Industrial Communication Systems

51-6 Industrial Communication Systems

e reader should keep in mind that 6LoWPAN networks will not take the role of transit networks.

Moreover, 6LoWPANs are applied as the sensing parts placed at the edges of existing networks

(seeFigure 51.4). Hence, routers connecting 6LoWPANs and IPv6 networks are called edge routers.

To

deploy

IPv6

on

802.15.4,

6LoWPAN

concentrates

on

two

major

points:

fragmentation

and

header

compression.

For

a

comprehensive

specication,

6LoWPAN

also

includes

rules

for

stateless

address

autoconguration,

address mapping, and security.

Stateless Address Autoconguration.

Because

of

the

expected

high

number

of