DLNA UPnP Support

AirGroup supports DLNA Digital Living Network Alliance. DLNA is a set of interoperability guidelines for sharing digital media among multimedia devices. , a network standard that is derived from UPnP Universal Plug and Play. UPnp is a set of networking protocols that permits networked devices, such as personal computers, printers, Internet gateways, Wi-Fi APs, and mobile devices to seamlessly discover each other's presence on the network and establish functional network services for data sharing, communications, and entertainment. in addition to the mDNS Multicast Domain Name System. mDNS provides the ability to perform DNS-like operations on the local link in the absence of any conventional unicast DNS server. The mDNS protocol uses IP multicast User Datagram Protocol (UDP) packets, and is implemented by the Apple Bonjour and Linux NSS-mDNS services. mDNS works in conjunction with DNS Service Discovery (DNS-SD), a companion zero-configuration technique specified. See RFC 6763. protocol.

Cache refresh mechanism is not required for DLNA Digital Living Network Alliance. DLNA is a set of interoperability guidelines for sharing digital media among multimedia devices. , as the DLNA Digital Living Network Alliance. DLNA is a set of interoperability guidelines for sharing digital media among multimedia devices. devices advertise their service periodically.