Cisco mobile offload_architecture_21062012

© 2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 1

Mobile Offload Architecture

Framework Overview

Daniela Hernandez

Systems Engineer


Agenda overview

Market Environment for Offload

Cisco SP WiFi Offload Architecture

Cisco Offload Convergent Core Architecture


Market Environments

3


More Broadband

New Pricing

New Devices

New Applications

Mobile Internet is Changing Everything

Video will be 66% of Mobile Traffic by 2014

© 2006 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 5© 2011 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 5

By 2015, global IP traffic will reach an annual run rate of 966 exabytes per year

966 Exabytes is equal to:

• 8X more than all IP trafficgenerated in 2008 (121 EB)

• 28 million DVDs per hour

What is a zettabye?

• One sextillion bytes

• Approximately 10 to the 21st power (1,000,000,000,000,000,000,000) bytes

Source: Cisco Visual Networking

Index (VNI) Global IP Traffic

Forecast, 2010–2015


0

10.000

20.000

30.000

40.000

50.000

60.000

70.000

80.000

90.000

2010 2011 2012 2013 2014 2015

Peta

byte

s/

Mo

nth

Mobile Data (92% CAGR)

Fixed/Wired (24% CAGR)

Fixed/Wi-fi (39% CAGR) 46.1%

46.2%

7.77%

32% CAGR 2010–2015

Source: Cisco Visual Networking Index (VNI) Global IP Traffic Forecast, 2010–2015


0

10.000

20.000

30.000

40.000

50.000

60.000

70.000

2010 2011 2012 2013 2014 2015

Peta

byte

s/

Mo

nth

VoIP

Online Gaming

Web/Data

File Sharing

Internet Video

Online Gaming and VoIP forecast to be 0.79% of all consumer Internet traffic in 2015

15%

24%

61%

Source: Cisco Visual Networking Index (VNI) Global IP Traffic Forecast, 2010–2015

34% CAGR 2010–2015


Visual Networking Devices Driving Mobile Data Growth – 2010 Mobile Device Comparisons

=

=

=

Smartphone

Laptop

E-reader

Digital Photo Frame

Video Camera

Mobile Phone

Projector

10 X (monthly basic mobile phone data traffic)

2 X (monthly basic mobile phone data traffic)

= 10 X (monthly basic mobile phone data traffic)



1,300 X (monthly basic mobile phone data traffic)

Source: Cisco Visual Networking Index (VNI) Global Mobile Data Forecast, 2009–2014


Mobile Operator Surprise of the Year:The “Smartphone” Is the Platform

It has the power to run the revenue-generating apps

Is Driving Data consumption

Growing in popularity (fashion & social)

Now a Differentiator for many 3G Mobile Operators

We all remember our 1st shoe-phone…


Mobile Data in the HomeThe “Home” is becoming more Mobile …

44% of data usage on smartphones occurs at home1

60% of mobile data traffic will be generated in the home by 20132

36% of mobile calls are initiated at home

–One number; one address book

• The mobile phone

competes in the home with

the PC & TV

• New Entrant: Tablets

1 Nokia smartphone survey, Dec 2007

2 Informa Telecoms and Media,

Mobile Broadband Access at Home report, Aug 2008

Source: Analysys Research 2006

Home36%

Work24%

Public Transport

8%

Car13%

Other19%


Driver for Change: Dealing with Non-Uniform Peaks

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

• 12,000 devices attached to Wi-Fi during Superbowl XLV

• How to scale metro – continuing splitting cells or do something different?


Mobile Operator RealityThe Need for a New Financial Model…

How to expand Capacity & Coverage at Exponential Rate while keeping CapEx and OpEx linear?

Source: Unstrung Insider

Macro RANOpex & Capex

FemtocellOpex & Capex


Cisco M.O.VE™Monetization, Optimization, and Videoscape Experience

Monetization• Premium offerings

• Backend partnerships• Differentiated

video services

Optimization• Optimal data transport

• Network awareness• Subscriber intelligence

Mobile Videoscape Experience

Across Devices, Networks, and Content

M.O.VE


Access Offload

• Principle

–Divert UE access traffic to an unlicensed (e.g. WiFi) or licensed (e.g. 3G Femto) access every time possible.

