Introduction to Cloud Computing. Lecture 02 History of Enterprise Computing Kaya Oğuz

Size: px
Start display at page:

Download "Introduction to Cloud Computing. Lecture 02 History of Enterprise Computing Kaya Oğuz"

Transcription

1 Introduction to Cloud Computing Lecture 02 History of Enterprise Computing Kaya Oğuz

2 General Course Information The textbook: Enterprise Cloud Computing by Gautam Shroff (available at bookstore). Course evaluation: One project with Google App Engine 30% One midterm 30% One final 40% Syllabus: will probably be updated until next week; but...

3 General view of topics History of enterprise computing architectures Major cloud platforms Cloud computing economics Key technologies for cloud computing New programming models and development paradigms for the cloud. The impact of cloud computing on enterprise computing Developing cloud applications on Google App Engine

4 Enterprise Computing Enterprise computing: the use of computers for data processing in large organisations (IS, IT). Begins in 1960s with early mainframe computers. Over the years paradigms changed with new technologies (PCs, internet, e-commerce, finally the cloud). With these advances enterprise systems have increased in complexity and consequently in cost.

5 Key Elements of Cloud Computing Computing resources packaged as a commodity and made available over the internet. The ability for end-users to rapidly provision the resources they need. A pricing model that charges consumers only for those cloud resources they actually use.

6 Consequences of the cloud Not surprisingly, much of the interest in cloud computing today is based on expectations of such cost savings. The concentration of massive clusters of computing resources within cloud providers open up possibilities for large-scale data analysis. A number of new programming models and development tools have been developed to enable large-scale computations and to improve software development productivity.

7 Mainframe Architecture A typical mainframe architecture. A terminal based user interface would display screens controlled by the mainframe server using the virtual telecommunications access method (VTAM) for entering and viewing information. Terminals communicated with the mainframe using the systems network architecture (SNA) (not TCP/IP)

8 Mainframe Architecture (2) While mainframe computers had limited CPU power, their I/O bandwidth was (and is) generous. In early mainframe architectures, application data was stored either in structured files or in databased systems based on hierarchical or networked data model (not relational until mid 80s) (Required Transaction-Processing Monitors). Mainframes also pioneered the large-scale use of virtual machine technology. Many design features of the mainframe era are now hallmarks of today's cloud computing world.

9 Client-Server Architecture The microprocessor revolution of 80s brought PCs to desktops and homes. It was conceivable to move some data processing tasks away from the expensive mainframes to exploit seemingly powerful and inexpensive desktop CPUs. 'Forms' architecture involved use of terminals to access server-side logic in C, later with GUIs, instead of CUIs. Significant processing logic started to get executed in a client application: the 'fat-client'. The client app makes direct calls to relational database. Business logic largely resides within the client some business logic can be implemented within database for faster performance.

10 Client-Server Architecture (2)

11 Client-Server: Downfall Client-server architecture soon began to exhibit its limitations as its usage grew beyond a small group. Since processing logic on the client directly accessed the database layer, many bulky requests are made to the server. It also became clear over time that application maintenance was costlier when user interface and business logic code was intermixed. Lastly, client server model did not scale.

12 3-Tier Architecture Unlike the mainframe, the client-server architectures had no virtual machine layer or job control systems to control access to limited resources (CPU and disk). Transaction-processing (TP) monitors redeveloped to solve this problem for midrange database servers. First examples of middleware which sat between the client and a database server to manage access to scarce server resources, essentially by queuing client requests. In a TP monitor arch, the requests being queued were services implementing business logic and database operations.

13 Middleware: I'm lovin' it!

14 3-Tier Architecture (2) Services encoded business logic. Client applications are purely user interface management and behaviour. Such applications turned out to be far easier to maintain than the fat client applications. The TP monitor became the 3-tier architectural model, where client, business and data layers are clearly separated and often reside on separate machines.

15 Essential lessons from 3-tier Clear separation of user interface and business logic Load balancing using request queuing to support high transaction volumes. Both of these have become fundamental principles of enterprise software architecture design. 3-tier model never disappeared and has become an integral aspect of web-based computing using the internet standards. Make sure you check Table 1.1 on page 14 for a comparison of these architectures.

16 Internet and Web Applications Internet born in 1990 with the development of HTTP protocol and HTML at CERN by Tim Berners Lee. Using a browser, information published over the internet could be accessed anonymously by the public, giving rise to the WWW. Internet-based applications rely fundamentally on HTTP and HTML. Browsers and servers implement the defined standards to enable content publishing over the internet. XML and SOAP are also important.

17 Internet and Web Applications (2)

18 Internet and Web Applications (3) In the initial years of the web, HTML's support for data entry forms presented the opportunity to develop browser-based interfaces to legacy systems. Programs were developed to communicate with the mainframe by passing results back and forth via CGI. It became possible to publish information in legacy systems to www. The additional benefit of the browser becoming a universal client and eliminating the cumbersome task of upgrading user desktops. Web enabling made it easy to provide geographically distributed operations access the applications running in data centers regardless of location.

