<s>
Resource	B-Protocol
Reservation	I-Protocol
Protocol	I-Protocol
-	O
Traffic	O
Engineering	O
(	O
RSVP-TE	B-Protocol
)	O
is	O
an	O
extension	O
of	O
the	O
Resource	B-Protocol
Reservation	I-Protocol
Protocol	I-Protocol
(	O
RSVP	B-Protocol
)	O
for	O
traffic	O
engineering	O
.	O
</s>
<s>
It	O
supports	O
the	O
reservation	O
of	O
resources	O
across	O
an	O
IP	B-Protocol
network	I-Protocol
.	O
</s>
<s>
Applications	O
running	O
on	O
IP	O
end	O
systems	O
can	O
use	O
RSVP	B-Protocol
to	O
indicate	O
to	O
other	O
nodes	O
the	O
nature	O
(	O
bandwidth	O
,	O
jitter	O
,	O
maximum	O
burst	O
,	O
and	O
so	O
forth	O
)	O
of	O
the	O
packet	B-Protocol
streams	O
they	O
want	O
to	O
receive	O
.	O
</s>
<s>
RSVP	B-Protocol
runs	O
on	O
both	O
IPv4	B-Protocol
and	O
IPv6	B-Protocol
.	O
</s>
<s>
RSVP-TE	B-Protocol
generally	O
allows	O
the	O
establishment	O
of	O
Multiprotocol	B-Protocol
Label	I-Protocol
Switching	I-Protocol
(	O
MPLS	B-Protocol
)	O
label-switched	O
paths	O
(	O
LSPs	O
)	O
,	O
taking	O
into	O
consideration	O
network	O
constraint	O
parameters	O
such	O
as	O
available	O
bandwidth	O
and	O
explicit	O
hops	B-Protocol
.	O
</s>
<s>
,	O
the	O
Internet	O
Engineering	O
Task	O
Force	O
(	O
IETF	O
)	O
MPLS	B-Protocol
working	O
group	O
deprecated	O
Constraint-based	B-Protocol
Routing	I-Protocol
Label	I-Protocol
Distribution	I-Protocol
Protocol	I-Protocol
(	O
CR-LDP	B-Protocol
)	O
and	O
decided	O
to	O
focus	O
purely	O
on	O
RSVP-TE	B-Protocol
.	O
</s>
<s>
Operational	O
overhead	O
of	O
RSVP-TE	B-Protocol
compared	O
to	O
the	O
more	O
widely	O
deployed	O
Label	B-Protocol
Distribution	I-Protocol
Protocol	I-Protocol
(	O
LDP	O
)	O
will	O
generally	O
be	O
higher	O
.	O
</s>
