<s>
Service	B-Protocol
discovery	I-Protocol
is	O
the	O
process	O
of	O
automatically	O
detecting	O
devices	O
and	O
services	O
on	O
a	O
computer	B-Architecture
network	I-Architecture
.	O
</s>
<s>
A	O
service	B-Protocol
discovery	I-Protocol
protocol	I-Protocol
(	O
SDP	O
)	O
is	O
a	O
network	O
protocol	O
that	O
helps	O
accomplish	O
service	B-Protocol
discovery	I-Protocol
.	O
</s>
<s>
Service	B-Protocol
discovery	I-Protocol
aims	O
to	O
reduce	O
the	O
configuration	O
efforts	O
required	O
by	O
users	O
and	O
administrators	O
.	O
</s>
<s>
Service	B-Protocol
discovery	I-Protocol
requires	O
a	O
common	O
language	O
to	O
allow	O
software	O
agents	O
to	O
make	O
use	O
of	O
one	O
another	O
's	O
services	O
without	O
the	O
need	O
for	O
continuous	O
user	O
intervention	O
.	O
</s>
<s>
There	O
are	O
many	O
service	B-Protocol
discovery	I-Protocol
protocols	I-Protocol
,	O
including	O
:	O
</s>
<s>
Jini	B-Language
for	O
Java	B-Language
objects	O
.	O
</s>
<s>
Link	B-Protocol
Layer	I-Protocol
Discovery	I-Protocol
Protocol	I-Protocol
(	O
LLDP	B-Protocol
)	O
standards-based	O
neighbor	O
discovery	O
protocol	O
similar	O
to	O
vendor-specific	O
protocols	O
which	O
find	O
each	O
other	O
by	O
advertising	O
to	O
vendor-specific	O
broadcast	O
addresses	O
(	O
versus	O
all-1	O
'	O
s	O
)	O
,	O
such	O
Cabletron	O
(	O
Enterasys	O
)	O
and	O
Cisco	O
Discovery	O
Protocol	O
(	O
both	O
referred	O
to	O
as	O
CDP	O
but	O
different	O
formats	O
)	O
.	O
</s>
<s>
Multicast	B-Protocol
Source	I-Protocol
Discovery	I-Protocol
Protocol	I-Protocol
(	O
MSDP	B-Protocol
)	O
,	O
usually	O
used	O
for	O
unicast	O
exchange	O
of	O
multicast	O
source	O
information	O
between	O
anycast	O
Rendez-Vous	O
Points	O
(	O
RPs	O
)	O
to	O
service	O
mcast	O
clients	O
.	O
</s>