19 Internet and Web Applications (4) One marked disadvantage was the relatively limited user interface that could be created with plain HTML. This limitation has receded significantly in recent years with new technologies such as AJAX, enabling rich internet applications in the browser.

20 Web Application Servers In a web-enabled application architecture, processing logic (including database access), takes place outside the web server (via scripts or programs). Each invocation included the overhead of launching the required server program as a fresh operating-system process. Java made it possible to execute application functionality inside the web-server process (threads), leading the birth of the application server architecture. Requests could also be processed by multi-threaded execution environments, called containers.

21 Web Application Servers (2)

22 Web Application Servers (3) The servlet container allowed Java programs to execute in a multi-threaded manner within the server process as a servlet code. The container would also manage load balancing across incoming requests using these threads, as well as database connection pooling, similar to TP monitors. So, application-server arch also enjoys the advantages of 3-tier architecture: the ability to handle larger workloads as compared to the client-server model.

23 Internet of Services Once applications became web-enabled, it became natural to open up access to some of their functionality to the general public. A web service is an interoperable machine-to-machine interaction over HTTP. The data format and resource naming are done by XML and URI. The XML-RPC standard mimics remote procedure calls over HTTP with data being transferred in XML. To support complex nested (object oriented) types the SOAP protocol is developed, whereby the schema of the messages exchanged is defined by WSDL (web serviced description language). Using SOAP application could call the web services published by other applications over the internet.

24 Internet of Services (2) In 2000, XMLHTTPRequest was made available in the Javascript language. Javascript was being used to provide dynamic user interface behaviour within HTML pages, such as simple validations. Using XMLHTTPRequest it became possible to make HTTP requests, possibly to servers other than the one that served up the main HTML page being displayed. Thus came a new approach for integrating applications at the client side instead of between servers: AJAX.

25 Internet of Services (3)

26 Emergence of SaaS Even during the early days of the internet it had become evident that software products could be packaged and sold as remotely hosted application services. First wave of applications did not succeed: The internet bandwidth was not adequate Used remote-desktop-sharing, transmitting screenbuffer images back and forth Offered no significant cost advantages over the traditional model

27 Emergence of SaaS Successful solutions came when applications were completely web-based and designed for sharing across multiple customers. For customers SaaS solutions offered three main advantages over traditional software development by corporate IT: Business users could subscribe with a credit card Users found out that they could make customizations Users did not have to worry about upgrades

28 Successful SaaS Architectures Completely web-based architectures Exploited internal cost advantages from multi-tenancy and configurability. These architectural features enabled these solutions to offer sustained economic advantages over traditional software. If the software was installed in customer premises, a large part of the costs go into managing different versions of the product and supporting upgrades to multiple customers. With multi-tenancy the hosted SaaS application runs a single code base for all customers while ensuring that the data seen by each customer is specific to them.

29 SaaS Architecture

30 Successful SaaS Architectures Releasing a new version of a SaaS product amount to a single production upgrade for all customers. Multiple versions of the product do not need to be maintained. Costs of a new release are small, upgrades can be frequent, smaller and more likely to be stable. With traditional on-premise software corporate IT is responsible for development and maintenance of customizations to software products and their integration with other IT systems. It has often been documented that software maintenance costs are often two to three times greater than developing software. The complexity of modern multi-tier archs which require different technologies at each layer also adds to maintenance costs.

31 Customization: meta-data Customer specific customizations were captured as just another form of data, rather than code. Such data about the application functionality is more appropriately called meta-data. The SaaS application code which is the same for each customer (or tenant), interprets this meta-data at runtime, thereby rendering and executing varied functionality for each customer.

32 Cloud Computing Whereas software as a service is about packaged applications made available over the internet, cloud computing makes a lower level of infrastructure and tools available over the internet in data centers maintained by a cloud provider. A SaaS provider could implement their systems using web application server architectures. Since these offerings usually catered to small or medium businesses, the number of users are relatively small.

33 Amazon's Model The first 'cloud' provider. To display one page featuring a book, a number of services from fairly complex applications are needed (reviews, recommender systems, etc). Peaks and troughs of the seasonal retail business necessitated Amazon to continuously monitor load and automatically provision additional capacity on demand. They saw the need to support their suppliers with some minimal IT.

34 Amazon's Model (2) Amazon exploited virtualization extensively to automatically and dynamically provision hardware with those applications that were most utilized as demand fluctuated through the year. Key differences between Amazon cloud and traditional hosting: Degree of automation made available to end-users, as web services, to control the number of virtual instances running at any point in time The ability for users to package and save their own configurations of virtual machines Charging per hour of actual usage as opposed to monthly or yearly charges These enabled many users of the cloud to build complex applications without having to rely on deploying and configuring traditional middleware and database products.

