<s>
In	O
computer	B-Architecture
networking	I-Architecture
,	O
the	O
Tunnel	B-Protocol
Setup	I-Protocol
Protocol	I-Protocol
(	O
TSP	O
)	O
is	O
an	O
experimental	O
networking	O
control	O
protocol	O
used	O
to	O
negotiate	O
IP	B-Protocol
tunnel	I-Protocol
setup	O
parameters	O
between	O
a	O
tunnel	O
client	O
host	O
and	O
a	O
tunnel	B-Protocol
broker	I-Protocol
server	O
,	O
the	O
tunnel	O
end-points	O
.	O
</s>
<s>
A	O
major	O
use	O
of	O
TSP	O
is	O
in	O
IPv6	B-Protocol
transition	I-Protocol
mechanisms	I-Protocol
.	O
</s>
<s>
A	O
TSP	O
session	O
is	O
initiated	O
by	O
the	O
TSP	O
client	O
in	O
the	O
goal	O
of	O
establishing	O
an	O
end-to-end	O
tunnel	O
with	O
the	O
TSP	O
server	O
(	O
tunnel	B-Protocol
broker	I-Protocol
)	O
.	O
</s>
<s>
The	O
session	O
consists	O
of	O
a	O
basic	O
exchange	O
of	O
XML-encoded	O
data	O
using	O
TCP	O
or	O
UDP	O
.	O
</s>
