!!! Overview
[{$pagename}] ([WS-Discovery]) is a technical [WS-Specifications] that defines a [multicast] [Discovery Mechanism] [protocol] to locate services on a [Local Area Network]. 

[{$pagename}] operates over [TCP] and [UDP] port 3702 and uses [IP] [multicast] address 239.255.255.250. 

[{$pagename}] 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 operating system use WS-Discovery, e.g. "People near me". WS-Discovery is an integral part of Windows Rally technologies and Devices Profile for Web Services.

[{$pagename}] is the component WSDMON in [Windows 7] and later [Windows Clients] 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] or later installation is automatic. WS-Discovery is enabled by default in networked HP printers since circa 2008.!! More Information
There might be more information for this subject on one of the following:
[{ReferringPagesPlugin before='*' after='\n' }]
----
* [#1] - [WS-Discovery|Wikipedia:WS-Discovery|target='_blank'] - based on information obtained 2017-09-19 
* [#2] - [WS-Discovery Specification Compliance|https://docs.microsoft.com/en-us/windows/win32/wsdapi/ws-discovery-specification-compliance|target='_blank'] - based on information obtained 2019-09-19