ipv6 in umts [email protected]. ipv6 in umts ip in umts addressing migration ipv6 over...
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IPv6 in UMTS
IP in UMTS
Addressing
Migration
IPv6 over the air
Mobility Support
Presentation Outline
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IPv6 in UMTS
3GPP UMTS Standard 3GPP UMTS Standard NetworkNetwork
UUTTRRAANN UUMMTTSS//GGPPRRSSBBaacckkbboonnee
((IIPPvv44))
SGSN
GGSN
L1
RLC
PDCP
IP
TCP/UDP
Appl
RBS RNC
MAC
L1
RLC
MAC
PDCP GTP-U
Relay
L2/L1
UDP
IP
GTP-U GTP-U
Relay
L2/L1
UDP
IP
L2/L1
UDP
IP
L1
L2
L2/L1
UDP
IP
L1
IP
TCP/UDP
Appl
GTP-U
IP IP
L2
Gn/Gp GiIu-PSUuUE UTRAN SGSN GGSN Host
UE
EExxtteerrnnaallPPLLMMNNGp
GnHost
IIPPNNeettwwoorrkk
User level IP
Transport level IP
Iub
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IPv6 in UMTS
929304600
1996 1998 2000 2002 20040
200
400
600
800
1,000
(Mil
lio
ns
)
Fixed
MobileInternet
In 1999: 100 M PC’s 275 Mobiles
Mobile Internet
4 year8 year (1992-2000) GSM
150 Million new usersby 2003-2004 implies 500.000/day
1980: 200 user on 1 mainframe2000: 1 mobile + 1 PC per user2020: 200 Embedded, wireless devices per user
@ 2B humans is 400B
IPv4 addresses: 4B theoreticalChina: 9 MillionEurope: 80 MillionUS gov. 168 Million
Growth of the Mobile Internet
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IPv6 in UMTS
Benefits of IPv6
• Almost unlimited number of addresses• Built in security support (IPsec)• Built in mobility support (MIPv6)• Efficient routing • Features for simplified Network management• Same level of QoS support as in IPv4 with potential
improvement
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IPv6 in UMTS
Addressing of a 3GPP Network
GGSSMM//EEDDGGEEBBSSSS
CCoorree NNeettwwoorrkkSGSN
RBS
RNS
RBS RBS
UUTTRRAANN
RBSRBS
RBS
SGSN
LLOONNGG HHAAUULL PPRROOVVIIDDEERR
OORR CCOORREE NNEETT EEDDGGEE
RNC
GGSN
/35 or /48prefix /48 NLA or
/64 NLA
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IPv6 in UMTS
User level addressing in a 3GPP Network
• Possible scenarios– Stateless Address Autoconfiguration*
– Stateful Adress Autoconfiguration (DHCP client in the UE)
– Stateful Address autoconfiguration (DHCP client in the GGSN)
– Static Addresses in the HLR
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IPv6 in UMTS
End to end incompatibility vs connectivity layer incompatibility
IPv6 domain
IPv4 domain
V4 backbone
Edge routerTranslator
V4 edge router / GGSN
V6 UEV4 hostEnd to end
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IPv6 in UMTS
Translation
RBS
GERAN UTRAN
Core Network
GGSNSGSN SGSN
RBS
RBS
RNS
RBS
RBSRBS
RNC
Service Network
TranslatorIPv6 DomainIPv4 Domain
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IPv6 in UMTS
IPv6 domain
IPv6 domain
V4 backbone
6 to 4 edge router
V6 edge router
6 to 4 relay router
3 13 24 16 64 bits8
TLA NLA SLA001 Interface IDRES
Public Topology
SiteTopology Interface Identifier
V4_Addr
6-to-4 tunnelling
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IPv6 in UMTS
IPv6 over the air• ROHC approved by 3GPP• For optimal Header Compression, changes in headers within
one connection should be minimised. • Limit the use of IPsec for IP signalling and other mandatory
scenarios. • Enable partial UDP checksum for real time applications (UDP
Lite)
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IPv6 in UMTS
IPv6 mobility support (MIPv6)
Home Network
System A(UMTS Foreign Network)
MobileNode (MN)
CorrespondentNode (CN)
HomeAgent
System B(BT/WLAN Foreign Network)
HA/MAP
Access Router
CorrespondentNode (CN)
GGSN
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IPv6 in UMTS
MIPv6 …cont
UTRAN OtherGSM
Mobile IP
GPRS CN(GTP)
RAN
CoreNetwork
IP Network
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IPv6 in UMTS
Questions ?