<s>
A	O
LocalTalk-to-Ethernet	B-Protocol
Bridge	I-Protocol
is	O
a	O
network	B-Protocol
bridge	I-Protocol
that	O
joins	O
the	O
physical	B-Application
layer	I-Application
of	O
the	O
AppleTalk	B-Application
networking	O
used	O
by	O
previous	O
generations	O
of	O
Apple	O
Computer	O
products	O
to	O
an	O
Ethernet	O
network	O
.	O
</s>
<s>
Some	O
LocalTalk-to-Ethernet	O
Bridges	O
only	O
performed	O
Appletalk	B-Application
bridging	B-Protocol
.	O
</s>
<s>
One	O
example	O
was	O
the	O
MacIP	B-Protocol
system	O
that	O
allowed	O
LocalTalk-based	O
Macs	O
to	O
send	O
and	O
receive	O
TCP/IP	B-Protocol
(	O
internet	O
)	O
packets	O
using	O
the	O
bridges	O
as	O
a	O
go-between	O
.	O
</s>
<s>
Software	O
in	O
MacTCP	B-Operating_System
era	O
(	O
<	O
1995	O
)	O
:	O
</s>
<s>
Software	O
in	O
Open	B-Protocol
Transport	I-Protocol
era	O
(	O
>1995	O
)	O
:	O
</s>