35 Google's Model The scale of computing power needed to support largescale indexing of the web, the immense volume of searches and machine-learning-based targeting of advertisements across this volume meant order of magnitude larger computational needs as compared to even the largest enterprise. Large banks have tens of thousands of servers Google is estimated as running over a million servers.

36 Google's Model (2) Google developed innovations in programming models for large-scale distributed processing, such as the Map Reduce model for partitioning a sequence of tasks to be performed on a very large data set and executing it in parallel across a very large set of machines. Supporting the massive volume of search queries necessitated building a highly scalable application server architecture designed from the beginning to execute in parallel.

37 Google App Engine Users can program using development libraries (Python, Java) and deploy their code on app engine. The code deployed would always be running and would automatically scale on the app engine's large-scale distributed executing infrastructure. Data services were provided through the Google Datastore, a non-relational distributed database.

38 Cloud Models

39 Homework Install Google App Engine Install JDK (Java Development Kit) first Install Eclipse (Classic 4.2.1) Within Eclipse, click Help/Install New Software Use https://dl.google.com/eclipse/plugin/4.2 to install Google Plugin for Eclipse 4.2 and Google App Engine Java SDK. Also install Web Page Editor for syntax highlighting of JSP pages. Follow the tutorial at https://developers.google.com/appengine/docs/java/gettingstarted/

40 References Enterprise Cloud Computing, Gautam Shroff Google App Engine Web Site, accessed on

PART I Computing platforms

PART I Computing platforms PART I Computing platforms Barely 50 years after the birth of enterprise computing, cloud computing promises to transform computing into a utility delivered over the internet. A historical perspective

More information

Syllabus INFO-GB-3322. Design and Development of Web and Mobile Applications (Especially for Start Ups)

Syllabus INFO-GB-3322. Design and Development of Web and Mobile Applications (Especially for Start Ups) Syllabus INFO-GB-3322 Design and Development of Web and Mobile Applications (Especially for Start Ups) Spring 2015 Stern School of Business Norman White, KMEC 8-88 Email: nwhite@stern.nyu.edu Phone: 212-998

More information

Syllabus INFO-UB-3322. Design and Development of Web and Mobile Applications (Especially for Start Ups)

Syllabus INFO-UB-3322. Design and Development of Web and Mobile Applications (Especially for Start Ups) Syllabus INFO-UB-3322 Design and Development of Web and Mobile Applications (Especially for Start Ups) Fall 2014 Stern School of Business Norman White, KMEC 8-88 Email: nwhite@stern.nyu.edu Phone: 212-998

More information

Introduction to Engineering Using Robotics Experiments Lecture 18 Cloud Computing

Introduction to Engineering Using Robotics Experiments Lecture 18 Cloud Computing Introduction to Engineering Using Robotics Experiments Lecture 18 Cloud Computing Yinong Chen 2 Big Data Big Data Technologies Cloud Computing Service and Web-Based Computing Applications Industry Control

More information

Web Cloud Architecture

Web Cloud Architecture Web Cloud Architecture Introduction to Software Architecture Jay Urbain, Ph.D. urbain@msoe.edu Credits: Ganesh Prasad, Rajat Taneja, Vikrant Todankar, How to Build Application Front-ends in a Service-Oriented

More information

Client/server is a network architecture that divides functions into client and server

Client/server is a network architecture that divides functions into client and server Page 1 A. Title Client/Server Technology B. Introduction Client/server is a network architecture that divides functions into client and server subsystems, with standard communication methods to facilitate

More information

Web Development. Owen Sacco. ICS2205/ICS2230 Web Intelligence

Web Development. Owen Sacco. ICS2205/ICS2230 Web Intelligence Web Development Owen Sacco ICS2205/ICS2230 Web Intelligence Brief Course Overview An introduction to Web development Server-side Scripting Web Servers PHP Client-side Scripting HTML & CSS JavaScript &

More information

Base One's Rich Client Architecture

Base One's Rich Client Architecture Base One's Rich Client Architecture Base One provides a unique approach for developing Internet-enabled applications, combining both efficiency and ease of programming through its "Rich Client" architecture.

