Web Services Dynamic Discovery (WS-Discovery) is a technical specification that defines a

multicast In computer networking, multicast is group communication where data transmission is addressed to a group of destination computers simultaneously. Multicast can be one-to-many or many-to-many distribution. Multicast should not be confused wi ...

discovery protocol to locate services on a local network. It operates over TCP and UDP port 3702 and uses

IP multicast IP multicast is a method of sending Internet Protocol (IP) datagrams to a group of interested receivers in a single transmission. It is the IP-specific form of multicast and is used for streaming media and other network applications. It uses speci ...

address or . As the name suggests, the actual communication between nodes is done using web services standards, notably SOAP-over-UDP. Various components in Microsoft's

Windows Vista Windows Vista is a major release of the Windows NT operating system developed by Microsoft. It was the direct successor to Windows XP, which was released five years before, at the time being the longest time span between successive releases of ...

operating system use WS-Discovery, e.g. "People near me". The component WSDMON in

Windows 7 Windows 7 is a major release of the Windows NT operating system developed by Microsoft. It was Software release life cycle#Release to manufacturing (RTM), released to manufacturing on July 22, 2009, and became generally available on October 22, ...

and later uses WS-Discovery to automatically discover WSD-enabled network printers, which show in Network in Windows Explorer, and can be installed by double-clicking on them. In

Windows 8 Windows 8 is a major release of the Windows NT operating system developed by Microsoft. It was released to manufacturing on August 1, 2012; it was subsequently made available for download via MSDN and TechNet on August 15, 2012, and later to ...

or later installation is automatic. WS-Discovery is enabled by default in networked HP printers since 2008. WS-Discovery is an integral part of

Windows Rally Windows Rally is a set of technologies from Microsoft intended to simplify the setup and maintenance of wired and wireless network-connected devices. They aim to increase reliability and security of connectivity for users who connect the devices ...

technologies and Devices Profile for Web Services. The protocol was originally developed by

BEA Systems BEA Systems, Inc. was a company that specialized in enterprise infrastructure software products which was wholly acquired by Oracle Corporation on April 29, 2008. History BEA began as a software company, founded in 1995 and headquartered in ...

, Canon,

Intel Intel Corporation is an American multinational corporation and technology company headquartered in Santa Clara, California. It is the world's largest semiconductor chip manufacturer by revenue, and is one of the developers of the x86 ser ...

Microsoft Microsoft Corporation is an American multinational technology corporation producing computer software, consumer electronics, personal computers, and related services headquartered at the Microsoft Redmond campus located in Redmond, Washi ...

, and WebMethods. On July 1, 2009 it was approved as a standard by

OASIS In ecology, an oasis (; ) is a fertile area of a desert or semi-desert environment'ksar''with its surrounding feeding source, the palm grove, within a relational and circulatory nomadic system.” The location of oases has been of critical imp ...

References

External links

Where to find Web Services on the WebWS-Discovery specification version 1.0 (2005/04)WS-Discovery specification version 1.1 Draft (2008/09)WS-Discovery specification version 1.1 Final (2009/01)
Windows communication and services Web service specifications Web services XML-based standards {{compu-network-stub

See also

References

External links