5
- (SDN) , , . :
- ;
- , ;
- ;
- .
SDN
, - - ( ) ( ) ( OpenFlow) , .
SDN- NFV , :
| , | ||
SDN- SDN-, ( , - ).
.
Mininet
, , Python. , , . .
| , , , SDN OpenFlow 1.3, | , Python Linux, |
Estinet
, Estinet, . , .
| , , LTE Wi-Fi | , , , |
Python Mininet:
#
Topo.__init__( self, **opts )
# , -
S1 = self.addSwitch( 's0' ) S2 = self.addSwitch( 's1' ) S3 = self.addSwitch( 's2' ) S4 = self.addSwitch( 's3' ) S5 = self.addSwitch( 's4' ) S6 = self.addSwitch( 's5' ) S7 = self.addSwitch( 's6' ) S8 = self.addSwitch( 's7' ) S9 = self.addSwitch( 's8' ) S10= self.addSwitch( 's9' ) S11= self.addSwitch( 's10')
# - ( )
H1= self.addHost( 'h0' ) H2 = self.addHost( 'h1' ) H3 = self.addHost( 'h2' ) H4 = self.addHost( 'h3' ) H6 = self.addHost( 'h5' ) H7 = self.addHost( 'h6' ) H8 = self.addHost( 'h7' ) H9 = self.addHost( 'h8' ) H10 = self.addHost( 'h9' ) H11 = self.addHost( 'h10' )
#
self.addLink( S1 , H1 ) self.addLink( S2 , H2 ) self.addLink( S3 , H3 ) self.addLink( S4 , H4 ) self.addLink( S7 , H7 ) self.addLink( S8 , H8) self.addLink( S9 , H9) self.addLink( S10 , H10) self.addLink( S11 , H11)
#
self.addLink( S1 , S2, bw=1, delay='0.806374975652ms') self.addLink( S1 , S3, bw=1, delay='0.605826192092ms') self.addLink( S2 , S11, bw=1000, delay='1.362717203ms') self.addLink( S3 , S10, bw=1000, delay='0.557936322ms') self.addLink( S4 , S5, bw=1000, delay='1.288738ms') self.addLink( S4 , S7, bw=1000, delay='1.1116865ms') self.addLink( S5 , S6, bw=1000, delay='0.590828707ms') self.addLink( S5 , S7, bw=1000, delay='0.9982281ms') self.addLink( S6 , S10, bw=1000, delay='1.203263ms') self.addLink( S7 , S8, bw=1000, delay='0.2233403ms') self.addLink( S8 , S9, bw=1000, delay='1.71322726ms') self.addLink( S8 , S11, bw=1000, delay='0.2409477ms') self.addLink( S9 , S10, bw=1000, delay='1.343440256ms') self.addLink( S10 , S11, bw=1000, delay='0.544934977ms')
, () . . :
- NOX - , C++;
- POX - , NOX Python;
- OpenDayLight- , , Java ;
- RunOS- (), , .
:
| NOX | , C++ | |
| POX | , | , Python, NFV |
| OpenDayLight | , VTN-(NFV), (Cisco XNC) | , |
| RunOS | , , , | , . |