More information

White Paper: 1) Architecture Objectives: The primary objective of this architecture is to meet the. 2) Architecture Explanation

White Paper: 1) Architecture Objectives: The primary objective of this architecture is to meet the. 2) Architecture Explanation White Paper: 1) Architecture Objectives: The primary objective of this architecture is to meet the following requirements (SLAs). Scalability and High Availability Modularity and Maintainability Extensibility

More information

Cloud Computing. Chapter 1 Introducing Cloud Computing

Cloud Computing. Chapter 1 Introducing Cloud Computing Cloud Computing Chapter 1 Introducing Cloud Computing Learning Objectives Understand the abstract nature of cloud computing. Describe evolutionary factors of computing that led to the cloud. Describe virtualization

More information

Tamanna Roy Rayat & Bahra Institute of Engineering & Technology, Punjab, India talk2tamanna@gmail.com

Tamanna Roy Rayat & Bahra Institute of Engineering & Technology, Punjab, India talk2tamanna@gmail.com IJCSIT, Volume 1, Issue 5 (October, 2014) e-issn: 1694-2329 p-issn: 1694-2345 A STUDY OF CLOUD COMPUTING MODELS AND ITS FUTURE Tamanna Roy Rayat & Bahra Institute of Engineering & Technology, Punjab, India

More information

Internet Engineering: Web Application Architecture. Ali Kamandi Sharif University of Technology kamandi@ce.sharif.edu Fall 2007

Internet Engineering: Web Application Architecture. Ali Kamandi Sharif University of Technology kamandi@ce.sharif.edu Fall 2007 Internet Engineering: Web Application Architecture Ali Kamandi Sharif University of Technology kamandi@ce.sharif.edu Fall 2007 Centralized Architecture mainframe terminals terminals 2 Two Tier Application

More information

Getting Familiar with Cloud Terminology. Cloud Dictionary

Getting Familiar with Cloud Terminology. Cloud Dictionary Getting Familiar with Cloud Terminology Cloud computing is a hot topic in today s IT industry. However, the technology brings with it new terminology that can be confusing. Although you don t have to know

More information

Next Gen Web Architecture for the Cloud Era

Next Gen Web Architecture for the Cloud Era UNCLASSIFIED Next Gen Web Architecture for the Cloud Era Chief Scientist, Raytheon Saturn 2013 28 Apr - 3 May Copyright (2013) Raytheon Agenda Existing Web Application Architecture SOFEA Lessons learned

More information

Virtualization 101: Technologies, Benefits, and Challenges. A White Paper by Andi Mann, EMA Senior Analyst August 2006

Virtualization 101: Technologies, Benefits, and Challenges. A White Paper by Andi Mann, EMA Senior Analyst August 2006 Virtualization 101: Technologies, Benefits, and Challenges A White Paper by Andi Mann, EMA Senior Analyst August 2006 Table of Contents Introduction...1 What is Virtualization?...1 The Different Types

More information

ORACLE APPLICATION EXPRESS 5.0

ORACLE APPLICATION EXPRESS 5.0 ORACLE APPLICATION EXPRESS 5.0 Key Features Fully supported nocost feature of the Oracle Database Simple 2-Tier Architecture Develop desktop and mobile applications 100% Browserbased Development and Runtime

More information

Cloud Computing. Chapter 1 Introducing Cloud Computing

Cloud Computing. Chapter 1 Introducing Cloud Computing Cloud Computing Chapter 1 Introducing Cloud Computing Learning Objectives Understand the abstract nature of cloud computing. Describe evolutionary factors of computing that led to the cloud. Describe virtualization

More information

COMP5426 Parallel and Distributed Computing. Distributed Systems: Client/Server and Clusters

COMP5426 Parallel and Distributed Computing. Distributed Systems: Client/Server and Clusters COMP5426 Parallel and Distributed Computing Distributed Systems: Client/Server and Clusters Client/Server Computing Client Client machines are generally single-user workstations providing a user-friendly

More information

Cloud Computing: Computing as a Service. Prof. Daivashala Deshmukh Maharashtra Institute of Technology, Aurangabad

Cloud Computing: Computing as a Service. Prof. Daivashala Deshmukh Maharashtra Institute of Technology, Aurangabad Cloud Computing: Computing as a Service Prof. Daivashala Deshmukh Maharashtra Institute of Technology, Aurangabad Abstract: Computing as a utility. is a dream that dates from the beginning from the computer

More information

3-Tier Architecture. 3-Tier Architecture. Prepared By. Channu Kambalyal. Page 1 of 19

3-Tier Architecture. 3-Tier Architecture. Prepared By. Channu Kambalyal. Page 1 of 19 3-Tier Architecture Prepared By Channu Kambalyal Page 1 of 19 Table of Contents 1.0 Traditional Host Systems... 3 2.0 Distributed Systems... 4 3.0 Client/Server Model... 5 4.0 Distributed Client/Server

More information

Cloud Computing for SCADA

Cloud Computing for SCADA Cloud Computing for SCADA Moving all or part of SCADA applications to the cloud can cut costs significantly while dramatically increasing reliability and scalability. A White Paper from InduSoft Larry

More information

A Tool for Evaluation and Optimization of Web Application Performance

A Tool for Evaluation and Optimization of Web Application Performance A Tool for Evaluation and Optimization of Web Application Performance Tomáš Černý 1 cernyto3@fel.cvut.cz Michael J. Donahoo 2 jeff_donahoo@baylor.edu Abstract: One of the main goals of web application

