<s>
Border	B-Protocol
Gateway	I-Protocol
Protocol	I-Protocol
Security	O
(	O
BGPsec	B-Protocol
)	O
is	O
a	O
security	O
extension	O
of	O
the	O
Border	B-Protocol
Gateway	I-Protocol
Protocol	I-Protocol
defined	O
in	O
RFC	O
8205	O
,	O
published	O
in	O
September	O
2017	O
.	O
</s>
<s>
BGPsec	B-Protocol
provides	O
to	O
receivers	O
of	O
valid	O
BGPsec	B-Protocol
UPDATE	O
messages	O
cryptographic	O
verification	O
of	O
the	O
routes	O
they	O
advertise	O
.	O
</s>
<s>
BGPsec	B-Protocol
replaces	O
the	O
BGP	B-Protocol
AS_PATH	O
attribute	O
with	O
a	O
new	O
BGPsec_Path	O
attribute	O
.	O
</s>
