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Latest trends in information technology
 

Latest trends in information technology

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    Latest trends in information technology Latest trends in information technology Presentation Transcript

    • Latest Trends in the IT Industry
    • Cloud ComputingMobile ApplicationsAGILE Methodology – SCRUMN-tier architectureJava vs .NET  Object Oriented Design and its Relevance
    • Cloud Computing Fundamentals• Cloud computing provides computation, software, data access, and storage services that do not require end-user knowledge of the physical location and configuration of the system that delivers the services. • The Power Grid example
    • Cloud Computing – 5 salient features1. Dynamic Computing Infrastructure2. IT Service Centric approach3. Self Service based usage model4. Minimally or Self Managed platform5. Consumption based billing ** PROVISIONING **
    • The CLOUD Architecture
    • Cloud Computing
    • Social Networking Sites
    • Social Networking – already on Cloud
    • Mobile ApplicationsWhat is a mobile app?perioperative patient tracker example …how many of us have a mobile phone here?can you pay the electricity bill using your mobile phone?How do you/a company make money from mobile apps?• Sell it through a mobile app store / network• Ad inside the app - can monetize everytime the user runs the application / plays the game• Question !• What location or where inside the application should an Ad be placed to get maximum returns?
    • Mobile Applications
    • Waterfall toAGILE
    • SDLC – Software Development Life Cycle
    • SDLC and the Development Models• Waterfall model (traditional)• AGILE development methodology (fairly new)
    • Success Rate of IT Projects?
    • Agile Development Methodology Iterative Development  user stories further divided into tasks  Product Backlog, Sprint Backlog Continuous Integration  TFS or Cruise Control Unit Tests + TDD (Test Driven Development) Pair Programming Spike Solutions Merciless Refactoring The Daily Standup meeting (5 minutes / developer)  What has been done after the last stand up meeting?  What will you be doing till the next standup meeting?  Any bottlenecks? The Sprint Burndown chart
    • AGILE - Scrum Process
    • Agile Principles1. Satisfy the Customer2. Welcome Change3. Deliver Frequently4. Work as a Team5. Motivate People6. Communicate Face-to-Face7. Measure Working Software8. Maintain Constant Pace9. Excel at Quality10. Keep it Simple11. Evolve Designs12. Reflect Regularly
    • Sprint Task Board
    • Sprint Burn Down
    • Release PlanningPlan features in sprints and releasesReleases depend on accepted sprints
    • N-tier architecture* N-tier Vs N-layer ? 3-layer architecture
    • True N-Layer Architecture Example Media Server – CDN based Media Server – CDN based Media Server – CDNCDN Media Servers – based based CDN: content delivery networks3rd Party Web Services * Akamai * Amazon * Reliance Globalcom
    • Why Java? Development and runtime - both platform independent Better standards compliance Open Source language that further depends on other open source vendors for its IDE, Web Server, App Server, etc. Claimed to be more secure than .NET code** Name a programming construct avilable in Java, but not in .NET?
    • Why .NET? Fast turn around time Single Framework handles everything – no need for multiple frameworks from different vendors for different functionalities. Much better funded so that newer features are coming out at the fastest pace. LINQ, AJAX, Performance Profiler, Unit Testing Framework, Client side Reporting and a lot more integrated into one platform Language independent – C#, VB.NET, C++ developers can all work together on the same project Simpler AJAX implementation** Is .NET free?
    • Java, .NET  Object Oriented Most of what can be done using Java can be done using .NET and vice-versa Java as well as.NET languages like C#, VB.NET, etc are all Object Oriented Object Oriented Design has been steady for the past 30 years or so and has changed very little. Case in Point: Most, if not all of the design patterns published by the GoF(Gang of Four) in 1994 are still the back bone of current OOPs design (Singleton, Strategy, State, Factory etc.)
    • Object Oriented Design – most important  Class  Object  Encapsulation  Inheritance  Polymorphism  Overloading  Overriding  UML (Unified Modeling Language)  Association  Aggregation  Composition  Class diagrams, sequence diagrams, … more.  Abstract Class  Interface
    • Domain Areas WebSecurity WindowsNetwork Mobile Smart Client
    • Discover Your Passion! What area in IT interests you the most?  Writing business logic code? – focus on OOPs, design patterns, … etc  Creating beautiful interfaces? – focus on design tools like Expression Blend  Application performance? – focus on optimization tools like VS2010 Profiler, DotTrace, Ants Trace  Application Testing – ( relative cost of a bug in production vs a bug caught during development )  Data storage/retrieval ? focus on DB administration / development  Network administration – security/firewalls/login/domains/ADs/….  ERP software and tools (SAP, Peoplesoft, Oracle, BAAN, …)  Web vs. Windows vs. Smart Client Apps vs. Mobile apps
    • True Story of a Young Boy Moral of the Story….  You have to figure out your passion  Finding a mentor to guide you and assist you – someone who has the right experience  Having a plan – plan your next 10 years  Do your best and not compare with anyone else
    • Q&A
    • Inform Yourself … Check these out…• MSDN Magazine (http://msdn.microsoft.com/en-us/magazine/default.aspx)• Java Magazine (http://www.oracle.com/technetwork/java/javamagazine/index.html)• Refactoring Cheat Sheet (http://www.refactoring.com/,http://www.refactoring.com/catalog/index.html)• Freelance sites like rent a coder(vworker)/elance/oDesk/…• Forums like CodeProject, MSDN forums, Codeplex repository for open source projects• Head First Object-Oriented Analysis and Design: Brett D. McLaughlin, Gary Pollice, DaveWest• Head First Design Patterns: Elisabeth Freeman, Eric Freeman, Bert Bates, Kathy Sierra• Code optimization tools like ANTS profiler, Dot Trace profiler• Clientside optimization tools like Fiddler, YSlow, Page Speed• Inspiration: TED Talks (search on Google)
    • Thank You !! Name: Eldos P. Kuriakose Email: eldospk@logic8.in Web: http://logic8.in/