IMS Management Issues. OSS challenges in a NGN environment.

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1 IMS Management Issues. OSS challenges in a NGN environment. Dr. André Zehl Senior Manager Technology Strategy t-online.net Deutsche Telekom AG Products & Innovation 3rd International FOKUS IMS Workshop 2007, Berlin, November 16th, 2007

2 Agenda. Customer Expectations and Industry Trends From stovepipes to layers - NGN IMS Challenges to manage the NGN IMS infrastructures The role of standards in management Processes, data, systems & networks: areas for improvement in Next Gen OSS Conclusion Next Generation Service & Systems Management 2

3 Customer expectation towards the industry. Challenges that must be addressed in NGN IMS production. Telco customer needs and challenges to Telcos Telco challenge Simplified processes Perfect Customer Care: My every day Telco usage should be more simplified with contract signing, provisioning and usage! Reduction of effort for the customer: I look for a provider that is not complicated! Telco challenge Simplified processes Telco challenge Technological transformation in net infrastructure Innovation Driver: I look for a provider that safely and dynamically accompanies me towards the future and offers me innovation and direction! Service: Competency and Service in all areas must be guaranteed. Telco challenge Improvement in process and data Telco challenge Improvement in process, data and systems Quality: I want a future-proof, comfortable and simple fullservice for a fair price and no lock-in! Reliability : I look for a reliable provider, which is a good choice in all areas! Telco challenge Optimization of network infrastructure Source: DTAG internal study, April

4 Context of migration towards Next Generation Networks. Industry transformation induces the need for a new and highly competitive production environment. Drivers Market Changes Extensively growing competition Price decline New attackers esp. aggressive IP players Internet goes wireless Customer Expectation Changes Need to attract upmarket customers Ease-of-use increasingly relevant Higher customer service requirements Requirements Significant reduction of production costs Improve production performance and customer service levels Product Changes Convergence (Fixed/Mobile & ICT) Access- and device-agnostic broadband multimedia services Product life cycles getting shorter and shorter Increase flexibility (innovation rate, time-tomarket of new products/ services) 4

5 Agenda. Customer Expectations and Industry Trends From stovepipes to layers - NGN IMS Challenges to manage the NGN IMS infrastructures The role of standards in management Processes, data, systems & networks: areas for improvement in Next Gen OSS Conclusion Next Generation Service & Systems Management 5

6 Telco Enterprise Network Architectures. The overall network architecture will move from stovepipes to a unified production. From stovepipes per service to an open standardized layered architecture Central Functions Central Functions Fixed Access Services Services Services Control Control Control OSS Transport Transport Transport Aggregation Aggregation Aggregation Wireless Access Service Delivery Platform Service Delivery Platform Application Plane Control Plane (IMS) Fixed Transport Plane Aggregation Plane Access Plane Service Delivery Platform Wireless Next Generation OSS Technology Architecture Integration Services Circuit-switched Copper GSM/UMTS Vertical stovepipes /silos Duplicated elements per silo Multiple production platforms Network centered around voice services Packet-switched (IP- and Ethernet-based) Optical 1) OFDM 2) Horizontal layers Simplified common network architecture with fewer elements Shared production elements Network supporting broad set of applications Common service capabilities for fast product development 1) Optical and copper in last mile 2) OFDM = Orthogonal Frequency Division Multiplexing 6

7 Agenda. Customer Expectations and Industry Trends From stovepipes to layers - NGN IMS Challenges to manage the NGN IMS infrastructures The role of standards in management Processes, data, systems & networks: areas for improvement in Next Gen OSS Conclusion Next Generation Service & Systems Management 7

8 IMS Operation Support Systems (OSS) Crossing point of OSS & IMS Technological OSS challenges for IMS Top down approach IMS standardization readiness OSS Quality of Service Maturity of Technology (at Vendors) Interoperability mix and match Migration IMS Management Issues Security IT vs. NT Process integration Lifecycle Management IMS Bottom up approach 8

9 Next Generation OSS Business Architecture. OSS scope perspectives stakeholders and interfaces. Market products supplier (interface) management customer (interface) management customer (interface) management BSS Get market requirements Interfaces with Product Mgmt. product features Technical Product Catalogue OSS Interfaces with Resource Lifecycle Mgmt Production Technologies 9

10 Scope of OSS in a NGN context. Definition of OSS and extension of classical reach of OSS providing enabling capabilities. Order processing Receive orders Order entry & allocation Workforc Workforce e Managem Mgmt. ent Discovery Capacity Mgmt. Config. Mgmt. Legend: Business process relevant triggers OSS interfaces Fulfillment Description of OSS Technical Custom Order Service Managem Engineering ent Provisioni Activation ng Element Abstraction Assurance Service Quality Mgmt. Resource Perf. Mgmt. Network infrastructure Billing Bill posting Dispatch to customer OS & R Fulfillment Assurance Mediation Service Trouble Mgmt. Trouble Ticket Mgmt. Resrc. Trouble Mgmt. Within end-to-end-processes, OSS builds the interface between BSS and the network. Test & Diagnostics Security Management Usage Mediation (Pre- & Post-Paid) BSS OSS Network Scope Application Plane Control Plane Transport Plane Aggregation Plane Access Customer Equipment Legend: Classical OSS Cross domain view Extension Classical OSS Extension Coverage of NG OSS initiative Classical OSS capabilities and reach NG OSS capabilities and reach OSS coverage extends over the NGN architecture planes 10

