<s>
Key-based	B-Protocol
routing	I-Protocol
(	O
KBR	O
)	O
is	O
a	O
lookup	O
method	O
used	O
in	O
conjunction	O
with	O
distributed	B-Operating_System
hash	I-Operating_System
tables	I-Operating_System
(	O
DHTs	O
)	O
and	O
certain	O
other	O
overlay	B-Architecture
networks	I-Architecture
.	O
</s>
