<s>
MyriaNed	B-Protocol
is	O
a	O
wireless	B-Architecture
sensor	I-Architecture
network	I-Architecture
(	O
WSN	B-Architecture
)	O
platform	O
developed	O
by	O
DevLab	O
.	O
</s>
<s>
Each	O
message	O
is	O
repeated	O
and	O
duplicated	O
towards	O
all	O
nodes	B-Protocol
that	O
span	O
the	O
network	O
;	O
it	O
spreads	O
like	O
a	O
virus	O
(	O
hence	O
the	O
term	O
epidemic	O
communication	O
)	O
.	O
</s>
<s>
First	O
,	O
the	O
nodes	B-Protocol
do	O
not	O
need	O
to	O
know	O
who	O
is	O
in	O
their	O
neighbourhood	O
at	O
the	O
time	O
of	O
sending	O
a	O
message	O
,	O
there	O
is	O
no	O
notion	O
of	O
an	O
a-priori	O
planned	O
Routing	B-Protocol
,	O
data	O
is	O
just	O
shared	O
instantaneously	O
.	O
</s>
<s>
The	O
loss	O
of	O
a	O
message	O
between	O
two	O
nodes	B-Protocol
does	O
not	O
mean	O
that	O
the	O
data	O
is	O
lost	O
.	O
</s>
<s>
Nodes	B-Protocol
can	O
be	O
added	O
,	O
removed	O
or	O
may	O
be	O
physically	O
moving	O
without	O
the	O
need	O
to	O
reconfigure	O
the	O
network	O
.	O
</s>
<s>
The	O
GOSSIP	B-Application
protocol	O
is	O
a	O
self-configuring	O
network	O
solution	O
.	O
</s>
<s>
The	O
network	O
may	O
even	O
be	O
heterogeneous	O
,	O
where	O
several	O
types	O
of	O
nodes	B-Protocol
communicate	O
different	O
pieces	O
of	O
information	O
with	O
each	O
other	O
at	O
the	O
same	O
time	O
.	O
</s>
<s>
This	O
is	O
possible	O
due	O
to	O
the	O
fact	O
that	O
no	O
interpretation	O
of	O
the	O
message	O
content	O
is	O
required	O
in	O
order	O
to	O
be	O
able	O
to	O
forward	O
it	O
to	O
other	O
nodes	B-Protocol
.	O
</s>
<s>
Furthermore	O
,	O
MyriaNed	B-Protocol
is	O
enabled	O
to	O
update	O
the	O
wireless	B-Architecture
sensor	I-Architecture
nodes	B-Protocol
software	O
by	O
means	O
of	O
“	O
over	O
the	O
air	O
”	O
programming	O
of	O
a	O
deployed	O
network	O
.	O
</s>
<s>
Traditionally	O
radio	O
communication	O
is	O
organized	O
according	O
to	O
the	O
master-slave	B-Operating_System
philosophy	O
.	O
</s>
<s>
The	O
way	O
two	O
nodes	B-Protocol
communicate	O
is	O
point-to-point	O
.	O
</s>
<s>
This	O
is	O
the	O
inspiration	O
for	O
MyriaNed	B-Protocol
in	O
a	O
nutshell	O
.	O
</s>
<s>
Together	O
these	O
three	O
inspirations	O
led	O
to	O
the	O
development	O
of	O
the	O
MyriaNed	B-Protocol
platform	O
.	O
</s>
<s>
There	O
is	O
no	O
master-slave	B-Operating_System
structure	O
in	O
the	O
network	O
rather	O
each	O
node	O
is	O
hierarchically	O
equal	O
.	O
</s>
<s>
MyriaNed	B-Protocol
uses	O
biological	O
routing	B-Protocol
which	O
is	O
random	O
and	O
independent	O
of	O
the	O
function	O
of	O
the	O
node	O
.	O
</s>
<s>
Nodes	B-Protocol
that	O
are	O
newly	O
added	O
to	O
the	O
network	O
can	O
utilize	O
this	O
shared	O
state	O
to	O
instantaneously	O
adapt	O
and	O
contribute	O
to	O
the	O
network	O
functionality	O
.	O
</s>
<s>
This	O
makes	O
it	O
possible	O
that	O
a	O
MyriaNed	B-Protocol
network	O
can	O
scale	O
far	O
beyond	O
