Also, we guess that the DRM – digital rights management – was a beneficial addition though (among others, Sony was part of the club, and they have some use for DRM :-)). It was founded by CE industry brands to make connected devices work together a little easier. DLNA is – simply put – an extension of UPnP and ensures that licensed devices must comply with certain standards. Super… but basically not an audio streaming protocol…īut DLNA – Digital Living Network Alliance – has changed all that. And thanks to UPnP we know very quickly what is in the network, what the settings of the devices are and what they can do. Streamers, TVs, smart home hubs, computers, phones, tablets, vacuum cleaners, solar panels, you name it.
And more network devices talk to each other this way. This tells other devices in the network, for example, exactly what it is, that it is available, what its IP address is and on which port they can access it. UPnP makes discovery of network devices easy, so that a PC or other network device can quickly find a new device and know what it can do. Please note that UPnP is not necessarily intended for audio streaming. Partly because the infrastructure in the majority of homes is modern enough for it to work. Think of the router that really needs to be able to handle it.īut as is often the case: time heals all wounds and UPnP became better and better.
Not surprising: the majority of network equipment did not have the UPnP extension at all. because in the early days it was 100% uncertain if you were going to encounter the device on the network. UPnP stands for “Universal Plug and Play.” In practice, that came down to Universal Plug and Pray…. That didn’t really come until UPnP and DLNA (a sort of extension to UPnP). A while back, there weren’t very many good protocols to enable streaming audio – and video.
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