<s>
Highest	B-Operating_System
response	I-Operating_System
ratio	I-Operating_System
next	I-Operating_System
(	O
HRRN	B-Operating_System
)	O
scheduling	O
is	O
a	O
non-preemptive	O
discipline	O
.	O
</s>
<s>
It	O
was	O
developed	O
by	O
Brinch	O
Hansen	O
as	O
modification	O
of	O
shortest	B-Operating_System
job	I-Operating_System
next	I-Operating_System
or	O
shortest	B-Operating_System
job	I-Operating_System
first	I-Operating_System
(	O
SJN	O
or	O
SJF	O
)	O
to	O
mitigate	O
the	O
problem	O
of	O
process	B-Operating_System
starvation	I-Operating_System
.	O
</s>
<s>
So	O
,	O
this	O
algorithm	O
solves	O
the	O
starvation	B-Operating_System
problem	O
that	O
exists	O
in	O
SJN	O
scheduling	O
algorithm	O
.	O
</s>
