Standardization in IT Services Industry S V Subrahmanya

Standardization in IT Services Industry S. V. Subrahmanya, AVP, Infosys Technologies Ltd.

Agenda • • • What is IT Services? What are Standards? Why are IT Standards required – role they play? Role of technology in IT Services Web services standards and SOA standards – A Case Study Enterprise IT standards IT infrastructure standards Software Engineering Standards Distributed Computing Standards Summary Copyright © 2004, Infosys Technologies Ltd 2 ER/CORP/CRS/OS 30/003 Version no: 2. 0

What are IT Services? • • Consulting – automation and re-engineering of business process Development and maintenance of internal applications for business enterprises Developing service oriented end-to-end solutions Management of IT infrastructure Testing services Implementation of Enterprise Applications Etc. Copyright © 2004, Infosys Technologies Ltd 3 ER/CORP/CRS/OS 30/003 Version no: 2. 0

Role of Technology on IT services • • People, process and technology Software – – – – • Development Communication Collaboration Deployment Maintenance Administration Testing and Validation Etc. Hardware – Servers – Devices – Security • Networking and communications – Telecom infrastructure – LAN, WAN, MAN, Wi. Fi, Wi. Max, etc. Copyright © 2004, Infosys Technologies Ltd 4 ER/CORP/CRS/OS 30/003 Version no: 2. 0

What are standards? • • • Agreed principles of protocol. Standards are set by committees working under various trade and international organizations. www. levitonvoicedata. com/learning/glossary. asp criteria set as a model or an example to strive to achieve; 2) curriculum standards are subject-matter benchmarks to measure student academic achievement. www. crede. org/tools/glossary. html Enables people to communicate, cooperate, interoperate and work in a world abounding in different languages, needs, context Enables better quality Enables reliability and obviates chaos Copyright © 2004, Infosys Technologies Ltd 5 ER/CORP/CRS/OS 30/003 Version no: 2. 0

Why are IT Standards required – role they play? • • They enable software applications to interoperate Software engineering – They speed up software development and delivery process • Tools • Processes • • • They enable better management and visibility of IT assets They ensure quality of IT product and service Collaborative design and development • Some examples of IT standards follows… Copyright © 2004, Infosys Technologies Ltd 6 ER/CORP/CRS/OS 30/003 Version no: 2. 0

Web services and SOA standards – A Case Study • • Service oriented computing enables better visibility of software features as business relevant “services” Enable reuse of legacy application logic in a more accessible way Open standards based platform and architecture Web services standards – – – • WSDL SOAP UDDI Etc. Around 30 standards created as a joint effort by multiple IT corporations – IBM, Sun, Oracle, Microsoft, etc. Consortiums – – – WWW OASIS WS-I IETF Etc. Copyright © 2004, Infosys Technologies Ltd 7 ER/CORP/CRS/OS 30/003 Version no: 2. 0

Enterprise IT Standards • • • Enterprise wide thinking about business and IT Enterprise Architecture Enables enterprise wide – – – • Scalability of IT infrastructure Accountability of IT assets Interoperability of multiple internal applications Better use of IT assets Bridges heterogeneity of platforms and technologies Business and IT architecture connection Standards and bodies – – TOGAF Zachman Framework Gartner EA Etc. Copyright © 2004, Infosys Technologies Ltd 8 ER/CORP/CRS/OS 30/003 Version no: 2. 0

IT Infrastructure Standards • ITIL – www. itil. co. uk – the key to managing IT services – ITIL® (the IT Infrastructure Library) is the most widely accepted approach to IT service management in the world. – ITIL® provides a cohesive set of best practice, drawn from the public and private sectors internationally. It is supported by a comprehensive qualifications scheme, accredited training organisations, and implementation and assessment tools. – The best practice processes promoted in ITIL® support and are supported by, the British Standards Institution's standard for IT service Management (BS 15000) Copyright © 2004, Infosys Technologies Ltd 9 ER/CORP/CRS/OS 30/003 Version no: 2. 0

Software Engineering Standards • Software Engineering Institute – Carnegie Mellon – http: //www. sei. cmu. edu/ – Architecture evaluation standard / technique – ATAM – IT services / infrastructure Cost Benefit Analysis - CBAM • UML – from OMG (http: //www. omg. org/) – Design (UML 1. 0 and onwards) – Architecture modeling - UML 2. 0 • Non-functional requirements (NFRs) • • • Performance Scalability Reliability Availability Fault tolerance Etc. – Standardization needed Copyright © 2004, Infosys Technologies Ltd 10 ER/CORP/CRS/OS 30/003 Version no: 2. 0

Distributed Computing Standards • • A type of computing in which different components and objects comprising an application can be located on different computers connected to a network Predominant standards – – – • RPC COM-DCOM CORBA J 2 EE. Net IT platform standards – OS standards • POSIX based – Database • SQL 92 – Networking • ISO OSI (TCP/IP, etc. ) – Etc. Copyright © 2004, Infosys Technologies Ltd 11 ER/CORP/CRS/OS 30/003 Version no: 2. 0

CHALLENGES FOR STANDARDIZATION • • • Interoperability Standards in SOA world Implementation of risk management frameworks and standards and its effects on the enterprise EAI – Grid Computing – ESB • More maturity and implementation of Supply chain standards – Extended enterprise – virtual enterprise – E-commerce • Services standards – Qo. S – For collaborating with partners and vendors • • Information standards for products and services E-Governance Copyright © 2004, Infosys Technologies Ltd 12 ER/CORP/CRS/OS 30/003 Version no: 2. 0