Page 1 Accounting Management in a TINA- Based Service and Network Environment Patrick Hellemans, Cliff Redmond, Koen Daenen, Dave Lewis IS&N 99 - Barcelona

Page 2 FlowThru Project  ACTS Project: March February 2000  Focal Point of Research = Integrated Management Solutions Reuse, Customisation and Integration of Components Across organisational domains Across technological domains  Approach Define guidelines for system analysis and design Apply guidelines to the realisation of FlowThru system demonstrator

Page 3 Development Operation Management Systems Market Context Standard Organizations Component Vendors System Developers Service Providers Network Providers Frameworks & interfaces Business Needs Business Needs Frameworks & interfaces Requirements Components & Frameworks Requirements Integrated Systems

Page 4 Guidelines for Analysis and Design  Top-down approach Management Business Process Modeling (TMF, TINA-C)  Business Actors, Roles, Business Scenarios System Design  Components, Interactions, Information Flows Component Facades  Component Boundaries, External Actors, Interfaces  Bottom-up Approach Identification and analysis of reusable software components Adaptation and re-engineering requirements

Page 5 Guidelines for Analysis and Design  UML Notations Used At All Levels Profiling according to abstraction level Paradigm Plus and Rationale ROSE Session 3B Modeling Management Components for Reuse Using UML Dave Lewis

Page 6 FlowThru System Demonstrator - Business Scenarios  Accounting Scenario - subject of this paper  Fulfilment system pre-service phase Network planning, configuration and provisioning ATM connectivity services  Assurance system in-service phase Problem handling Adherence to Service Level Agreements Trouble Ticketing Service

Page 7 TM Forum Business Process Model Networks and Systems Management Processes Service/Product Development and Maintenance Processes Customer Care Processes Physical Network and Information Technology Sales Order Handling Problem Handling Customer QoS Mgt Invoicing/ Collection Service Planning/ Developmt Service Configu- ration Service Problem Resolution Service Quality Mgt Rating & Discounting Network Planning/ Developmt Network Provisioning Network Inventory Mgt Network Maintenance & Planning Network Data Mgt FulfilmentAssuranceAccounting

Page 8 Retailer Broker 3Pty Service Provider Connectivity Provider Consumer Mapping Onto TINA Business Model Invoicing/Collection Rating/Discounting Data Management Network Data Management Decomposed Into Service and Network Data Management

Page 9 Retailer Connectivity Provider Consumer FlowThru Accounting System Components Access Session Comp Access Session Comp Service Session Comp Service Session Comp Service Subscription Component Service Accounting Component Connection Management Component ATM Accounting Component Connection Management Component

Page 10 Retailer Connectivity Provider Consumer FlowThru Accounting System Components Service Session Comp Service Session Comp Service Subscription Component ATM Accounting Component Connection Management Component Connection Management Component Service Accounting Component Access Session Comp Access Session Comp Manage Secure Relationship Between Consumer and Retailer: service access, service subscription, … Implemented According to TINA Specifications Originate from VITAL Project Usage and Operation of Specific Service: - Digital Library - Multimedia Conference Implemented According to TINA Specifications Originate from VITAL Project Management of Subscription Contracts Implemented According to TINA Specifications Newly Developped for FlowThru Collecting and Collating Service-Level Usage Data, Generate Charges and Correlate with Network-Level Charges, Generate Consumer Bill Implemented According to TINA Specifications Originates from PROSPECT Connection Management on Top of ATM Network Implemented According to TINA Specifications Originate from VITAL and ReTINA Projects Collect Usage Data at Network (ATM) Level, Generate Network-Level Charges and Forward These to Service Accounting Component Newly Defined and Developped for FlowThru

Page 11 Accounting-Specific Use Cases  getBill Consumer Requests Bill for Certain Billing Period  getSessionCharges Consumer Requests Charges During Service Session  generateAccountableEvents Generate Accountable Events Towards Service and/or ATM Accounting Component  listAccountingSessions Request a List of Currently Active Management Accounting Sessions

Page 12 FlowThru Accounting System Components - Boundary Objects Retailer Connectivity Provider Consumer Access Session Comp Access Session Comp Service Session Comp Service Session Comp Service Subscription Component Service Accounting Component Connection Management Component ATM Accounting Component Connection Management Component Access Session Component Provider Agent: termination point of access session procedures in Consumer domain

