Converted Mobile Offload Architectures
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Transcript of Converted Mobile Offload Architectures
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© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Public 1
Mark GraysonDistinguished Engineer
June 2011
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•• Mobile Data Mobile Data –– Drivers for ChangeDrivers for Change
• Macro RAN Offload
• Offload and Convergence
• Summary
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Te
rab
yte
s /
Mo
nth
6.3 EB
per mo
92% CAGR 2010–2015
© 2010 Cisco and/or its affiliates. All rights reserved. 3Cisco Public
2010 2011 2012 2013 2014 2015
Te
rab
yte
s /
Mo
nth
3.8 EBper mo
0.24 EBper mo
2.2 EB
per mo
1.2 EB
per mo0.6 EB
per mo
Source: Cisco Visual Networking Index (VNI) Global Mobile Data Traffic Forecast, 2010–2015Source: Cisco Visual Networking Index (VNI) Global Mobile Data Traffic Forecast, 2010–2015
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27%
56%
38%
ON THE GO
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34% 35%
10%
27%
Occasional User Regular User
AT HOME
IN AN OFFICE
Source: http://www.cisco.com/web/about/ac79/docs/CLMW_Mobile_Internet_v20_072809FINAL.pdf
Occasional usage: Weekly mobile Internet time spend of less than 12 minutes
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• Mobile Internet Demand is non-uniform
• Peaks of demand in certain hotspots can exceed cell capacity
• Baseball stadium deployment – 5500 devices generating 52 Mbps traffic
• Some estimates predict that 12-sector
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• Some estimates predict that 12-sector cell in Olympic park will only be able to support 30% of mobile Internet traffic demand
• 12,000 devices attached to WiFi during Superbowl XLV
• How to scale metro – continuing splitting macro cells or do something different?
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• Mobile Data – Drivers for Change
•• Macro RAN OffloadMacro RAN Offload
• Offload and Convergence
• Summary
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• Future Networks supporting the Mobile Internet will need to seamlessly integrate a lot more smaller cells
• Shifting from 104 cells to 106 cells will require a change of mindset and management tools
• Key decisions that need to be considered:
© 2010 Cisco and/or its affiliates. All rights reserved. 7Cisco Public
• Key decisions that need to be considered:
• Whether to use unlicensed, licensed technology or both?
• If using unlicensed, what does the “SP WiFi” architecture look like?
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SGi
PCRF
Gx
HSS
Operator's IP Services
(e.g. IMS,. etc)
SWx
Rx
PDN Gateway
Gxc
S6a
3GPPAccess
ServingGateway
Integrated EPCBased Subscriber
Control
Integrated
Mobility
© 2010 Cisco and/or its affiliates. All rights reserved. 8Cisco Public
S2b
SWm
HPLMN
Non-3GPP Networks
S6b
Gateway
ePDG 3GPP AAA Server
Gxb
S2a
PMIPv6
Gxa
STa
S5 Access
SP WiFi as trusted
Non-3GPP IPAccess
SP WiFi as
Trusted Non-3GPP Access
Multi-Vendor
Standards
S2c: DSMIPv6
Able to leverageClient capability
when available
Client MIPEnabledDevice
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Managed Enterprise
HNB GW
Packet
Core
Residential
Packet
Core
S2a
ePDG
Supporting Untrusted
AccessConverged
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Closed Femto
Ent. Femto
EnterpriseHNB GW
HNB GW
SP WiFi
BYOWiFi
Managed EntWiFi
Guest WiFi Controller
Ent. Femto
SP WiFi as Trusted Non-3GPP Access
Managed Ent WiFi as Trusted Non-3GPP Access
AccessConverged
Small Cell Gateway
S2a
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• Femto Forum defining “Open Femto” to support public deployments
• RAN vendors enhancing RNCs to support Release 8 defined Source Cell ID to enable macro-to-femto handover
• Release 10 specifications define interference co-ordination capability between LTE pico and macro
• But...
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• But...
• NPV analysis indicates that optimum deployments require dense metro access points
884 WiFi APs with directional antennas used for superbowl coverage
• Metro will benefit from economical wireless (mesh) backhaul
e.g., 1 Route AP for 4 Mesh APs for typical metro WiFi mesh deployment
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Outdoor Metro Licensed
Packet
Core
Outdoor WiFi Mesh
Packet Core
S2a
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Metro WiFi
Controller
Metro HNB GW
Metro WiFi
BBU/RRH
MacroRNC
Frequency 1Frequency 2
Frequency 3
Metro WiFi
Metro WiFi
MetroFemto
MetroFemto
LIPA/SIPTO offloade.g., for stadium traffic
Mesh Backhaul Mesh Backhaul
SP WiFi as Trusted Non-3GPP Access
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• Mobile Data – Drivers for Change
• Macro RAN Offload
•• Offload and ConvergenceOffload and Convergence
• Summary
© 2010 Cisco and/or its affiliates. All rights reserved. 12Cisco Public
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Home Operator
HSS
H-PCRF
MME
GERAN
UTRAN
E-UTRANIP
ServicesPDN
Gateway
3GPPAAA
Serving Gateway
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Fixed BroadbandOperator
IP Services
AccessNetwork
Fixed AAA
RG
Home Network
eBNG
V-PCRF
S9
AAA
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Home Operator
HSSMME
GERAN
UTRAN
E-UTRANIP
ServicesServing Gateway
PDN Gateway
Small Cell GW/SeGW
H-PCRF3GPPAAA
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Fixed BroadbandOperator
IP Services
AccessNetwork
Fixed AAA
RG
Home Network
eBNG
V-PCRF
FemtoInfrastructure IPSec
for E2E Security
UE
LTE Uu
802.11i
S9
AAA
S15/S16
MNOWiFi Fixed
WiFi
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Conventional MNO
HSSMME
GERAN
UTRAN
E-UTRANIP
ServicesServing Gateway
PDN Gateway
3GPPAAA
H-PCRF
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Small Cell Access Operator
IP Services
AccessNetwork
BNG/CMTS
Small Cell Gateway
SmallCell Metro
Premise
SmallCell RG
SmallCell ENT
Small Cell Controller
Enterprise Controller
EntServices
V-PCRF
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• Mobile Data – Drivers for Change
• Macro RAN Offload
• Offload and Convergence
•• SummarySummary
© 2010 Cisco and/or its affiliates. All rights reserved. 16Cisco Public
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• Mobile networks need to support the integration of many more smaller cells which offload the legacy macro network
• 3 deployment use cases available:
Bring Your Own WiFi
Licensed Femto
SP Managed WiFi
© 2010 Cisco and/or its affiliates. All rights reserved. 17Cisco Public
SP Managed WiFi
• Supported by 3 offload different scenarios:
Residential
SMB/Enterprise
Metro/Hotspot
• One converged, EPC-centric architecture can address all use cases and scenarios
Licensed/Un-licensed, Trusted/Un-trusted, Resi/Ent/Metro
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Thank you.Thank you.