Strategies towards Telecommunications Convergence Ray Adensamer Senior Manager, Product Marketing RadiSys Session IMS-08: IMS and FMC September 12, 2007.

Strategies towardsTelecommunications Convergence

Ray AdensamerSenior Manager, Product MarketingRadiSys

Session IMS-08: IMS and FMCSeptember 12, 2007

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September 10-12, 2007 • Los Angeles Convention Center • Los Angeles, California

www.ITEXPO.com

Topics

• Common Definitions of Telecommunications Convergence– Convergence as an end-user experience– Convergence in the service delivery network infrastructure

• Strategies towards Telecommunications Network Convergence– Core Network Convergence– Access Network Convergence– Service Delivery Convergence– Hardware Platform Convergence

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Fixed Mobile Convergence

“A clear trend is emerging in the form of FMC - A fixed and mobile telephony convergence. The aim is to provide both services with a single phone, which could switch between networks ad hoc”1.

Example: BT Fusion in UK

1. From www.wikipedia.com (January, 2007)

Source: BT website

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Triple Play

• “Triple Play” is a marketing term for the provisioning of the three services over a single broadband connection1.

– High-speed Internet, – Television (Video on Demand or regular broadcasts) and– Telephone service over a single broadband connection.Plus…. Wireless Services gives you a “Quadruple Play”

• Triple Play services are offered by – cable television operators– telecommunication operators.

• Triple Play focuses on a combined business model

rather than on solving technical issues or a common standard.

1. From www.wikipedia.com (January, 2007)

This presentation will explore strategies towards achieving telecom network convergence

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Technical Requirements for Telecommunications Convergence

Multiple Service Platforms

Unified Services Architecture

Incompatible, ProprietaryPlatform Technologies

Common, Reusable Platform Technology

Inconsistent service delivery dependent on device and access technology

Ubiquitous service delivery to any device using any access network

ConvergenceBarriers

ConvergenceRequirement

MultipleTransport

Common Transport

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Internet ProtocolThe Transport Network for Convergence

• Internet Protocol (IP) is a packet-based protocol.– Packets take different routes through the

network, and can arrive at different times.– Higher traffic increases network delays.

• Different services have different tolerance to network delays– Network delays are tolerable for data services

(e.g. file transfers, email, or music downloads).– However, interactive voice and video services require “real-time”

response.

• Optimizing IP network design is important for converged IP services.– The generic Internet has limited (if any) ability to ascertain voice

and video packets, hence quality varies significantly.– Carrier IP networks improve use additional techniques, including

using Multi Path Label Switching (MPLS), to transmit delay-sensitive packets with higher priority and dedicated capacity.

Source: BT website

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Example: BT 21st Century NetworkConvergence to IP/MPLS network

Source: BT 21CN website

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Internet

2G Wireless

3G Wireless

Cable DSL WLANAccess Layer

Transport Layer

IP TransportNetwork

IMS-IMS-MGWMGW

I-BGFI-BGF

SGSN/SGSN/MGWMGW

RNCRNCBSCBSC

PSTN

WAGWAG

CMTSCMTS DSLAMDSLAM

BAS/BAS/A-BGF/A-BGF/PDG/PDG/GGSNGGSN

Access Convergence to

IMS Core Network

• Telecommunications services are delivered today over a variety of access network technology

• Access convergence is achieved by the Transport Layer of the IMS architecture

Access Convergence inIMS Architecture

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PacketCableWireline Wireless WiFi

