<s>
Media	B-Protocol
Redundancy	I-Protocol
Protocol	I-Protocol
(	O
MRP	O
)	O
is	O
a	O
data	O
network	O
protocol	O
standardized	O
by	O
the	O
International	O
Electrotechnical	O
Commission	O
as	O
IEC	O
62439-2	O
.	O
</s>
<s>
It	O
allows	O
rings	O
of	O
Ethernet	O
switches	O
to	O
overcome	O
any	O
single	O
failure	O
with	O
recovery	O
time	O
much	O
faster	O
than	O
achievable	O
with	O
Spanning	B-Protocol
Tree	I-Protocol
Protocol	I-Protocol
.	O
</s>
<s>
It	O
is	O
suitable	O
to	O
most	O
industrial	B-Protocol
Ethernet	I-Protocol
applications	O
.	O
</s>
<s>
MRP	O
is	O
supported	O
by	O
several	O
commercial	O
industrial	B-Protocol
Ethernet	I-Protocol
switches	O
.	O
</s>
<s>
MRP	O
information	O
is	O
sent	O
in	O
the	O
form	O
of	O
an	O
Ethernet	B-Protocol
frame	I-Protocol
,	O
with	O
the	O
EtherType	B-Protocol
field	O
set	O
to	O
0x88E3	O
.	O
</s>
<s>
The	O
frames	O
are	O
built	O
by	O
Type	B-Protocol
–	I-Protocol
length	I-Protocol
–	I-Protocol
value	I-Protocol
(	O
TLV	O
)	O
structures	O
,	O
allowing	O
organizationally	O
specific	O
information	O
.	O
</s>
