Lucent s IMS Vision: Building a Services Enhancement Layer on top of the IMS Core Standards

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1 Lucent s IMS Vision: Building a Services Enhancement Layer on top of the IMS Core Standards Bharat Kumar Network Data and Services Research Bell Labs, Lucent Technologies Oct 7, 2005

2 Lucent IMS Vision: Outline Blended Lifestyle Services IMS Core and Services Enhancement Layer What and Why Service Broker Lucent Unified Subscriber Data Server (with Data Grid, Identity Management) Vortex Rules Engine (and Policy Management Infrastructure) Summary Oct 7, 2005 Lucent's IMS Vision, with Services Enhancement Layer 2

IMS enables a new user-centric paradigm in the communication industry Mobility Domain Consumers on the move WiFi Domain At home IMS enables a consistent user experience unifying domains, across

different network types User will have more control - to different user personas, profiles and to personalize information The network will become more intelligent - capturing user context, location

3 IMS enables a new user-centric paradigm in the communication industry Mobility Domain Consumers on the move WiFi Domain At home IMS enables a consistent user experience unifying domains, across different networks, user identities & applications Working remotely Residential Domain Enterprise Domain At work Users will have ubiquitous access to all their services independent of devices and different network types User will have more control - to different user personas, profiles and to personalize information The network will become more intelligent - capturing user context, location and more Users will define their own experiences Blended Lifestyle Services: Useful combinations of services Can be realized on IMS in near-term Can increase network operator revenues Oct 7, 2005 Lucent's IMS Vision, with Services Enhancement Layer 3

Blending of IPTV and Call Control Example: TV Caller ID Caller-ID information appears on TV Screen Options menu appears Using cursor controls on remote, highlight desired

Program could automatically pause while customer makes decision and automatically unpause when OK is pressed. Other scenarios E.g., Video and data services blending While

4 Blending of IPTV and Call Control Example: TV Caller ID Caller-ID information appears on TV Screen Options menu appears Using cursor controls on remote, highlight desired action In this case, send call to voice mail Press OK on remote Call is forwarded to voice mail system Phone stops ringing Continue watching program. Program could automatically pause while customer makes decision and automatically unpause when OK is pressed. Other scenarios E.g., Video and data services blending While watching a football game, customer could pause the game, then browse web page for game statistics Answer Call Send-to- Voice Mail Cancel Call Oct 7, 2005 Lucent's IMS Vision, with Services Enhancement Layer 4

Blended Services Example: Active Phone Book I ve done enough speaking for today, unless my boss calls Bad hair

family can reach me << Prototype Version >> Unified access to address book, buddy groupings Realtime presence,

Click-to-IM, etc Message waiting indicator Market Research: Willingness To Pay for Active Phone Book is greater

5 Blended Services Example: Active Phone Book I ve done enough speaking for today, unless my boss calls Bad hair day, no video for me, except for my family I ll be away from the desk for a little while, but friends and family can reach me << Prototype Version >> Unified access to address book, buddy groupings Realtime presence, location, device capabilities for your buddies Personalization of presence/availability Click-to-call, Click-to-IM, etc Message waiting indicator Market Research: Willingness To Pay for Active Phone Book is greater than Willingness to pay for Contact List + Presence + PTT Oct 7, 2005 Lucent's IMS Vision, with Services Enhancement Layer 5

6 Lucent IMS Vision: Outline Blended Lifestyle Services IMS Core and Services Enhancement Layer What and Why Service Broker Lucent Unified Subscriber Data Server (with Data Grid, Identity Management) Vortex Rules Engine (and Policy Management Infrastructure) Summary Oct 7, 2005 Lucent's IMS Vision, with Services Enhancement Layer 6

What the standards give us: The IMS Core Separation of signaling from bearer traffic Access-independent support for multi-media communication Componentized architecture enables extreme flexibility

7 What the standards give us: The IMS Core Separation of signaling from bearer traffic Access-independent support for multi-media communication Componentized architecture enables extreme flexibility Easy to introduce new services Device Client AnyPath Push-to-Talk My Messaging Movies Access RAN Transport User Profile Data HSS data AAA Charging Data Presence Data Location Data AnyPath Unified Messaging Applications Telephony Application Server 5000 AnyPath Push-to-Talk My Messaging Movies WiFi Common IP Core Common Session Control CSCF MRFC CGF Multimedia MiRingBack AnyPath Push-to-Talk My Messaging Movies Common Media Server Common Billing System Multi-party Gaming LAN CSCF Call Session Control Function MRFC Media Resource Function Control Your favorite CGF Charging Gateway Function HSS Home Subscriber System application Intelligent Parlay/OSA Services Mediation goes here Gateway Oct 7, 2005 Lucent's IMS Vision, with Services Enhancement Layer 7...

