Simple Service Discovery Protocol (SSDP) Library for Android
SSDP is used as the discovery protocol for Universal Plug and Play (UPnP).
Use Case:
- Discover all Sonos (UPnP) speakers on the current WiFi network
How:
- Send M-SEARCH request via Multicast UDP
- Receive Unicast UDP response from compatible devices
References:
- https://tools.ietf.org/html/draft-cai-ssdp-v1-03#section-2.2.1
- http://www.upnp.org/specs/arch/UPnP-arch-DeviceArchitecture-v1.1.pdf
