<s>
The	O
Salmon	B-Protocol
Protocol	O
is	O
a	O
message	O
exchange	O
protocol	O
running	O
over	O
HTTP	B-Protocol
designed	O
to	O
decentralize	O
commentary	O
and	O
annotations	O
made	O
against	O
newsfeed	B-Application
articles	O
such	O
as	O
blog	O
posts	O
.	O
</s>
<s>
It	O
allows	O
a	O
single	O
discussion	O
thread	O
to	O
be	O
established	O
between	O
the	O
article	O
's	O
origin	O
and	O
any	O
feed	B-Application
reader	I-Application
or	O
"	O
aggregator	O
"	O
which	O
is	O
subscribing	O
to	O
the	O
content	O
.	O
</s>
<s>
The	O
origin	O
supplies	O
a	O
Salmon	B-Protocol
end	O
point	O
–	O
a	O
URL	O
in	O
the	O
metadata	O
of	O
an	O
RSS/Atom	O
(	O
standard	O
)	O
feed	O
.	O
</s>
<s>
Federated	O
social	O
networks	O
such	O
as	O
GNU	B-Protocol
Social	I-Protocol
and	O
Diaspora	O
use	O
Salmon	B-Protocol
as	O
defined	O
in	O
the	O
OStatus	B-Application
specification	O
to	O
coordinate	O
discussion	O
between	O
members	O
belonging	O
to	O
different	O
servers	O
.	O
</s>
<s>
A	O
member	O
of	O
one	O
server	O
can	O
publish	O
an	O
article	O
which	O
is	O
disseminated	O
to	O
other	O
users	O
over	O
the	O
network	O
via	O
Salmon	B-Protocol
who	O
in	O
turn	O
can	O
comment	O
back	O
in	O
a	O
similar	O
fashion	O
.	O
</s>