• Benefits

–Save precious macro radio capacity

–Address in-building coverage and capacity issue

–Save backhaul costs by using broadband transportt

• Drawbacks

–QoS Guarantee (esp. when using unlicensed spectrum)

–Client requirement for some archicture

–Complex architecture requiring a new CPE and end-to-end provisioning (esp. Femto)


Access Offload Alternatives

• Unlicenced Spectrum – WiFi

• Several options depending on the following points

• Client

•Clientless (manual selection, web auth or auto selection WISPr/HotSpot2.0)

•Client-enabled (Connection manager for network selection and optionally network auth (EAP-SIM/AKA, etc.)

• Traffic Handling

•Direct Offload (i.e. no operator control)

•Traffic Control on a dedicated network element

•Aggregation at the mobile packet core (on a PDG per I-WLAN spec)

• Mobility

•Session mobility

•Inter-AP mobility (likely to become an issue in dense WiFi areas such as hotzones/enterprise and also Community WiFi) – Covered later in this preso

• Licenced Spectrum – 3G

• Consumer/Enterprise Femtocell

• Enterprise Picocell

• Hotzone PicocellsNot covered in this preso


Cisco SP WiFiOffload Architecture

25


Key SP Wi-Fi Requirements Seamless end-user experience

–Intra-network and inter-network roaming/mobility

Carrier-grade operation

–Wireless performance

–Interference mitigation

–Reliable coverage

–Robust capacity and throughput

–Control of security, management, mobility, authentication, billing, policy

–Standards-based

End-to-end scalability

–Designed to support millions of users and exponential traffic growth


64QAM/

MIMO

16QAM

QPSK

64QAM/

MIMO

16QAM

QPSK

64QAM/

MIMO

16QAM

QPSK

64QAM/

MIMO

16QAM

QPSK

1 km

Macrocell (3G/4G)Voice coverage with

uniform bandwidth, but not always where people are

Limited data capacity

Sub-optimal delivery of high BW to POPs

High CapEx/OpEx: $400K

Poor spectral efficiency

New sites: Zoning issues

Wi-Fi/FemtoDelivers targeted coverage

and capacity

Support high-capacity data

Precision delivery of high BW to POPs

Min CapEx/OpEx

Good spectral efficiency

Low environmental impact

Macrocellular Network Challenges

0

25

50

75

100

0 50 100

% o

f tr

aff

ic

% of Cells

0

25

50

75

100

0 50 100

% o

f tr

aff

ic

% of Area

Traffic distribution

Traffic distributionwithin single Cell

75% traff25% Cell Coverage

25% Cells75% traff


Four Pillars

Key SP Wi-Fi Requirements

Mobility, Carrier-Grade, Scalability, Security

Cisco Solution Pillars

Intelligent Radio

Unified Architecture

Seamless Experience

Converged Core





Intelligent Radio


Seamless Experience

Converged Core


Not All Access Points Are the Same

Sophisticated spectrum Intelligence to monitor the airwaves; detect, locate and classify interference; alert Ops; and reconfigure the network to avoid Improves Network Reliability

Optimized RF utilization by moving 5 GHz capable client out of the congested 2.4 GHz channelsImproves Network Throughput

Extends reliable multicast into the wireless network by converting multicast to unicast at the APQuality Video over WLAN

Best in class Radio Resource Management coupled with beamforming to deliver focused power to clientsImproves Network Throughput and Coverage

ClientLink

CleanAir

BandSelect

VideoStream


What is ClientLink Technology?

Silicon-level intelligence that focuses DL RF energy (Beamforming) directly to legacy 802.11a/g clients

Higher Signal Strength ► Higher Throughput (up to 85%)

Higher Signal Strength ► More Range (~20%)

w/o Clientlink w/ Clientlink

DL: Downlink


What is CleanAir Technology? Silicon-level intelligence to automatically mitigate the impact of

wireless interference, optimize network performance and reduce troubleshooting costs

Classification processed on Access Point

Interference impact & data sent to WLC for real-time action

WCS & MSE store data for location, history, and troubleshooting


Interference’s Destructive Effect on Wi-Fi

Throughput

Reduction

Interference TypeNear(25 ft)

Far(75 ft)

TDD Phone 100% 100%

Video Camera 100% 57%

Wi-Fi(busy neighbor)

