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Simple Service Discovery Protocol (SSDP) is an expired IETF Internet draft by Microsoft and Hewlett-Packard. SSDP is the basis of the discovery protocol of Universal plug-and-play.
SSDP provides a mechanism which network clients can use to discover network services. Clients can use SSDP with little or no static configuration.
SSDP uses UDP unicast and multicast packets to advertise available services. The multicast address used is 239.255.255.250 in IPv4. SSDP over IPv6 uses the following multicast addresses, depending on scope:
- Node-local: [FF01::C]
- Link-local: [FF02::C]
- Site-local: [FF05::C]
- Organization-local: [FF08::C]
- Global: [FF0E::C]
SSDP uses port 1900.
See also
- Service Location Protocol
- JINI
- Zeroconf
- iSSDPTester is an iPhone application that can be used for testing SSDP clients and servers
External links
- IETF draft revision 3 (outdated and expired)
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