8 A Fundamental Shift in Telecom Traditional legs of telecommunications Signaling Bearer Traffic A new leg: Context Data Dynamic: presence, location More stable: Buddy phone numbers, buddy relationships, Interpretation of the data: combining context and preferences -- Strong overlap with IT techniques But: Driven by Realtime, High Performance, Complex Sessions, Asynchonous Events Oct 7, 2005 Lucent's IMS Vision, with Services Enhancement Layer 8

groupings, preferences) Transport Lucent Extensible Client WiFi Presence and Location aggregated; can be interpreted according to

Charging Data Location Data Vortex Presence /Locatio n Server DataGrid Service Broker AnyPath Unified Messaging Vortex rules engine,

Telephony Application Server 5000 LAN Intelligent Services Gateway Lucent Extensible Client, that provides a Best-in in-class

9 IMS Core and Lucent s Service Enhancement Layer Device Single point-of-access for (dynamic and static) subscriber Access profile data A logically centralized database for subscriber-specific, specific, RAN applic-relevant data (including address books, buddy groupings, preferences) Transport Lucent Extensible Client WiFi Presence and Location aggregated; can be interpreted according to user preferences via Vortex rules engine Common IP Core Programmable component that coordinates services among distributed application Common servers, without having to Media Server change those servers User Profile Data Subscriber Application Specific Information (SASI) Common Session Control CSCF MRFC CGF Presence Data Common Billing System Services Enhancement HSS data AAA Charging Data Location Data Vortex Presence /Locatio n Server DataGrid Service Broker AnyPath Unified Messaging Vortex rules engine, acting as a policy decision point, logically sprinkled throughout network. Telephony Application Server 5000 LAN Intelligent Services Gateway Lucent Extensible Client, that provides a Best-in in-class platform for key IMS enablers and Parlay/OSA- Parlay/OSA Mediation applications for the handset compliant Oct 7, 2005 Lucent's IMS Vision, gateway with Services Enhancement Layer 9 Multimedia MiRingBack Multi-party Gaming...

10 Lucent IMS Vision: Outline Blended Lifestyle Services IMS Core and Services Enhancement Layer What and Why Service Broker Lucent Unified Subscriber Data Server (with Data Grid, Identity Management) Vortex Rules Engine (and Policy Management Infrastructure) Summary Oct 7, 2005 Lucent's IMS Vision, with Services Enhancement Layer 10

11 Service Broker: Enabling rich service blends Controlling interactions has been very challenging Services now in Application Layer May have short-lived applications/application implementation S-CSCF filter criteria do not support flexible interleavings of services Mix of significant investment applications (e.g., TAS, messaging systems) and lighter weight varieties (new SIP app servers) Service Broker will overcome these challenges May want blends to depend on presence information, location information, policy information, other network information May want blends to depend on information obtained from web servers, IVRs May want blends to depend on and influence Session Context Provides enriched end user experiences and new revenue opportunities Service Broker can be used as a tool for enabling rapid deployment of new combinations of services in an IMS network Oct 7, 2005 Lucent's IMS Vision, with Services Enhancement Layer 11

) Experience Management Maintains session level info, # and type of active links Reliable, persistent, centralized control Active, inactive, and multisession awareness and control Network

12 Service Broker: Blend Services Without Having to Modify Them IMS SDHLR (Access to profile data) SIP S-CSCF Lucent Enhanced Service Broker Application Servers Lucent Enhanced Service Broker Application Interaction Management Serial and parallel application invocation Static and dynamic service logic x-enables combined services (x is presence, policy, etc.) Experience Management Maintains session level info, # and type of active links Reliable, persistent, centralized control Active, inactive, and multisession awareness and control Network operator can specify interactions between multiple Services Enables quick incorporation of new services, and creation of new service bundles for market segments Oct 7, 2005 Lucent's IMS Vision, with Services Enhancement Layer 12

