<s>
In	O
computer	B-Architecture
networking	I-Architecture
,	O
delay-gradient	B-Algorithm
congestion	I-Algorithm
control	I-Algorithm
refers	O
to	O
a	O
class	O
of	O
congestion	O
control	O
algorithms	O
,	O
which	O
react	O
to	O
the	O
differences	O
in	O
round-trip	O
delay	O
time	O
(	O
RTT	O
)	O
,	O
as	O
opposed	O
to	O
classical	O
congestion	O
control	O
methods	O
,	O
which	O
react	O
to	O
packet	B-Protocol
loss	I-Protocol
or	O
an	O
RTT	O
threshold	O
being	O
exceeded	O
.	O
</s>
<s>
Such	O
algorithms	O
include	O
CAIA	B-Algorithm
Delay-Gradient	I-Algorithm
(	O
CDG	O
)	O
and	O
TIMELY	B-Algorithm
.	O
</s>
