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Improving Enterprise Service Solutions with IMS Architectures

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  1. Improving Enterprise Service Solutions with IMS Architectures Session IMS-03: IMS in the EnterpriseJanuary 24th, 2007 Ray Adensamer Senior Manager, Product Marketing RadiSys

  2. Topics • Traditional Approaches to Enterprise Service Solutions • The Carriers Approach • Adoption of Decomposed Services Architecture • The IMS Architecture • Extending service decomposition to any access or device • ATCA platform reuse in IMS • Benefits for Enterprise Customers • Example IMS Services in the Enterprise • Conclusions and Trends

  3. Enterprise Voice Services Traditional Challenges • Services delivered as stand-alone “Service Nodes” • Each Service Nodes often has their own: • Proprietary architecture • Management systems and service databases • Often tied to a access network subset • Resulting characteristics and operational limitations • Multiple systems and databases to manage • Voice only -> complex interworking with IP-based data services • New service introduction – complex and slow IVR PBX ACD Voicemail SpeechServices Audio Conferencing Server CallRecording Legacy TDM Network

  4. What are Carrier’s Doing? Service Decomposition Class 5Softswitch Messaging Software MobilitySoftware Speech PortalSoftware PrepaidSoftware Conferencing Software • “Service Nodes” decomposed into • Application logic and • Media processing. • Application logic executes on off-the-shelf servers. • Media processing is shared across many services. • Interconnection through open standards-based interfaces. SIP Common Infrastructure IP Media Server(MRFP) SIP RTP IP/MPLS Backbone Media /Signalling Gateway TDM SS7 Legacy TDM Networks

  5. IMS-MGW BAS / A-BGFPDG / GGSN SGSN/MGW SCIM IBCF MGCF/SGF MRFC P-CSCF/RACS/PDF S-CSCFI-CSCF HSS I-BGF Application Layer Control Layer MRF Transport Layer IP TransportNetwork Internet Access Layer 2G Wireless 3G Wireless Cable DSL WLAN PSTN BSC RNC CMTS DSLAM WAG Simplified IMS Architecture Application Servers (AS) Common Infrastructure MultimediaResourceFunctionProcessor(MRFP)

  6. Functional Decomposition: Application Servers vs MRFP Application Logic Application Signaling Subscriber Web Interface Application Server(AS) SIP S-CSCF SIP SIP SIP MRFC Playing Tones and Announcements Digit Detection and Generation Record and Playback Bridging and Mixing Speech Recognition / Text to Speech Transcoding H.248 / SIP Voice & Videoover IP (RTP) MultimediaResourceFunctionProcessor(MRFP)

  7. IMS Services reusing Multimedia Processing Functions Multimedia Processing Functions of anIP Media Server (MRFP) IMS Services

  8. 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 Reusable Platform Provisionable For ManyTelecommunication Applications = + • OS and • System S/W • High Availability • Platform Management • Security • etc.

  9. ATCA in IMS Architectures + Reusable ATCA Platforms Vendor IMS ApplicationSoftware Cost-Efficient IMS DeploymentUsing Common ATCA-based Infrastructure = + +

  10. IMS Benefits for Enterprise Customers (…and their suppliers) • One Architecture for Any Service • Supports Multimedia and Multimodal services • One Architecture for Any Access Technology • Abstraction of access technologies allows a single service architecture to support any device. • Rapid Service Introduction • Reuse of common infrastructure accelerates adding new service capabilities and features • Maximize Flexibility • Mix and match best-of-breed equipment and applications using open standards-based interfaces

  11. Real-World ExampleCarrier Architecture with Decomposed Services

  12. Real-World ExampleEnterprise with Decomposed Services • Fortune 500 Company • 160+ countries, • 1500 locations, • 900+ PBX’s in • 700+ facilities, • 400,000 phones, • 450 voicemail systems, • 160 IVR systems, • 156 call centers • IP network implemented to consolidate, improve management and resiliency, and enable “voice as an on demand application” • Infrastructure delivering over 1 Billion conferencing minutes per year (50% savings) and leveraging same infrastructure for IVR and Voicemail applications as well as fixed/mobile convergence. Source: IBM.

  13. Example IMS Application VoIP Conferencing Conference Moderator Web-basedConferencing& ModeratorControl IMS Internet ConferencingApplication/Web Server PC SIP SIP Internet Phone SIP withMSML IP Phone PRI Gateway RTP PSTN Access Phone RTP PDA/3G Phone MRFP Cell Phone

  14. Example IMS Application IP Contact Center Customer Service Agents Customers IP Contact Center Infrastructure Web Application Server HTTP HTTP IP Access Customer & ServiceDatabase PC(could have soft-phone) Supervisor PC(with softphone) SIP SIP Application Server(ACD, IVR, Conf, etc.) IP Access RTP SIP,VoiceXML,MSML Content Storage(contact recordings, VoiceXML scripts, audio clips,video clips, etc.) TDM to IPGateway HTTP,NFS Phone RTP RTP PSTN Access SS7+TDM Call Agent PC(with softphone) MRFP(Voice/Video/Speech Packet Processing) Cell Phone

  15. Conclusions and Trends • VoIP in Enterprise is growing • However, “Service Node” architectures are still common • The design driver is reuse: • Service decomposition allows many applications to share multimedia processing and control infrastructure • IMS extends service decomposition to any access network • ATCA delivers similar reuse qualities in hardware platforms • Benefits include rapid service innovation with lower costs. • Carriers are leading the way towards IMS architectures • Expect IMS adoption in Enterprise to accelerate quickly.

  16. Thank you RadiSys is a leader in application-enabling technologies for telecommunication and IMS equipment vendorsand their service provider customers RadiSys Promentum ATCA Platforms Ray AdensamerSenior Manager, Product MarketingRadiSys (604) 918-6318 RadiSysConvedia Media Servers