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Agg/BNG
Multiple Access Region PE pairs
xDSL/GPON RADIUS Auth & Accounting Servers
IP/MPLS Core Network
ALU Border routers
The Internet
ALU Border routers
IPv6 added to DNS caches and Authservers, IPv6 glue records
Youtube, Netflix, Akamai , RTE CDNs
Access Node RG modem
HSS
UE
ALU CGNAT
Cisco S/PGW
Ericsson SGSN-MME
Huawei RAN GW router
ALU Agg/BNG ALU Access Region PE pair
ALU EPC site PE pair
Agg collocated with RAN GW router
xDSL/GPON RADIUS Auth & Accounting Servers e/NodeB
IP/MPLS Core Network
ALU Border router
The Internet
ALU Border router
UE to PGW user-plane is GTP-U tunnelled over IPv4
IPv6 added to DNS caches and Authservers, IPv6 glue records
Youtube, netflix, akamai CDNs
S-CDR billing mediation
23
PGW SGi1
IPv6 Internet IPv6 Internet
NAT44
&
NAT64
CGN
NAT64 CGN
OSPFv3 is used to anycast the
RFC 6052 Well-Known prefix,
64:ff9b::/96 from the
NAT64/CGNs. In the PE local
routers this is preferred over
iBGP route also advertised for
(64:ff9b::/96) through Route
Reflectors. The NAT64/CGNs
back each other up.
PGW SGi1
IPv6 Internet IPv6 Internet
NAT44
&
NAT64
CGN
NAT64 CGN
Mobile DNS servers have been
enabled for DNS64 responses to
AAAA DNS queries from
2a01:b340::/32 Mobile UEs
Middleware provisions APN
access permissions for both IPv4
& IPv6* in HLR (*to be
implemented/ a little extra XML).
In HSS it is a global update to
allow IPv4_OR_IPv6 for every
APN
Separate
VLAN and
eBGP peeing
for IPv6
PE Pair in Site 2 PE Pair in Site 1
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