illustrat
are as
upgrad
go from
hardwa
it is thi
of netw
The
introdu
seen th
The siz
and the
physica
known
on nu
process
A set
specifi
Figure
ted by Figur
they are, an
e the hardwa
m using route
are. Thus, t
is solution w
working.
e virtualizat
uction of so
hroughout th
ze of the dev
e technolog
al node is
as software
umerous par
sor, the ava
of softwa
c applicatio
8.9.
re 8.8. The n
nd if we wis
are, and if w
ers to using s
there is no
which has bee
Figure 8.8.
tion of netw
oftware netw
his book, of
vices can be
ies used can
used to ac
e nodes. Th
rameters, s
ilable memo
are network
ons. This ca
Concretization
nodes are not
sh to increas
we want to c
switches – ag
flexibility
en employed
A hardware n
work equip
works. Thes
ffer a very h
adapted to t
n very easil
ccommodate
e number o
such as the
ory space, th
ks can be
ategory of n
n and Morphwar
t in the least
se their powe
hange techn
gain we need
in this solu
d practically
network
pment has f
se networks
high degree
the traffic on
ly be chang
e multiple v
f software n
e power o
he input/out
put in pl
networks is
re Networks 2
t bit agile; th
er, we need
ology – e.g.
d to change t
ution, and y
since the daw
facilitated t
s, as we ha
of flexibili
n the networ
ged. The sam
virtual nod
nodes depen
of the node
tput ports, e
lace to ser
illustrated
221
hey
to
to
the
yet
wn
the
ave
ty.
rk,
me
es,
nds
e’s
etc.
rve
in
www.it-ebooks.info
Précédent

- 245/262

Suivant