Thomas Kunz
Systems and Computer Engineering
60
SDP – Service Discovery Protocol
nInquiry/response
protocol for discovering services
–Searching
for and browsing services in radio proximity
–Adapted
to the highly dynamic environment
–Can
be complemented by others like SLP, Jini, Salutation, …
–Defines
discovery only, not the usage of services
–Caching
of discovered services
–Gradual
discovery
nService
record format
–Information
about services provided by attributes
–Attributes
are composed of an 16 bit ID (name) and a value
–values may be derived from 128 bit Universally Unique
Identifiers (UUID)