Page 13 FlowThru Accounting System Components - Boundary Objects Retailer Connectivity Provider Consumer Access Session Comp Access Session Comp Service Session Comp Service Session Comp Service Subscription Component Service Accounting Component Connection Management Component ATM Accounting Component Connection Management Component Access Session Component User Agent: termination point of access session procedures in Retailer domain for one specific Consumer

Page 14 FlowThru Accounting System Components - Boundary Objects Retailer Connectivity Provider Consumer Access Session Comp Access Session Comp Service Session Comp Service Session Comp Service Subscription Component Service Accounting Component Connection Management Component ATM Accounting Component Connection Management Component Service Session Component Service Session User Application: termination point of service session procedures in Consumer domain for a specific service

Page 15 FlowThru Accounting System Components - Boundary Objects Retailer Connectivity Provider Consumer Access Session Comp Access Session Comp Service Session Comp Service Session Comp Service Subscription Component Service Accounting Component Connection Management Component ATM Accounting Component Connection Management Component Service Session Component Service Session Manager: Implements core logic of a specific service Generates accountable events towards Service Accounting Component

Page 16 FlowThru Accounting System Components - Boundary Objects Retailer Connectivity Provider Consumer Access Session Comp Access Session Comp Service Session Comp Service Session Comp Service Subscription Component Service Accounting Component Connection Management Component ATM Accounting Component Connection Management Component Subscription Component Subscription Agent: contact point within Subscription component for a specific Consumer Subscription Manager: manages subscription contracts

Page 17 FlowThru Accounting System Components - Boundary Objects Retailer Connectivity Provider Consumer Access Session Comp Access Session Comp Service Session Comp Service Session Comp Service Subscription Component Service Accounting Component Connection Management Component ATM Accounting Component Connection Management Component Service Accounting Component Account Manager: manages accounts for individual Consumers Usage Metering Data: receives, collects and collates accountable events at service-level Charge Control: calculates charges for a specific service session Bill Control: calculates Consumer bills Billing Aggregation: receives and correlates charges collected at network level

Page 18 FlowThru Accounting System Components - Boundary Objects Retailer Connectivity Provider Consumer Access Session Comp Access Session Comp Service Session Comp Service Session Comp Service Subscription Component Service Accounting Component Connection Management Component ATM Accounting Component Connection Management Component Connection Management Component Terminal Layer Adapter: termination point within Consumer domain of technology-specific connectivity management procedures

Page 19 FlowThru Accounting System Components - Boundary Objects Retailer Connectivity Provider Consumer Access Session Comp Access Session Comp Service Session Comp Service Session Comp Service Subscription Component Service Accounting Component Connection Management Component ATM Accounting Component Connection Management Component Connection Management Component Communication Session Manager: provides technology-independent connectivity service interface towards service level Layer Network Coordinator: coordinates technology-specific connectivity management procedures within a single administrative domain

Page 20 FlowThru Accounting System Components - Boundary Objects Retailer Connectivity Provider Consumer Access Session Comp Access Session Comp Service Session Comp Service Session Comp Service Subscription Component Service Accounting Component Connection Management Component ATM Accounting Component Connection Management Component ATM Accounting Component Metering Manager: receives, collects and collates accountable events at network (ATM) level Charge Manager: calculates charges collected at network (ATM) level

Page 21 Accounting System Realization - Status  Component and system analysis finalised  Component adaptation requirements identified  Component implementation adaptation on-going  System integration planned june-july

Page 22 Conclusions  FlowThru Guidelines Promote Reuse At Both Design and Implementation Level  Use of One Single Standard Notation (UML) At Different Abstraction Levels Eases Information Exchange, but More In-Depth Profiling of UML Notations Required  Component Facades Descriptions Ease Process of Building Management Systems by Reusing Existing Software Components Fitting components together to realize business scenarios Identifying required adaptations to reused components  TINA Specifications Sufficiently Detailed To Allow Component Integration Originated By Different Projects  FlowThru Guidelines and Demonstrator Results Will Be Presented to Teams of Experts During FlowThru Trial Phase (November 99)