Toward Innovative Model based Enterprise IT Outsourcing Vinay Kulkarni and Sagar Sunkle NGEBIS Workshop at CAISE 2013 Overview – Problem Business Enterprise Overview – Problem Business Enterprise Business Silos for Ease of Management and Control Overview – Problem – State of IT systems Transactional IT needs : day-to-day operational requirements IT Need 1 Enterprise IT Need 2 IT Need 3 … Transformational IT needs : responding to change; multiple change drivers active- dynamic supply chains, mergers and acquisitions, globalization and regulatory compliances, cloud and mobile technology Both kinds originate in strategic, tactical, and operational goals of the enterprise Overview – Problem – State of IT systems Transactional IT needs : day-to-day operational requirements Enterprise IT Need 1 IT Need 2 IT Need 3 … IT System 1 IT System 2 IT System 3 … Overview – Problem – State of IT systems Transactional IT needs : day-to-day operational requirements Enterprise IT Need 1 IT Need 2 IT Need 3 … IT System 1 IT System 2 IT System 3 … Only local context known (if at all); enterprise-wide context unknown Overview – Problem – State of IT systems Transactional IT needs : day-to-day operational requirements IT Need 1 IT Need 2 IT Need 3 … IT System 1 IT System 2 IT System 3 … Enterprise Implement or improve in Specific Contexts of Business Silos Overview – Problem – State of IT systems Transactional IT needs : day-to-day operational requirements IT Need 1 IT Need 2 IT Need 3 … IT System 1 IT System 2 IT System 3 … Enterprise Locally Operational/Optimal Overview – Problem – State of IT systems Transactional IT needs : day-to-day operational requirements IT Need 1 IT Need 2 IT Need 3 … IT System 1 IT System 2 IT System 3 … Enterprise Globally Optimal ? Overview – Problem – State of IT systems Transactional IT needs : day-to-day operational requirements Enterprise IT Need 1 IT Need 2 IT Need 3 … IT System 1 IT System 2 IT System 3 … Overview – Problem – State of IT systems Transactional IT needs : day-to-day operational requirements Enterprise IT Need 1 IT Need 2 IT Need 3 … IT System 1 IT System 2 IT System 3 … Implementation of Functionalities servicing globally felt need may overlap due to lack of knowledge about enterprise-wide context Overview – Problem – State of IT systems Transactional IT needs : day-to-day operational requirements Enterprise IT Need 1 IT Need 2 IT Need 3 … IT System 1 IT System 2 IT System 3 … Specific contexts may also result in Non-interoperable technologies Overview – Problem – State of IT systems Transactional IT needs : day-to-day operational requirements Enterprise IT Need 1 IT Need 2 IT Need 3 … IT System 1 IT System 2 IT System 3 … Globally Sub-optimal design of operational processes Overlapping Functionalities Non-interoperable Technologies Overview – Problem- IT Outsourcing Headcount-based model/harmonization of software/ hardware etc. is insufficient Enterprise IT Need 1 IT Need 2 IT Need 3 … IT System 1 IT System 2 IT System 3 … Enterprises are expecting more- outcomebased pricing- enterprises focus on core competencies, rest all as an end-to-end solution by service provider Overview – Toward Solution Multiple IT Systems of an Enterprise Enterprise 1 IT Need 1 IT Need x IT System 1 IT System x Technology Infra Hardware Infra Technology Infra IT Plant Hardware Infra Overview – Toward Solution Multiple IT Systems of multiple enterprises from same domain Enterprise 1 IT Need 1 IT System 1 Technology Infra Enterprise 2 … IT Need 1 IT System 1 Hardware Infra IT Plant 1 … Technology Infra Hardware Infra IT Plant 1 Product Line of IT Plants … Overview – Problem – State of IT systems Transformational needs addressed based on experts’ knowledge Enterprise IT Need 1 IT Need 2 IT Need 3 … IT System 1 IT System 2 IT System 3 … Overview – Toward Solution Transformational decisions do not view enterprise holistically Business Enterprise IT System Infrastructure Key Dimensions of Enterprise MUST represent enterprise in its entirety Overview – Toward Solution Analysis World Enterprise Operational World Overview – Toward Solution reduce Analysis World Dependence on expert knowledge Address core issues tackle Enterprise Operational World Globally Sub-optimal design of operational processes Overlapping Functionalities Non-interoperable Technologies Overview – Toward Solution Analysis World [Model-driven] Enterprise Operational World [Model-driven] Goals, operational processes, organizational structure etc. models closer to the business domain; questions regarding efficacy of the as-is state; Path to desired to-be state w.r.t given property(ies) Overview – Toward Solution Analysis World [Model-driven] Enterprise Operational World [Model-driven] Reduce dependence on expert knowledge by Enabling data and model-driven decision making Overview – Toward Solution Analysis World [Model-driven] Enterprise Operational World [Model-driven] models of the complete IT plant that automate a set of operational