More information

Cache Database: Introduction to a New Generation Database

Cache Database: Introduction to a New Generation Database Cache Database: Introduction to a New Generation Database Amrita Bhatnagar Department of Computer Science and Engineering, Birla Institute of Technology, A 7, Sector 1, Noida 201301 UP amritapsaxena@gmail.com

More information

MOBILE APPLICATIONS AND CLOUD COMPUTING. Roberto Beraldi

MOBILE APPLICATIONS AND CLOUD COMPUTING. Roberto Beraldi MOBILE APPLICATIONS AND CLOUD COMPUTING Roberto Beraldi Course Outline 6 CFUs Topics: Mobile application programming (Android) Cloud computing To pass the exam: Individual working and documented application

More information

Building Java Servlets with Oracle JDeveloper

Building Java Servlets with Oracle JDeveloper Building Java Servlets with Oracle JDeveloper Chris Schalk Oracle Corporation Introduction Developers today face a formidable task. They need to create large, distributed business applications. The actual

More information

CUMULUX WHICH CLOUD PLATFORM IS RIGHT FOR YOU? COMPARING CLOUD PLATFORMS. Review Business and Technology Series www.cumulux.com

CUMULUX WHICH CLOUD PLATFORM IS RIGHT FOR YOU? COMPARING CLOUD PLATFORMS. Review Business and Technology Series www.cumulux.com ` CUMULUX WHICH CLOUD PLATFORM IS RIGHT FOR YOU? COMPARING CLOUD PLATFORMS Review Business and Technology Series www.cumulux.com Table of Contents Cloud Computing Model...2 Impact on IT Management and

More information

Cloud Computing. Chapter 1 Introducing Cloud Computing

Cloud Computing. Chapter 1 Introducing Cloud Computing Cloud Computing Chapter 1 Introducing Cloud Computing Learning Objectives Understand the abstract nature of cloud computing. Describe evolutionary factors of computing that led to the cloud. Describe virtualization

More information

Tutorial on Client-Server Architecture

Tutorial on Client-Server Architecture Tutorial on Client-Server Architecture SEEM3430 Information Systems Analysis and Design Pengfei Liu Department of Systems Engineering and Engineering Management The Chinese University of Hong Kong March

More information

TECHNOLOGY GUIDE THREE. Emerging Types of Enterprise Computing

TECHNOLOGY GUIDE THREE. Emerging Types of Enterprise Computing TECHNOLOGY GUIDE THREE Emerging Types of Enterprise Computing TECHNOLOGY GU IDE OUTLINE TG3.1 Introduction TG3.2 Server Farms TG3.3 Virtualization TG3.4 Grid Computing TG3.5 Utility Computing TG3.6 Cloud

More information

Cloud Computing Architecture: A Survey

Cloud Computing Architecture: A Survey Cloud Computing Architecture: A Survey Abstract Now a day s Cloud computing is a complex and very rapidly evolving and emerging area that affects IT infrastructure, network services, data management and

More information

What Is the Java TM 2 Platform, Enterprise Edition?

What Is the Java TM 2 Platform, Enterprise Edition? Page 1 de 9 What Is the Java TM 2 Platform, Enterprise Edition? This document provides an introduction to the features and benefits of the Java 2 platform, Enterprise Edition. Overview Enterprises today

More information

IT Infrastructure: Hardware and Software

IT Infrastructure: Hardware and Software IT Infrastructure: Hardware and Software LEARNING OBJECTIVES What are the components of IT infrastructure? What are the major computer hardware, data storage, input, and output technologies used in business?

More information

Google Web Toolkit (GWT) Architectural Impact on Enterprise Web Application

Google Web Toolkit (GWT) Architectural Impact on Enterprise Web Application Google Web Toolkit (GWT) Architectural Impact on Enterprise Web Application First Generation HTTP request (URL or Form posting) W HTTP response (HTML Document) W Client Tier Server Tier Data Tier Web CGI-Scripts

More information

Manjrasoft Market Oriented Cloud Computing Platform

Manjrasoft Market Oriented Cloud Computing Platform Manjrasoft Market Oriented Cloud Computing Platform Aneka Aneka is a market oriented Cloud development and management platform with rapid application development and workload distribution capabilities.