WiMax

Service Convergence in IMS

PacketCableWireline Wireless WiFi

WiMax

OS

S/B

SS

OS

S/B

SS

OS

S/B

SS

OS

S/B

SS

VideoConferencing

ColorRingback

Tones

IPContactCenter

Application

SubscriberData

MediaFunctions

NetworkInterface

Application

SubscriberData

MediaFunctions

Application

SubscriberData

MediaFunctions

VideoConferencing

ColorRingback

TonesContactCenter

Subscriber Data

Media Functions

Application Application Application

Source: RSYS Analysis, NMS, Lucent

Traditional Services IMS Services

NetworkInterface

NetworkInterface

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MRF

Internet

2G Wireless

3G Wireless

Cable DSL WLANAccess Layer

Transport Layer

Control Layer

Application Layer

IP TransportNetwork

P-CSCF/RACS/PDF

S-CSCF/I-CSCF

SCIM

AS

HSS

IMS-MGW

I-BGF

SGSN/MGW

RNCBSC

MGCF/SGF

PSTN

WAG

CMTS DSLAM

ASAS

BAS/A-BGF/PDG/GGSN

MRFP

MRFCIBCF

Access Convergence to

IMS Core Network

Service Convergence to

IMS Core Network

Simplified IMS Architecture

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Functional Decomposition:AS vs. MRFP

MultimediaResourceFunction

Processor(MRFP)

Audio/Video Media Record(voicemail, videomail)

Audio/Video Media PlaybackRingback Tones, Announcements, Branded Adverts)

Audio/Video Bridging and Mixing(audio conferencing, video conferencing, continuous presence)

Digit Detection and Generation

Speech Recognition / Text to Speech

Transcoding

Application Server(AS)

Application Logic

Application Signaling

Subscriber Web Interface

SIP

SIP

SIP

SIP

H.248 (SIP)Voice &

Videoover IP (RTP)

S-CSCF

MRFC

AS

MRFP

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IMS Services reusing MRFP

Announcement Server Ringback Tones Call Center Calling Card IP Centrex / Hosted PBX Class 4 / Class 5 Voice Conferencing Video Conferencing IVR/VRU Feature Programming & Control Operator and Directory Services Location-Based Services Voice Messaging Unified Messaging Network Gaming Session Border Controllers Voice Portals E-Mail Reader Voice Dialling

Multimedia Processing Functions of anIP Media Server (MRFP)

IMS Services

AS

MRFP

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AdvancedTCA (ATCA)Common Reusable Platform

• ATCA is a hardware platform specification for telecom equipment manufacturers.

• Enables manufacturers to design plug-compatible equipment and components that work together.

Provisionable ATCA Cards for• Network Processing, • Digital Signal Processing (DSP),• Data Processing, • Switching,• Storage• etc.

Common ATCA Hardware

Chassis

+

+ OS and System S/W• High Availability• Platform Management• Security• etc.

=Reusable Platform

Provisionable For ManyTelecommunication Applications

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ATCA in IMS Architectures

Reusable ATCA Platforms +

Vendor IMS Solution

Software=

Cost-Efficient IMS Deployment Using Common ATCA-based Infrastructure

+

+

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Strategies for Telecommunications Convergence

Multiple Service Platforms

Unified Services Architecture

Incompatible, ProprietaryPlatform Technologies

Common, Reusable Platform Technology

Inconsistent service delivery dependent on device and access technology

Ubiquitous service delivery to any device using any access network

ConvergenceBarriers

ConvergenceRequirement

Converged Access in IMS

ConvergedServices in IMS

ATCA

MultipleTransport

Common Transport

ConvergenceStrategy

IP/MPLS inIMS Core

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Conclusions

• Convergence often described as business models and end-device experience– However, to achieve convergence requires

rethinking service delivery in the core network

• Strategies towards Telecommunications Network Convergence

– Core Network Convergence• Everything over IP (Internet Protocol)

– Access Network Convergence• Mapping any Access/Device to IP using IMS

– Service Delivery Convergence• Decomposed Services Approach for Voice/Video over IP• Mapping Any Service to IP using IMS

– Hardware Platform Convergence• ATCA Platforms provide flexibility for any IMS application

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Thank you

RadiSys Promentum ATCA Platforms

RadiSysConvedia Media Servers

RadiSys is a leader in application-enabling technologies for

telecommunication and IMS equipment vendors

and their service provider customers

Ray AdensamerSenior Manager, Product Marketing

RadiSys [email protected]

+1 (604) 918-6318

For more info on IMS…

Please download IMS for Dummies

from www.radisys.com

http://www.radisys.com/ims/

Strategies towards Telecommunications Convergence Ray Adensamer Senior Manager, Product Marketing RadiSys Session IMS-08: IMS and FMC September 12, 2007.

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