<s>
and	O
can	O
be	O
combined	O
with	O
conventional	O
IP	O
routing	O
to	O
achieve	O
the	O
higher	O
flexibility	O
than	O
another	O
pipeline	B-Protocol
forwarding	I-Protocol
implementation	O
known	O
as	O
time-driven	B-Protocol
switching	I-Protocol
(	O
TDS	O
)	O
or	O
fractional	B-Protocol
lambda	I-Protocol
switching	I-Protocol
(	O
FλS	O
)	O
.	O
</s>
<s>
Operation	O
in	O
accordance	O
to	O
pipeline	B-Protocol
forwarding	I-Protocol
principles	O
ensures	O
deterministic	O
quality	O
of	O
service	O
and	O
low	O
complexity	O
packet	O
scheduling	O
.	O
</s>
