services predominantly related to computing through its various product divisions...
and others, but these have largely been abandoned.
ULS typically runs on the TCP
Transmission Control Protocol
The Transmission Control Protocol is one of the core protocols of the Internet Protocol Suite. TCP is one of the two original components of the suite, complementing the Internet Protocol , and therefore the entire suite is commonly referred to as TCP/IP...
port
Port
A port is a location on a coast or shore containing one or more harbors where ships can dock and transfer people or cargo to or from land....
522.