Simple Service Discovery Protocol (SSDP)
Install via npm
$ npm install --save net-ssdp
var SSDP = require( 'net-ssdp' )
var discovery = new SSDP.Discovery({
reuseAddr: true,
interfaces: { ... }
})
discovery.announce( service[, interfaces][, callback] )
discovery.publish( service[, interfaces][, callback] )