More information

IBM 000-281 EXAM QUESTIONS & ANSWERS

IBM 000-281 EXAM QUESTIONS & ANSWERS IBM 000-281 EXAM QUESTIONS & ANSWERS Number: 000-281 Passing Score: 800 Time Limit: 120 min File Version: 58.8 http://www.gratisexam.com/ IBM 000-281 EXAM QUESTIONS & ANSWERS Exam Name: Foundations of

More information

Data Centers and Cloud Computing. Data Centers

Data Centers and Cloud Computing. Data Centers Data Centers and Cloud Computing Intro. to Data centers Virtualization Basics Intro. to Cloud Computing 1 Data Centers Large server and storage farms 1000s of servers Many TBs or PBs of data Used by Enterprises

More information

Contents. Client-server and multi-tier architectures. The Java 2 Enterprise Edition (J2EE) platform

Contents. Client-server and multi-tier architectures. The Java 2 Enterprise Edition (J2EE) platform Part III: Component Architectures Natividad Martínez Madrid y Simon Pickin Departamento de Ingeniería Telemática Universidad Carlos III de Madrid {nati, spickin}@it.uc3m.es Introduction Contents Client-server

More information

Cloud Computing. Adam Barker

Cloud Computing. Adam Barker Cloud Computing Adam Barker 1 Overview Introduction to Cloud computing Enabling technologies Different types of cloud: IaaS, PaaS and SaaS Cloud terminology Interacting with a cloud: management consoles

More information

Electronic Commerce Engineering

Electronic Commerce Engineering 219322 Electronic Commerce Engineering Lecture 4 Laudon & Traver: Chapter 4 Building an E-commerce Web Site Copyright 2007 Pearson Education, Inc. Slide 4-1 Building an E-commerce Site: A Systematic Approach

More information

CHAPTER 8 CLOUD COMPUTING

CHAPTER 8 CLOUD COMPUTING CHAPTER 8 CLOUD COMPUTING SE 458 SERVICE ORIENTED ARCHITECTURE Assist. Prof. Dr. Volkan TUNALI Faculty of Engineering and Natural Sciences / Maltepe University Topics 2 Cloud Computing Essential Characteristics

More information

Curl Building RIA Beyond AJAX

Curl Building RIA Beyond AJAX Rich Internet Applications for the Enterprise The Web has brought about an unprecedented level of connectivity and has put more data at our fingertips than ever before, transforming how we access information

More information

Glassfish, JAVA EE, Servlets, JSP, EJB

Glassfish, JAVA EE, Servlets, JSP, EJB Glassfish, JAVA EE, Servlets, JSP, EJB Java platform A Java platform comprises the JVM together with supporting class libraries. Java 2 Standard Edition (J2SE) (1999) provides core libraries for data structures,

More information

An Oracle White Paper July 2011. Oracle Primavera Contract Management, Business Intelligence Publisher Edition-Sizing Guide

An Oracle White Paper July 2011. Oracle Primavera Contract Management, Business Intelligence Publisher Edition-Sizing Guide Oracle Primavera Contract Management, Business Intelligence Publisher Edition-Sizing Guide An Oracle White Paper July 2011 1 Disclaimer The following is intended to outline our general product direction.

More information

Virtual Credit Card Processing System

Virtual Credit Card Processing System The ITB Journal Volume 3 Issue 2 Article 2 2002 Virtual Credit Card Processing System Geraldine Gray Karen Church Tony Ayres Follow this and additional works at: http://arrow.dit.ie/itbj Part of the E-Commerce

More information

E-commerce. business. technology. society. Kenneth C. Laudon Carol Guercio Traver. Third Edition. Copyright 2007 Pearson Education, Inc.

E-commerce. business. technology. society. Kenneth C. Laudon Carol Guercio Traver. Third Edition. Copyright 2007 Pearson Education, Inc. Copyright 2007 Pearson Education, Inc. Slide 4-1 E-commerce business. technology. society. Third Edition Kenneth C. Laudon Carol Guercio Traver Copyright 2007 Pearson Education, Inc. Slide 4-2 Chapter

More information

SaaS Implementation for Technology & Business software companies

SaaS Implementation for Technology & Business software companies SaaS Implementation for Technology & Business software companies Primary Author s Name: Amitoj Singh Designation: Assistant Manager (Product Management), Productized Solutions Group Secondary Author Names:

More information

What is Middleware? Software that functions as a conversion or translation layer. It is also a consolidator and integrator.

What is Middleware? Software that functions as a conversion or translation layer. It is also a consolidator and integrator. What is Middleware? Application Application Middleware Middleware Operating System Operating System Software that functions as a conversion or translation layer. It is also a consolidator and integrator.

More information

Dr.K.C.DAS HEAD PG Dept. of Library & Inf. Science Utkal University, Vani Vihar,Bhubaneswar

Dr.K.C.DAS HEAD PG Dept. of Library & Inf. Science Utkal University, Vani Vihar,Bhubaneswar Dr.K.C.DAS HEAD PG Dept. of Library & Inf. Science Utkal University, Vani Vihar,Bhubaneswar There is potential for a lot of confusion surrounding the definition of cloud computing. In its basic conceptual

More information

Load and Performance Load Testing. RadView Software October 2015 www.radview.com

Load and Performance Load Testing. RadView Software October 2015 www.radview.com Load and Performance Load Testing RadView Software October 2015 www.radview.com Contents Introduction... 3 Key Components and Architecture... 4 Creating Load Tests... 5 Mobile Load Testing... 9 Test Execution...