90% 75%

Microwave Oven 63% 53%

BT Headset 20% 17%

DECT Phone 18% 10%

Source: Farpoint Group, The Effects of Interference on General WLAN Traffic, Jan 2008

• Reduced data throughput

• Less effective range

• Impaired QoS for voice and video

• Potential complete link failure


What is BandSelect Technology?Access Point Assisted 5 GHz Band Selection

52.4

Optimized RF utilization by moving 5 GHz capable client out of the congested 2.4 GHz channels

802.11n

Dual-Band Client Radio2.4/5GHz

Discovery ProbesLooking for AP

Discovery Response

Solution

BandSelect directs clients to 5 GHz optimizing RF usage

Better usage of the higher capacity 5GHz band

Frees up 2.4 GHz for single-band clients

Challenge

Dual-Band clients persistently connect to 2.4 GHz





Intelligent Radio


Seamless Experience

Converged Core

Cisco Confidential 37© 2010 Cisco and/or its affiliates. All rights reserved.

Evolution from Autonomous to Managed Access


User Roaming

Autonomous APPre 2005 Architecture Security

Mobility

ManagementWLC WLC

IP ServicesGateway

LimitedSecurity

No Mobility

ComplexManagement

NCS

Integrated Management


Integrated Wireless ManagementAccelerated Deployment and Reduced OpEx

Provisioning: Automatic image download

Self-Configuring:Zero-touch configuration

Operational management through CAPWAP standard

interface for visibility, control, troubleshooting,

and reporting

Wireless Control System (WCS)

Based on Customer Experience

Operational Management Reduced by

Deployment Time Reduced by

Network Visibility, Stability, and End-User Performance


Hierarchical Mobility

Access Aggregation

WLC

Wi-F

i Mobili

ty

WLC

WLC

WLC

ISG

LocalMobility

DomainMobility

LocalMobility

Open Auth CAPWAP IPL2

1

2

3

4

7

6

5

8

Internet

Internet

WLCMIP

Redundant WLC/ISG/Internet

Domain Mobility = 32 x 1k = 32K AP s per Domain

ISG

NCSAAA

PortalPolicyIndoor

Outdoor





Intelligent Radio


Seamless Experience

Converged Core


Cellular Mobility Experience on Wi-Fi

GSM NGH

Turn on phone and get secure cellular connectivity Turn on phone and get secure Wi-Fi connectivity

Example: iPhoneExample: GSM Phone

• Automatic

• Secure

• EAP-Based


Next Generation Hotspot Roam, Authenticate, Monetize

SEAMLESSSimplifies network

discovery and selection for

seamless cellular data offload

SECUREExtends existing

SIM-based authentication

techniques over encrypted Wi-Fi

RELIABLECarrier-class

solution

PROFITABLEEnables location-based

and value-added services

802.1x , EAP-SIMAuto SIM credentials

Encrypted Wi-Fi Link

802.11i

1

802.11u

2 3 4

Mobile “concierge” serviceMobile Service Advertisement Protocol

(MSAP)


ISG – Subscriber Management

Sits at the edge of the network

Communicates with other devices to control all aspects of subscriber access in the network

Single point of contact

Walled GardenOpen Garden

Internet/Core

GuestPortal

AAA

Server

Policy

Server

Web

Portal

DHCP

Server

• Subscriber Identification

• Subscriber Services Determination

• Dynamic Service update

• Per access and per service accounting

• Session Lifecycle Management

Subscriber Policy Layer

VideoAudioServers


Cisco SP Wi-Fi Subscriber Management

Intelligent Services Gateway

Cisco Cloud Connect

InternetCustomer’s Wi-Fi APs

Internet

CiscoWireless

Controllers

NAT, Firewall

Network Control System

CAPWAP DHCP

AAA

IP Transfer Point

Mobile Operator 3G/4G Core

MAP SS7

HLR AUC

Portal

AAA

Usage statisticsPolicy enforcement

Session managementLayer 4 redirection

Transparent auto logon

Wireless LAN policy RF management

Roaming

Subscriber managementRADIUS authentication

Web portalNetwork policy control

Cisco ASR1K

Cisco UCS

Home Network

AAA

3G/4GMobile Packet Core

Cicso ASR5K

PMIPv6


Family/Enterprise Mobile

Data Portal

–Manage settings for individual/child/sub-account users

–Establish different bandwidth speed and usage quotas on a per user basis

–Apply application-based (P2P, URL Filtering, quotas, and access restrictions

–Time based usage restrictions (ei. “Internet lights out”)