11 Next Generation Service and System Management. One logical platform architecture for the management of NGN reduces complexity while improving efficiency. OSS landscape Industry trends NG OSS - Benefits Isolated local OSS: One logical platform architecture: Reduced complexity: One logical platform Common Integration & Process Automation architecture following Common Data Management standards and best practice Realized savings: Fulfillment Assurance Mediation Reduced number of OSS and optimized process PSTN ATM/ IP TDM Improved flexibility IDN+ FR OSS OSS and optimized process OSS OSS Element Abstraction speed: Modular NG SDH / PDH - OSS Advanced IT technologies are OSS architecture increasingly used in the telco world overarching all planes State-of-the-art solutions are service Customer interaction WDM - OSS oriented, enabling integration and enabling: Customer flexibility self service portals Historical grown structure Federated data usage (inventories) and Seamless services are Many one-to-one interfaces an automated process design following supported: Cross- No open architecture business needs domain view through Missing standardization NG OSS functions Voice OSS Video OSS Leased Line OSS Circuit Data OSS Switched Data OSS Managed IP OSS Internet OSS 11

12 Agenda. Customer Expectations and Industry Trends From stovepipes to layers - NGN IMS Challenges to manage the NGN IMS infrastructures The role of standards in management Processes, data, systems & networks: areas for improvement in Next Gen OSS Conclusion Next Generation Service & Systems Management 12

13 The role of standards. Finally, OSS standards and frameworks, especially etom and ITIL, provide great value for open, modular NG OSS architectures. Standardization and framework input NG OSS coverage of etom etom NGOSS ITIL NG OSS Functional Architecture 3GPP TISPAN MTNM IPNM Main input sources to the Next Gen OSS architecture development Customized / adapted areas of the process areas of etom (e.g. as highlighted above) could be the bases for a Next Gen OSS functional architecture. Source: etom release 5 13

14 NGOSS References etom. The enhanced Telecom Operations Model (etom). Source: TM Forum - etom Release 6 14

15 Agenda. Customer Expectations and Industry Trends From stovepipes to layers - NGN IMS Challenges to manage the NGN IMS infrastructures The role of standards in management Processes, data, systems & networks: areas for improvement in Next Gen OSS Conclusion Next Generation Service & Systems Management 15

16 Next Gen OSS: Separation of process, systems, common data and network increases flexibility. Data Areas for im provement in classical Telco environments Improvements with NG OSS Process Decoupling of products and production Product oriented processes; no need for process design process definition per product Reduced manual effort in implementation End to end of processes higher degree of automization automation of processes automization System Historically grown large number of systems Tax to integrate technologies and services in existing OSS landscape Homogeneous system landscape with reduced number of systems Full flexibility for extension of modules and functions Degree of flexibilityin in scaling existing systems Full scaling flexibility Data quality and Common Data Management enables master data management flexible data re-use Flexible management of data Data exchange is enabled over standardizes interfaces Networkinfrastructure Static Quality of Service Comprehensive Services with varying degrees of QoS are possible Convergence of networks and network technologies Converged mass-market services are enabled 16

17 Agenda. Customer Expectations and Industry Trends From stovepipes to layers - NGN IMS Challenges to manage the NGN IMS infrastructures The role of standards in management Processes, data, systems & networks: areas for improvement in Next Gen OSS Conclusion Next Generation Service & Systems Management 17

18 The NGN architecture with a domain view on Next Gen OSS. A Next Generation Service and System Management (NGSSM) approach should support all Telco Services. Application Plane Control Plane Transport Plane Common Integration & Process Automation Common Data Management Fulfillment Assurance Mediation Business Plane Telco Service Aggregation Plane Access Customer Equipment Element Abstraction Management Plane - NGSSM 18

19 Conclusion. If the industry manages the OSS challenges, the current production requirements can be addressed in the IMS-based NGN. Requirements Improvements in production platforms Significant reduction of production costs More efficient operations with a higher degree of automation More efficient usage of network resources Reduction of network complexity and diversity Improve production performance and customer service levels Simplified and faster provisioning of services to customers Better service management with higher degree of automation reduction of lead time to repair QoS levels equal or higher than today Increase flexibility (innovation rate, time-tomarket of new products/ services) Improved seamlessness Services are access-agnostic through IP network abstraction Flexible deployment of new IP-based services with reduced time-tomarket Enabling of future converged services 19

20 Thank you very much for your attention!

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