More information

Pronto Connect Preparing for a more connected future. White Paper

Pronto Connect Preparing for a more connected future. White Paper Pronto Connect Preparing for a more connected future White Paper Enhancing Pronto Xi for the era of mobile and web services Pronto Software is a leading vendor of enterprise resource planning (ERP) business

More information

Why is CICS Still Alive? Dr Geoff Sharman Visiting Professor in Computer Science Birkbeck College

Why is CICS Still Alive? Dr Geoff Sharman Visiting Professor in Computer Science Birkbeck College Why is CICS Still Alive? Dr Geoff Sharman Visiting Professor in Computer Science Birkbeck College Agenda Middleware the hidden part of IT CICS (Customer Information Control System) track record as a middleware

More information

Chapter 2: Cloud Basics Chapter 3: Cloud Architecture

Chapter 2: Cloud Basics Chapter 3: Cloud Architecture Chapter 2: Cloud Basics Chapter 3: Cloud Architecture Service provider s job is supplying abstraction layer Users and developers are isolated from complexity of IT technology: Virtualization Service-oriented

More information

IT Infrastructure: Hardware and Software

IT Infrastructure: Hardware and Software Chapter 4 IT Infrastructure: Hardware and Software 4.1 Copyright 2011 Pearson Education, Inc STUDENT LEARNING OBJECTIVES What are the components of IT infrastructure? What are the major computer hardware,

More information

Performance Prediction, Sizing and Capacity Planning for Distributed E-Commerce Applications

Performance Prediction, Sizing and Capacity Planning for Distributed E-Commerce Applications Performance Prediction, Sizing and Capacity Planning for Distributed E-Commerce Applications by Samuel D. Kounev (skounev@ito.tu-darmstadt.de) Information Technology Transfer Office Abstract Modern e-commerce

More information

Nexawebホワイトペーパー. Developing with Nexaweb ~ Nexaweb to Improve Development Productivity and Maintainability

Nexawebホワイトペーパー. Developing with Nexaweb ~ Nexaweb to Improve Development Productivity and Maintainability Nexawebホワイトペーパー Developing with Nexaweb ~ Nexaweb to Improve Development Productivity and Maintainability Nexaweb Technologies, Inc. February 2012 Overview Many companies today are creating rich internet

More information

Welcome to the Force.com Developer Day

Welcome to the Force.com Developer Day Welcome to the Force.com Developer Day Sign up for a Developer Edition account at: http://developer.force.com/join Nicola Lalla nlalla@saleforce.com n_lalla nlalla26 Safe Harbor Safe harbor statement under

More information

Google Web Toolkit (GWT)

Google Web Toolkit (GWT) IMPORTANT NOTICE TO STUDENTS These slides are NOT to be used as a replacement for student notes. These slides are sometimes vague and incomplete on purpose to spark class discussions Google Web Toolkit

More information

EVALUATION OF SERVER-SIDE TECHNOLOGY FOR WEB DEPLOYMENT

EVALUATION OF SERVER-SIDE TECHNOLOGY FOR WEB DEPLOYMENT EVALUATION OF SERVER-SIDE TECHNOLOGY FOR WEB DEPLOYMENT Dr. Alexander Pons, University of Miami, apons@miami.edu ABSTRACT The deployment of Web applications consisting of dynamic content requires the selection

More information

IBM Rational Web Developer for WebSphere Software Version 6.0

IBM Rational Web Developer for WebSphere Software Version 6.0 Rapidly build, test and deploy Web, Web services and Java applications with an IDE that is easy to learn and use IBM Rational Web Developer for WebSphere Software Version 6.0 Highlights Accelerate Web,

More information

The Private Cloud Your Controlled Access Infrastructure

The Private Cloud Your Controlled Access Infrastructure White Paper: Private Clouds The ongoing debate on the differences between a Public and Private Cloud are broad and often loud. The bottom line is that it s really about how the resource, or computing power,

More information

C/S Basic Concepts. The Gartner Model. Gartner Group Model. GM: distributed presentation. GM: distributed logic. GM: remote presentation

C/S Basic Concepts. The Gartner Model. Gartner Group Model. GM: distributed presentation. GM: distributed logic. GM: remote presentation C/S Basic Concepts The Gartner Model Contents: 2-tier Gartner Model Winsberg s Model / Balance Example 3-tier n-tier Became de facto reference model Recognizes 5 possible modes of distribution: distributed

More information

Net-WMS FP6-034691. Net-WMS SPECIFIC TARGETED RESEARCH OR INNOVATION PROJECT. Networked Businesses. D.8.1 Networked architecture J2EE compliant