–Broadhop Services Portal solution

Policy 2.0 Use CasePersonalized Mobile Service

Parents can create new child

accounts, suspend accounts,

add Internet Allowance

Parent Account can

configure controls on

child accounts





Intelligent Radio


Seamless Experience

Converged Core


Offload Convergent Core

Cloud Services, Applications, and Operations

AAA CaptivePortal

WCSDHCP PolicyMgmt

SvcsReporting

Wi-Fi Controller and

Backhaul

Stadium/Large Venue

Indoor Hotspot

Metro Wi-Fi SMB Managed AP

ApplicationPartners

Internet

Converged Subscriber

Control

Own or third party broadband

access

Residential Managed AP

CloudTR-069

CMTSDSLFiber

© 2011 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 49

METRO/HOTSPOT ACCESS

RESIDENTIALACCESS

CLIENT-CENTRIC/UNTRUSTED

ACCESS


WiFi and Packet Core Integration OptionsConsideration Factors

Trusted WiFi

Authentication integration only

Untrusted WiFi

WiFi Data Integration into MPC

Integrate into existing GGSN

Common Policy integration

Accelerated EPC migration

3GPP Billing integration

Others: MPC- EPC, Lawful Intercept, IP session continuity, Seamless mobility, Network Integration, ASR5k insertion


Integrating WiFi into 3G Packet CoreAll Client-less and Client-based configurations supported

Devices IP Core

Mobile Packet Core

Trusted Wi-Fi

3G Cellular

Converged,

Policy, Charging and

Billing Systems

Per User GTP Tunnel

GTP (Gn)Secure Client

based iWLAN

Clientless –

IPSG (IP)

Clientless

MAG (PMIPv6)

Clientless

eWAG (GTPv1)

Untrusted Wi-Fi

Per User IPSec Tunnel

TTG

SGSN

eWAG

Per User GTP Tunnel

MAG

GGSN

Per User PMIPv6 Tunnel

Un Tunneled User Data (IP)

IPSG

Clientless

3GPP

Clientless

3GPP2

Per User PMIPv6 Tunnel

HSGW

P-GW

WLAN AAA 3GPP

AAA

Un Tunneled User Data (IP)


Integrating WiFi into 4G Packet Core

Devices IP Core

Mobile Packet Core

Trusted Wi-Fi

4G Cellular

Converged,

Policy, Charging and

Billing Systems

S5 Per User GTP Tunnel

S2b (PMIPv6 / GTPv2)Secure Client

based iWLAN

Clientless

MAG (PMIPv6)

Untrusted Wi-Fi

Per User IPSec Tunnel

ePDG

S-GW

MAG

P-GW

S2a Per User PMIPv6 Tunnel

Clientless

3GPP

WLAN AAA 3GPP

AAA

S2c – Per User DSMIPv6Client

S2c – DSMIP6

S2c – Per User DSMIPv6Client

S2c – DSMIP6


Metro Hotspot Residential Client Centric

CAREAP-SIMEAP-AKA

AAA

•Portal•HS2.0 Online-signup•Roaming PolicyServer

Gx

IPServices

WholesaleServices

MSAPServer

PMIPv6 enabled WLC

PMIPv6

AAA

ASR 1K

L2/L3

LocalServices

Flex7500WLC

H-REAP AP with PMIPv6 MAG

LocalSSID/

Services

PMIPv6

Cisco CPE

SP WiFiCPE

Manag’nt

BACC

3GPPIFOM

Clients

TTG/PDG/ePDG

BYO WiFi

PMIPv6

CMIPv4 Clients

Cisco SP-WiFi ArchitectureConverged Core solution on ASR5K


Cisco Access Offload FrameworkMulti-RAN Technologies Convergence

Carrier Core

Network

Cisco ASR 5000

PCRF

WLC

Gx

PGW, GGSN

APCPE

AP

3G NobeB

3GHNB

StandaloneHotspot /

SMB

Native

Stadium

3rd Party AP

CPE

I-WLAN / IPSec / IKEv2

L2VPN or IPSEC or PMIPv6

L2VPN or PMIPv6

S5/S8Gn

Iuh/IPSec

LTEeNodeB

Cisco ASR 5000HNBGW (inc. SeGW)