the	O
limits	O
of	O
currently	O
available	O
WSN	B-Architecture
technologies	O
.	O
</s>
<s>
In	O
order	O
to	O
reduce	O
the	O
energy	O
consumption	O
of	O
the	O
nodes	B-Protocol
in	O
the	O
network	O
duty	O
cycling	O
is	O
used	O
.	O
</s>
<s>
This	O
means	O
that	O
nodes	B-Protocol
communicate	O
periodically	O
,	O
and	O
go	O
to	O
standby	O
mode	O
in	O
a	O
large	O
part	O
of	O
the	O
period	O
in	O
order	O
to	O
preserve	O
energy	O
.	O
</s>
<s>
In	O
order	O
to	O
communicate	O
the	O
nodes	B-Protocol
need	O
to	O
wake	O
up	O
at	O
the	O
same	O
time	O
,	O
therefore	O
they	O
have	O
a	O
built-in	O
synchronization	O
mechanism	O
.	O
</s>
<s>
The	O
concept	O
of	O
MyriaNed	B-Protocol
is	O
however	O
not	O
restricted	O
to	O
these	O
frequencies	O
.	O
</s>
<s>
From	O
the	O
previous	O
characteristics	O
of	O
MyriaNed	B-Protocol
it	O
can	O
be	O
derived	O
that	O
it	O
uses	O
a	O
true	O
mesh	O
topology	O
.	O
</s>
<s>
There	O
is	O
no	O
notion	O
of	O
a	O
coordinator	O
or	O
network	O
manager	O
entity	O
compared	O
to	O
technologies	O
such	O
as	O
Zigbee	B-Protocol
or	O
WirelessHART	B-Device
.	O
</s>
<s>
When	O
MyriaNed	B-Protocol
is	O
used	O
for	O
specific	O
applications	O
,	O
the	O
ultimate	O
implementation	O
is	O
based	O
on	O
a	O
large	O
set	O
of	O
autonomous	O
devices	O
which	O
make	O
their	O
own	O
autonomous	O
decisions	O
(	O
e.g.	O
</s>
<s>
The	O
sum	O
of	O
all	O
individual	O
behaviors	O
of	O
the	O
network	B-Protocol
nodes	I-Protocol
reflect	O
the	O
emergent	O
behavior	O
of	O
the	O
system	O
as	O
a	O
whole	O
,	O
which	O
is	O
the	O
systems	O
application	O
.	O
</s>
<s>
MyriaNed	B-Protocol
has	O
an	O
extremely	O
small	O
stack	O
,	O
uses	O
low	O
calculation	O
power	O
and	O
does	O
not	O
need	O
a	O
large	O
amount	O
of	O
energy	O
.	O
</s>
<s>
Therefore	O
,	O
it	O
can	O
be	O
run	O
on	O
a	O
simple	O
microcontroller	B-Architecture
and	O
small	O
sized	O
battery	O
.	O
</s>
<s>
DevLab	O
members	O
work	O
with	O
a	O
single	O
chip	O
solution	O
in	O
which	O
the	O
radio	O
and	O
microcontroller	B-Architecture
are	O
integrated	O
.	O
</s>
<s>
Installation	O
and	O
expansion	O
of	O
networks	O
using	O
the	O
MyriaNed	B-Protocol
protocol	O
is	O
very	O
cost	O
efficient	O
as	O
well	O
.	O
</s>
<s>
There	O
is	O
no	O
need	O
for	O
addressing	O
and	O
the	O
information	O
in	O
the	O
network	O
is	O
synchronized	O
over	O
time	O
with	O
added	O
nodes	B-Protocol
.	O
</s>
<s>
Because	O
of	O
the	O
structure	O
of	O
MyriaNed	B-Protocol
there	O
is	O
no	O
need	O
for	O
different	O
profiles	O
for	O
market	O
applications	O
.	O
</s>
<s>
Every	O
DevLab	O
member	O
is	O
free	O
to	O
use	O
MyriaNed	B-Protocol
in	O
whatever	O
market	O
they	O
want	O
.	O
</s>
<s>
Chess	O
Wise	O
,	O
one	O
of	O
the	O
companies	O
behind	O
DEVLAB	O
,	O
used	O
the	O
MyriaNED	B-Protocol
technology	O
as	O
an	O
early	O
base	O
for	O
Mymesh	O
,	O
their	O
network	O
protocol	O
.	O
</s>