13 Lucent IMS Vision: Outline Blended Lifestyle Services IMS Core and Services Enhancement Layer What and Why Service Broker Lucent Unified Subscriber Data Server (with Data Grid, Identity Management) Vortex Rules Engine (and Policy Management Infrastructure) Summary Oct 7, 2005 Lucent's IMS Vision, with Services Enhancement Layer 13

14 Managing Subscriber Profile Data: What is wrong with current mode of operation? Today: Expensive to build new applications Costly to maintain (MxN connectivity) IM Server Subs dbase Instant Messaging Application IP Centrex IP Centrex Application Subs dbase Time consuming to develop Legacy Database Call Routing Subs dbase Next Generation Call Routing Application Difficult to share profile data between applications TDM Switch TDM Switch Legacy TDM MSC HLR Directory Server Subs dbase Presence Enabled Directory Application No common data schema Soft Switch Next Gen PSTN Call Control Subs dbase Presence Server Presence Application Subs dbase... Next Generation Applications Oct 7, 2005 Lucent's IMS Vision, with Services Enhancement Layer 14

15 Tiered approach to User Profile Management The User Profile Problem: No consolidated user profile Network Operator Domain Telephony App Servers, Messaging, Customer Care, = Expensive to deploy new apps, due to: -- inflexibility of data -- inflexible service schema Stand alone AAA servers = additional Opex costs + operational complexity IMS deployment = Yet another set of User Profiles (the HSS) AnyPath Messaging Messaging HSS IMS IMS Customer Customer Care Care AAA WLAN WLAN Oct 7, 2005 Lucent's IMS Vision, with Services Enhancement Layer 15

16 Tiered approach to User Profile Management (cont.) Network Operator Domain Solution to the User Profile Problem (part 1) - Centralized Database Common, distributed platform = Reduced Opex costs Unified User Database = Single user subscription & multiple profiles Useful in some circumstances (e.g., for HSS, end-user address book) DB Centralized Database Apps Data Centralization HSS AnyPath Messaging Messaging IMS IMS Customer Customer Care Care AAA WLAN WLAN Oct 7, 2005 Lucent's IMS Vision, with Services Enhancement Layer 16

17 Tiered approach to User Profile Management (cont.) Network Operator Domain The Lucent Data Management Solution - DataGrid Multiple databases easily accessible to any application Single point of access to data for applications Leverage data in legacy databases DataGrid DB Apps Data Federation (1) DB Ex: Telephony AS, VPN, Messaging, etc. Centralized Database HSS Apps Data Centralization AnyPath Messaging Messaging IMS IMS Customer Customer Care Care AAA WLAN WLAN Oct 7, 2005 Lucent's IMS Vision, with Services Enhancement Layer 17

18 Tiered approach to User Profile Management (cont.) ISP Domain DB Ex: AOL IM, Yahoo Calendar, etc. Apps Network Operator Domain GUP Data Federation (2) DataGrid DB Apps Data Federation (1) DB Ex: Telephony AS, VPN, Address Book, etc. AnyPath Messaging Messaging Centralized Database HSS IMS IMS Customer Customer Care Care AAA WLAN WLAN Oct 7, 2005 Lucent's IMS Vision, with Services Enhancement Layer 18 Apps Data Centralization

19 Two kinds of Centralized Profile Data: Lucent s SDHLR/HSS: Home Subscriber Server for IMS Networks Fully Converged Subscriber Management Platform for circuit & IP networks Based on Lucent s mature SDHLR platform: scalable, reliable Unified subscriber profile data for multiple devices, including dual-mode handsets AAA server capabilities for IP data networks: wireline, Wi-Fi, 1xRTT, EV-DO Can support HLR/HSS functionality across wireline/wireless networks IMS Service Profile Multiple Devices ANSI41 Service Profile Common Service data GSM/UMTS Service Profile SDHLR: HLR & HSS Unified Subscriber Profile For call processing COPS Core Logic & Data Functions IMS HSS PDLS Roaming SIP AS ANSI41 PDLS AAA Radius Diameter SIP AS I -CSCF S -CSCF MSC/VLR 1xRTT EV-DO Subscriber Application-Specific Info (SASI) Network-hosted store for application data E.g., address book, buddy groupings, preferences This data might be used by multiple applications E.g., buddy groupings for call notification/forwarding, IM, preference settings Rich query access, e.g., LDAP, ODBC/SQL: more flexible than HSS standard SIP ANSI41 Radius Wi-Fi IMS Networks CDMA Networks IP Data Networks Oct 7, 2005 Lucent's IMS Vision, with Services Enhancement Layer 19

