APNOMS 2003 A New Operations Support System Architecture

APNOMS 2003 A New Operations Support System Architecture for Broadband IP Networks Jong-Rak Lee leejr@kt. co. kr October 2003

KT Changes in telecom operational environment v Explosive expansion of Internet and increase of users v Advent of many CLECs and ISPs in Internet business areas u Competition u Sophiscated customer requirements u Various IP networks and services v Various OSSs were developed to meet the needs for individual networks and services management, which resulted in u Proliferation of independent legacy OSSs u Increased OPEX KT Operations Support Systems Lab. -2 -

KT IP network is evolving so fast … DU/IS DN PSTN, ISDN x. DSL RAS NAS DSLAM K-LL AP-Hub GSR GES Router KORNET Core KIX M-Ethernet Best Effort S/W Qo. S/Security MPLS IP x. DSL M-Ethernet S/W Diff. Serv v Core : faster, traffic engineered v IPsec Edge : focus on Qo. S management KT Operations Support Systems Lab. -3 -

KT Managing new IP networks (1) v Increased requirements for service management u Qo. S/SLA management u Customer self-control Ø Top down provisioning Need for bottom-up data updating completed Billing Inventory query receive order processing Customer Self-control order processing user profile request Self-control Current provisioning Customer real-time configuration Internet KT Operations Support Systems Lab. provisioning Inventory Billing resource allocated usage count New ISP -4 -

Managing new IP networks (2) KT v Increased requirements for network management u Diff. Serv + MPLS management u Traffic volume management End-to-end flow management using Net. Flow and/or s. Flow u Integration of network and server management v Increased requirements for security management u Management of anomalous traffic u Separation of management network from service network KT Operations Support Systems Lab. -5 -

Why should current OSS be redesigned ? v Current Systems are u u v KT unable to support new IP services Can not deliver premium services such as Bo. D, Qo. S/SLA guarantee and security services So many OSSs developed on different platforms and different data models u u Data integrity and maintenance problems exist System development/Integration takes relatively longer time and is very expensive and risky Can not meet time to market requirement BML SENSE OMAS Net. IS SA 1. 0 SO 1. 0 SML RNMS NML EOCMS EMOS S I G N O S S N M S NEL ELITE TIMS RIMS DSLAM -EMS WLL -EMS CNM Hi. Net NMS Pub. Net NMS ATM NMS Nes. Pot NMS NAS NMS COLAN NMS MOST TEMS DXC-CON DMAS ATM EMS COAM B-DCS NMS FLC -EMS DXC-13 NMS TOMS MOAM PSTN/Power/Env ANSWERS Hi. TS ACOAM PMS CATMS IPx. DSL NMS DELMONS FM 1. 0 ITOS Disaster Mgmt EML K O S M O S Net. Solver CTMS ICIS MASTER Data Transmission/LL Access current major KT OSSs KT Operations Support Systems Lab. -6 -

Our goal to a New OSS (Ne. OSS) v Reduced time to market by u v KT Applying a common platform Improved data integrity by Applying a common data model u Single data entry but multiple uses u v Providing new functionalities to customers and operators u u u u Single sign-on Pre-ordering Order tracking SLA management Enhanced work force management On-line management of field information One-stop handling of customer service requests Ø Single point of contact u Reduction of service provisioning and fault handling time KT Operations Support Systems Lab. -7 -

KT New OSS (Ne. OSS) platform x. DSL Porvisioning OSS Receive Order Report Socket I/F Receive TT IP Traffic Management System Report Subscriber Facility Test GUI Status Config DB load Subscriber Facility XML/RPC Metro Ethernet Management System GUI Query Information Resource Alloc Provision Leased Line Porvisioning OSS SNMP … DB load SNMP/CLI Standard GUI /Single sign On Management Specific Applications Work order Configuration Performance Processing Management Etc. Network TP monitor Common Applications DB Loading Network Mgmt Topology Status Policy Scheduling Common DB Configuration Common Interfaces KT Operations Support Systems Lab. -8 -

New OSS (Ne. OSS) common data model KT Legacy OSS A ABC SDF Human error Data conversion Integrity Legacy OSS C ASDF check ㄱㄴㄷ ㄴㅇㄹ New OSS A Legacy OSS B Common DB New OSS C DB mediator KT Operations Support Systems Lab. -9 -

KT New OSS (Ne. OSS) interworking architecture Net. IS ICIS BMS Layer v Common interfaces EAI/Message bus u Workflow engine u Web services (XML/SOAP) u EAI SMS Layer SO Business Process Manager SA FM SLA EAI/Work. Flow WM ADM TOMS CNM MOST NMS Layer ETC Web services externalized process control IP-NMS ATM-NMS PUBNet FR-NMS TOMS : Telecom Outside plant Management System Net. IS : Network Information System CNM : Customer Network Management System SO : Service Ordeing System MOST : Transmission NMS SA : Service Assurance System IP-NMS : Internet(Kornat) NMS Internet(Kornat) SLA : SLA Management System ATM-NMS : ATM NMS ADM : Access Domain Manager PUBNet : Goverment Internet NMS WM : Workforce Management System KT Operations Support Systems Lab. ICIS : Integrated Customer Information Systtem FR-NMS : Frame Relay NMS - 10 -

Concluding remarks KT v New operational environment requires a new (next generation) OSS which will enable u Reduced time to market Ø Faster system development speed Ø Flexibility in a changing business environment u Improved service provisioning and maintenance accuracy Ø Ensured data integrity Ø Automated work order processing u Keeping customers satisfied Ø More information for customers on performance and usage Ø Ensured customer service level by pre-ordering, order tracking and trouble tracking, etc. KT Operations Support Systems Lab. - 11 -

KT v Next generation is just around the corner. v Now is the right time to start the development of a New (next generation) OSS. KT Operations Support Systems Lab. - 12 -