processes through a set of IT systems ensuring correct operation of the enterprise both in functional and nonfunctional sense Overview – Toward Solution Analysis World [Model-driven] Enterprise Operational World [Model-driven] IT Plant product line for multiple enterprises in same domain Overview – Toward Solution Analysis World [Model-driven] Enterprise Operational World [Model-driven] IT Plant product line for multiple enterprises in same domain Overview – Toward Solution Analysis World [Model-driven] Bidirectional traceability; use insights from analysis world in operational world; Keep analysis models updated with operational changes Enterprise Operational World [Model-driven] Overview – Toward Solution Analysis World [Model-driven] Enterprise Specification Enterprise Simulation Enterprise Research work packages IT Plant Specification IT Plant Contract Specification IT Plant Testing Operational World [Model-driven] IT Plant Deployment Overview – Toward Solution Analysis World [Model-driven] Enterprise Enterprise Specification Enterprise Simulation Research work packages IT Plant Specification IT Plant Contract Specification Operational World [Model-driven] IT Plant Testing IT Plant Deployment Overview – Toward Solution Analysis World [Model-driven] Enterprise Early Results Enterprise Specification Enterprise Simulation Ontological representation for machine-processable and analyzable enterprise models Intentional and system dynamics models for capturing “Why” in enterprise Operational World [Model-driven] Overview – Conclusion Analysis World [Model-driven] Enterprise Enterprises Win-Win Situation Operational World [Model-driven] Service Provider Thanks!! Questions? Questions Products and Processes of Public Sector Bank Specification & Analysis of Enterprise Models Enterprise Simulation Domain Models Domain Models IT Plant Architecture IT Systems/Plant Models IT Systems Architecture Domain Model Verification IT Systems Architecture Reconstruction IT Systems Models for Change Agility Adaptive Systems Business Rule Extraction Operational World [Model-driven] Enterprise Models Analysis World [Model-driven] Research Challenges Research Challenges Analysis World [Model-driven] Specification and Analysis of Enterprise Models Goal Machine-processable enterprise models Enterprise-wide analysis of satisfaction of properties Enterprise Purpose Enterprises are complex interconnected systems of systems Use cases- directives, objectives, policies and regulatory compliances and so on, scenarios of interaction between enterprisesOutsourcing, M&A, etc. Approach Early results ontology based enterprise models, what-if/if-what analyses Techniques for measuring properties, quantification Research Challenges Analysis World [Model-driven] Enterprise Simulation Goal Capture behavior of Enterprise Measure and Optimize the effectiveness of Enterprise goals by playing out what-if scenarios Enterprise Purpose Optimize business process, supply chains Reduce risk , cost, improve planning Approach Map Simulation Techniques w.r.t their applicability System Dynamics Time Petri Nets workflows State Machines events Simulate models in concert Create mapping between simulation models and EA models Create DSL to simulate multiple models in concert Research Challenges Domain [Functional] Models of IT Plant Goal Identify and define formal modeling mechanism for IT plant domain. Enterprise Purpose Semantics Traceability Machine processing form Multi organization context Operational World [Model-driven] Approach Identify model requirements for IT Plant Identify gaps between the model requirements and available Industry standard models Identify and define required modeling elements based on the assessment. Pilot it with a suitable domain Research Challenges Domain Model Verification Goal Define formal mechanism to maintain consistency of IT plant modeling during refinement Verify the IT plant model for specific properties Enterprise Purpose Consistent model refinement Verification of desirable properties of IT Plant specifications Early detection of model bugs Operational World [Model-driven] Approach Examine the model refinement requirement in IT plant specification Examine the existing model refine techniques. Adopt/enhance the existing techniques to make them suitable for IT Plant specification. For model verification, define formal mechanism to express desirable properties of interest Adopt/extend existing verification techniques to verify IT plant specs against desired properties Research Challenges IT Plant System Architecture USP Customer Facing Back office Enterprise X √ Commoditized √ √ Goal Understand and model the influence of business products and processes on IT plant architecture in SP environment Purpose Approach Improved IT Plant planning Adaptive technology architecture Dynamic provisioning of resources Map a selected IT plant landscape in the lines of its products and processes. Based on study arrive at the