20 DataGrid in action AnyWare call forwarding/blocking XML Active Phone Book ODBC Recurring Business Conf call LDAP... Unified Schema (ER model) XML View Sh View User Has ODBC View LDAP View Has Buddies Device Data Grid = data server that provides each application with a unified view of all subscriber-related data that it needs Location Info Device Status Forwarding # Data Grid ODBC (oracle) ODBC (xten) Event streams XML LDAP LDAP ODBC (MS) LDAP (MS) Presence Server Forwarding # MobileActiveFlag HLR MSC PrePay Begin_Call End_Call Balance SIP Registrar Outlook Exchange server Address book Microsoft Active Directory Multiple, heterogeneous data producers (network components, and apps) Multiple data consumers, support for LDAP, ODBC, XML Unified schema based on Entity-Relationship model More easily supports LDAP, relational, XML Data at Data Grid may be virtual, materialized, or stream view Oct 7, 2005 Lucent's IMS Vision, with Services Enhancement Layer 20 AAA Auth info

21 Identity Management, LA and 3GPP GUP: Using and Going Beyond the Standards Example: Giving wireless users a zero-sign-on experience SP Admin Domain Service Bureau or Enterprise SDHLR Service Provider DF DF GAA DF DF Id Mgr 3 I S App Service Bureau Or Enterprise 2 1 SIM Terminal IS: Identity Server Capability SP and Service Bureau are in Circle of Trust SP network manages SAML tokens and acts as Identity Provider (IdP) Extensions useful for telecom Managing multiple identities for an individual e.g., personas, pseudonyms, randonyms Personalized access control to profile data Requester-targeted, context-aware, preferences-driven Oct 7, 2005 Lucent's IMS Vision, with Services Enhancement Layer 21

22 Lucent IMS Vision: Outline Blended Lifestyle Services IMS Core and Services Enhancement Layer What and Why Service Broker Lucent Unified Subscriber Data Server (with Data Grid, Identity Management) Vortex Rules Engine (and Policy Management Infrastructure) Summary Oct 7, 2005 Lucent's IMS Vision, with Services Enhancement Layer 22

23 Vortex: What and Why Vortex is a policy management infrastructure A rules language appropriate for telecom personalization and services enablement layer A fast rules engine (decisions within a millisecond) Ways to apply Vortex Personalization and ease-of-use for the end-user, e.g., Targeted interpretation of presence/availability (Semi-)automatic management of location sharing permissions Personalized feature interactions (e.g., call waiting vs. voic ) Nimbleness for the network operator, e.g., Quick incorporation of new pricing policies in billing (Frequent) tuning of access parameters in the MiLife ISG Note: Vortex can be used as a tool for enabling rapid development and deployment of new capabilities in legacy networks Oct 7, 2005 Lucent's IMS Vision, with Services Enhancement Layer 23

24 Policy Reference Architecture (as found in, e.g., IETF and Parlay/OSA) Policy Decision Point the component making the decision the decision in itself does not have any impact or side-effect Policy Enforcement Point the place in a component that enforces the decision can be multiple Enforcement Points within a component Policy Execution Point the place in a component actually performing the enforcement (sometimes merged with Policy Enforcement Point) Policy Repository the component storing the policies Policy Administration Point for provisioning, checking policies Policy-enabled Application or Service Policy Enforcement Point Policy Execution Point Network Resources Policy Repository Policy Decision Point Policy Administration Point Relevant Data i.e., the Rules Engine Separation of components forces Deliberate input/output perspective on decision requests Structured, more reliable use of policy engine Oct 7, 2005 Lucent's IMS Vision, with Services Enhancement Layer 24

Friends Night Out Demo Privacy-Conscious Personalization (PCP)