LTEHeNB

S1/IPSec

Cisco ASR 5000SGW, MME, SGSN

S1

Iu-PS

S1Iu-PS

PMIPv6

L2VPN

S2b

IP ServicesInternet

L3

L3

Cisco ASR 5000TTG, PDG, ePDG,

S2a*Cisco 1000

ISG*

Unlicensed

Licensed


Converged Core: ASR 5000Separation of Platform and Functions

In-Line Services*

Stateful Firewall

Dynamic Policy

Enhanced Charging Service

Content Filtering

Heuristic DPI

Peer-to-Peer Detectionand Control

Intelligent Traffic Control

TPO

Network Function Modules*

Session Control Manager: P-CSCF, I-CSCF, S-CSCF, IPCF (PCRF)

GGSN HA HNBGW PGW

SGSN PDSN HSGW ASN GW TTG PDG Femto GW MME SGW

Platforms ASR5K EMS

*Current and future solutions


Evolved Packet Core One Network, Any G, Any Screen

WiFi,Femto

2.5G3G

4G

ASR 5000

Reliable

Highly Intelligent

Powerful Performance

Flexible

World’s #1 UMTSand CDMA Operators

Single Platform for all Control and Bearer Plane Functions


IP Point of Attachment

Deep Packet Inspection

Traffic PacketOptimization

VideoGateway

PDP QoStermination (BW parameters)

Per user ACLs

Dynamic Policy control

Real Time Charging

Parental Control/ Content filtering

NAT

BW Shaping

Roaming based policy

Integrated Offload

Analytics

P2P detection

Dynamic Policy control

Parental Control/ Content Filtering

Per-Subscriber Firewall

Application Detection

URL Re-write

Advertising filters

Fair Usage Control

Analytics

Application proxy

TCP Optimization

Header Enrichment

HTTP Compression

URL Re-write

Advertising filters

Analytics

Video Pacing

Media Optimization

Transrating

Analytics

Offload Architecture:ASR5000 Intelligent Gateway


AP WLC CiscoARAAA

HLR802.1x - EAP-SIM /AKA Radius

EAP-AKA

IP

UDP

Radius

MAP

TCAP

SUA

SCTP

IP

MAP

TCAP

M3UA

SCTP

IP

SCCP

EAP-SIM

MAP

PCRF / OCS

Gx Gy

Internet

Clientless

ASR5KIPSG

ASR1KMAG

S2a

S2a

Offline Billing

Ga

CiscoARAAA

AP WLC

802.1x - EAP-SIM /AKA

Clientless

ASR1KMAG

CiscoARAAA

APClientless

APClientless

CAPWAP

CAPWAP

IP Backbone

IP RAN

IP RAN

Signalling Plane

User Plane

Seamless Services for Wi-Fi EAP SIM


End-to-end SP WiFi Network Architecture

Reduces RAN congestion

Improves Indoor Coverage

3G Data offload at high traffic locations

Low Network TCO

Unlicensed RAN complement to

3G/4G Mobile Broadband networks

Flexible & Scalable

Scales from Metro/indoor to Residential

Cloud based Operations & Services Mgmt

Standards Based

802.11 a/b/g/n

802.11u – 802.1x Authentication

CAPWAP Mobility & Radio Resource Mgmt

DOCSIS 3.0 & MEF

TR-069 RGW Provisioning & Mgmt

3G Offload – 3GPP iWLAN

IPSEC - Untrusted Network Access

Client / Clientless Mobility -CMIP/PMIP/DSMIP

SMB Managed AP

ASR 5K

IP Services/FEMTO GW

Internet

Application

PartnersCore

3G Macro Site

Aggregation

AAA Captive

PortalWCS

Cloud Services, Applications, &

Operations

DHCP Policy

MgmtSvcs

Reporting

Cloud

TR-069

Metro WiFi

Residential

Managed

AP/FEMTOSmartphone

CMTS

DSL

Fiber

Stadium / Large Venue

On Premise

Content

UWN

WLC

Indoor Hotspot

RAN

Backhaul


Contactos

Para consultas:

Daniela Hernández – [email protected]

Daniel Peña – [email protected]

Cisco mobile offload_architecture_21062012

Technology

Transcript of Cisco mobile offload_architecture_21062012