キャリアサービスへのevpn 適の検討と課題 evpnのみ、pbb evpnのみ !...
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Copyright NTT Communications Corporation. All right reserved.
EVPN
NTT
MPLS Japan 2015
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Copyright NTT Communications Corporation. All right reserved.
EVPN
n WAN
NWMPLSNW
n SDN/NFV CAPEXNW OPEX
VPLSEVPN
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Copyright NTT Communications Corporation. All right reserved.
EVPNEthernet VPN
n MPLSLayer2 VPN RFC 7432 : BGP MPLS-Based Ethernet VPN RFC 7623 : PBB-EVPN
n C-planemp-BGPMAC L3IPMACBGP
D-planeMAC
n Multihoming Ethernet Segment
CEBridged NW PEESremote PEACT/SBY
+---------------------------------------+ | RD (8 octets) | +---------------------------------------+ |Ethernet Segment Identifier (10 octets)| +---------------------------------------+ | Ethernet Tag ID (4 octets) | +---------------------------------------+ | MAC Address Length (1 octet) | +---------------------------------------+ | MAC Address (6 octets) | +---------------------------------------+ | IP Address Length (1 octet) | +---------------------------------------+ | IP Address (0, 4, or 16 octets) | +---------------------------------------+ | MPLS Label1 (3 octets) | +---------------------------------------+ | MPLS Label2 (0 or 3 octets) | +---------------------------------------+ [RFC 7432 7.2. MAC/IP Advertisement Route]
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Copyright NTT Communications Corporation. All right reserved.
EVPNVPLSn Scalability
Broadcast DomainPseudowire11(IFattach)
Pseudowirefailover
IF
ESMACMPLSPELookup
VPN1
VPN2
VPN3
VPN1
VPN2
VPN3
VPN1
VPN2
VPN3
VPLS
EVPN
VPN1
VPN2
VPN3
EVI1
VPN1
VPN2
VPN3
EVI1
VPN1
VPN2
VPN3
EVI1
per MAC-VRF
per
per
per MAC
IF
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Copyright NTT Communications Corporation. All right reserved.
EVPNVPLSn
C-planeL3
VPLS
EVPN
? Flooding?
BGP? MPLS?
L3L2
NWD-planeC-plane
1NW
L3 L2
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Copyright NTT Communications Corporation. All right reserved.
EVPNVPLSn
VPLS
VPLS
STP G.8032 E-OAM VPLS-Multihoming PW2
single
EVPN
EVPNMultihoming(single-active)NW
MACprimary PE
EVPN
EVPN
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Copyright NTT Communications Corporation. All right reserved.
EVPN
n L2VPN next-hop PE
n DC DCVXLANC-planeEVPNDCL2NW
EVPN
PEMAC
ES
Cloud/DC VXLAN over IP
WAN Ethenet over MPLS
EVPN-MPLSEVPN-VXLAN
Controller
auto provisioning
DCNWFDB
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Copyright NTT Communications Corporation. All right reserved.
EVPN
n
EVPNPBB-EVPN
n
PBR BGPLocal Preference
n C-plane BGP update
MACBGP update
n D-planeOAM Ether-OAMEVPNLSP-Ping
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Copyright NTT Communications Corporation. All right reserved.
n MPLSNWCAPEX/OPEXL2VPNEVPN
n VPLSL2VPN
n OAM
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10Copyright NTT Communications Corporation. All right reserved.