On Call In Meeting After Work Sally (non-employee) Whippany Wi-Fi

Presence/Availability Requester-targeted Context-aware

25 Friends Night Out Demo Privacy-Conscious Personalization (PCP) Component Michael Acme Corp BLDG 1 Michael s activities: At work On Call In Meeting After Work Sally (non-employee) Whippany Starbucks Service Broker Data Grid Vortex Tom Acme Corp BLDG 2 Presence/Availability Requester-targeted Context-aware Preferences-driven Oct 7, 2005 Lucent's IMS Vision, with Services Enhancement Layer 25

26 The key to rich, flexible personalization: Apply the logic every time a request is made Michael is on freeway between office and home Sally Michael has pre-provisioned his preferences If working, let co-workers see me Is Michael available, and how? Request Raw user Presence/ Location User Preferences PCP Infrastructure Vortex Data Grid Relevant Data Sources (e.g., Calendar, Corp. Directory, Vortex rules engine used to execute the decisioning logic Fast enough to include in call flows Decision Key Issue: Many applications, many different kinds of users Vortex makes it cheap and fast to specify the different decisioning logic for diff apps and user segments Oct 7, 2005 Lucent's IMS Vision, with Services Enhancement Layer 26

27 Vortex for Nimbleness: Policy-enabled SurePay << being productized >> Wait till John sees this video clip! Promotion for new users of video cell phones: 5% discount on all calls using > 30 seconds of video Network Operator Mary John What discount for this call? Pre-pay billing policies can be modified in 2-3 weeks Call Control SurePay Billing System Requests Decisions Vortex Rules Engine 5% discount Vortex rules engine uses policy to combine variety of factors to decide What promotions a call is eligible for What is per-second charge for call currently in progress Oct 7, 2005 Lucent's IMS Vision, with Services Enhancement Layer 27

28 Vortex for Nimbleness: Enhancing QoS in IMS with Vortex << exploration >> Load Balancing-aware QoS Modify DO QoS parameters, e.g., codecs, bandwidth, Modify IP QoS parameters Incorporate SIP header info (desired bandwidth, priority, ), network load Subscriber and Application Specific QoS Modify SDP parameters, e.g., desired bandwidth, priority, SB knows all the AS s SB or Vortex can access HSS, Presence Server IMS Network Element Access Network Network Element S-AAA Vortex H-AAA HSS S- CSCF Service Broker AS ASAS MGCF Vortex PDF Gq (Diameter) P- CSCF Go AT BTS RNC GGSN/F A T1 R IP Network Diffserv/ MPLS Oct 7, 2005 Lucent's IMS Vision, with Services Enhancement Layer 28 R HA+ QoS MGW

29 DB Mgmt and Policy Mgmt Key Application Data Application Key Logic Data Very old fashioned data management Conventional Telecom Application Application Database Management System Application Requests Decisions Policy Mgmt (Vortex) Modern data management Policy-enabled Telecom Application Separating the data/logic gives more flexibility, nimbleness Decisions with Vortex take about a millisecond (+ data access) Oct 7, 2005 Lucent's IMS Vision, with Services Enhancement Layer 29

30 Lucent IMS Vision: Outline Blended Lifestyle Services IMS Core and Services Enhancement Layer What and Why Service Broker Lucent Unified Subscriber Data Server (with Data Grid, Identity Management) Vortex Rules Engine (and Policy Management Infrastructure) Summary Oct 7, 2005 Lucent's IMS Vision, with Services Enhancement Layer 30

31 Recap IMS standards: Revolutionary new flexibility in creation of telecom services Access independent Ease of incorporating new applications/services Lucent s Services Enhancement Layer: Allowing SPs to take full advantage of IMS in cost-effective manner Service Broker Blend services and customize service interactions without changing the underlying application servers Unified Subscriber Data Server Enable applications to easily get end-user data and context Vortex policy management infrastructure Enables rich user-directed personalization of services Gives network operator flexible control over traffic engineering Additional/Complimentary components Presence/Location Server, IMS Extensible Client, AnyPath Messaging system, SurePay billing system, Oct 7, 2005 Lucent's IMS Vision, with Services Enhancement Layer 31

Multimedia Applications in a Converged World. Sid Ahuja Alcatel-Lucent, Bell Labs VP, Convergence and Software Research

Multimedia Applications in a Converged World Sid Ahuja Alcatel-Lucent, Bell Labs VP, Convergence and Software Research Convergence, VoIP, IMS and NGN IP Transformation.. VoIP Lower cost of components and