impact of product and process changes on the IT plant architecture. Operational World [Model-driven] Research Challenges IT Plant Architecture Goal Enterprise Arrive at IT plant architecture catering to varying needs Composition and decomposition mechanisms for IT plant architecture Purpose Varying needs of enterprises in same domain Customizations per enterprise may increase app development and management cost Operational World [Model-driven] Approach Investigate mechanisms, techniques for (de)composition for variability capturing Investigate effect of such mechanisms on non functional properties Research Challenges Architecture Reconstruction Goal Enterprise Identifying predefined architectural elements and relations among them. Re-construct architecture from the source code using inputs from system/application experts. Purpose IT plant Modernization Most of the architecture/design documents either outdated or unavailable Operational World [Model-driven] Approach Use program comprehension techniques, refactoring, slicing, and clustering to extract layers and partitions from the source code. Using machine learning techniques like clustering embodied in Lattix tool or other new techniques. Research Challenges Business Rule Extraction Goal IT plant Modernization Extract inherent operational and business Rules Enterprise Purpose Enterprises are rule driven Most these are legacy in nature. To capture ever changing regulatory policies and regulations Operational World [Model-driven] Approach Identify the constraints and calculation from the legacy code Formulate standard and application level strategies Apply data dictionary (meanings of database variables) Use comments to infer meanings to rules Apply machine learning algorithms Rules Representation Variability Visualization Formal representation for verification Extending SBVR kind of representation Research Challenges Models IT Systems Goal Model all aspects of IT systems with inter-dependencies Change Impact Analysis Enterprise Purpose Approach Change agility in IT systems Multi-layered model Correctness guarantees Definition of change in terms of model Operational World [Model-driven] Realization thru Model transformation Research Challenges Adaptive Enterprise IT Systems- Goal Enterprise Monitor and adapt the functioning of IT systems with respect to their nonfunctional requirements Arrive at mechanism to implement adaptation loop (MAPE) Purpose To meet SLAsTo reduce people intervention Approach Modeling Adaptation for IT Systems Construct reference architecture for IT Systems using MAPE-k architectural pattern Feedback Loops Examine Execution Traces Operational World [Model-driven] Investigate data logs and execution traces to indentify what properties to monitor and adapt Language Support Language to support adaptive software development Research Challenges Using information flows? How to build enterprise models ? How to utilize/affect transformation of IT systems? Enterprise How to model business functions? A language for modeling an enterprise? Which abstractions? How to verify that they achieve intended effect? How to capture combination of manual AND automated steps of business processes? Domain-specific language drawing on ideas from event based paradigm, multi agent systems Globally Sub-optimal design of operational processes Specification & Analysis of Enterprise Models Enterprise Models Enterprise Simulation Domain Models Domain Models IT Plant Architecture Overlapping Functionalities Non-interoperable Technologies Domain Model Verification IT Systems Architecture Reconstruction IT Systems Architecture IT Systems/Plant Models IT Systems Models for Change Agility Adaptive Systems Business Rule Extraction Operational World [Model-driven] Dependence on expert knowledge Analysis World [Model-driven] Summary IT Plant Architecture • What – Arrive at an architecture for IT plant catering to varying needs of customers in same domain • Why – Large enterprises needs plethora of applications to meet their needs. – Needs of no two customers in same domain are exactly identical – Various situations Service Providers need to service customer are • • • • Deliver as-is solutions Manage known , unknown configurations Manage known , unknown extensions Deliver parts and integrate existing systems – Problems • • • • Not designed to manage these scenarios follow clone-n-own approach Increased ADM cost Customer not sure of certainty of meeting their needs IT Plant Architecture • How – Modularity of IT plant • Investigate mechanism, techniques for modular design for – System of system scenario – Multi-layer architecture – Capturing Commonality and Variability – Design time and Runtime variability – Integration • Investigate automation for COTS integration • Evaluation of COTS for quality attributes – Performance – Reliability – Configurabity – Evaluation of NFR Multiple IT Systems of multiple enterprises from same domain Product Line [Family] of IT Plants