Net-WMS FP6-034691. Net-WMS SPECIFIC TARGETED RESEARCH OR INNOVATION PROJECT. Networked Businesses. D.8.1 Networked architecture J2EE compliant Net-WMS SPECIFIC TARGETED RESEARCH OR INNOVATION PROJECT Networked Businesses D.8.1 Networked architecture J2EE compliant ( Version 1 ) Due date of deliverable: June 30 th, 2007 Actual submission date:

More information

2012 LABVANTAGE Solutions, Inc. All Rights Reserved.

2012 LABVANTAGE Solutions, Inc. All Rights Reserved. LABVANTAGE Architecture 2012 LABVANTAGE Solutions, Inc. All Rights Reserved. DOCUMENT PURPOSE AND SCOPE This document provides an overview of the LABVANTAGE hardware and software architecture. It is written

More information

Credits: Some of the slides are based on material adapted from www.telerik.com/documents/telerik_and_ajax.pdf

Credits: Some of the slides are based on material adapted from www.telerik.com/documents/telerik_and_ajax.pdf 1 The Web, revisited WEB 2.0 marco.ronchetti@unitn.it Credits: Some of the slides are based on material adapted from www.telerik.com/documents/telerik_and_ajax.pdf 2 The old web: 1994 HTML pages (hyperlinks)

More information

Office 365 SharePoint Online White Paper

Office 365 SharePoint Online White Paper Office 365 SharePoint Online White Paper Introduction Overview Cloud computing is slowly changing the way IT companies are offering their software solutions and services. Through cloud computing, IT companies

More information

An Architecture for Web-based DSS

An Architecture for Web-based DSS Proceedings of the 6th WSEAS Int. Conf. on Software Engineering, Parallel and Distributed Systems, Corfu Island, Greece, February 16-19, 2007 75 An Architecture for Web-based DSS Huabin Chen a), Xiaodong

More information

Introduction to Service Oriented Architectures (SOA)

Introduction to Service Oriented Architectures (SOA) Introduction to Service Oriented Architectures (SOA) Responsible Institutions: ETHZ (Concept) ETHZ (Overall) ETHZ (Revision) http://www.eu-orchestra.org - Version from: 26.10.2007 1 Content 1. Introduction

More information

SOA, case Google. Faculty of technology management 07.12.2009 Information Technology Service Oriented Communications CT30A8901.

SOA, case Google. Faculty of technology management 07.12.2009 Information Technology Service Oriented Communications CT30A8901. Faculty of technology management 07.12.2009 Information Technology Service Oriented Communications CT30A8901 SOA, case Google Written by: Sampo Syrjäläinen, 0337918 Jukka Hilvonen, 0337840 1 Contents 1.

More information

Managing the Cloud as an Incremental Step Forward

Managing the Cloud as an Incremental Step Forward WP Managing the Cloud as an Incremental Step Forward How brings cloud services into your IT infrastructure in a natural, manageable way white paper INFO@SERVICE-NOW.COM Table of Contents Accepting the

More information

DISTRIBUTED SYSTEMS [COMP9243] Lecture 9a: Cloud Computing WHAT IS CLOUD COMPUTING? 2

DISTRIBUTED SYSTEMS [COMP9243] Lecture 9a: Cloud Computing WHAT IS CLOUD COMPUTING? 2 DISTRIBUTED SYSTEMS [COMP9243] Lecture 9a: Cloud Computing Slide 1 Slide 3 A style of computing in which dynamically scalable and often virtualized resources are provided as a service over the Internet.

More information

A Modular Approach to Teaching Mobile APPS Development

A Modular Approach to Teaching Mobile APPS Development 2014 Hawaii University International Conferences Science, Technology, Engineering, Math & Education June 16, 17, & 18 2014 Ala Moana Hotel, Honolulu, Hawaii A Modular Approach to Teaching Mobile APPS Development

More information

Accelerating Business Value by

Accelerating Business Value by Accelerating Business Value by Mobilizing Backend Enterprise Applications To find out how GAVS can be engaged as your dedicated co-sourcing partner to improve business outcomes, please write to us at cosource@gavsin.com.

More information

Dynamic Web Programming BUILDING WEB APPLICATIONS USING ASP.NET, AJAX AND JAVASCRIPT

Dynamic Web Programming BUILDING WEB APPLICATIONS USING ASP.NET, AJAX AND JAVASCRIPT Dynamic Web Programming BUILDING WEB APPLICATIONS USING ASP.NET, AJAX AND JAVASCRIPT AGENDA 1. Introduction to Web Applications and ASP.net 1.1 History of Web Development 1.2 Basic ASP.net processing (ASP

More information

Cloud Computing. Chapter 1 Introducing Cloud Computing

Cloud Computing. Chapter 1 Introducing Cloud Computing Cloud Computing Chapter 1 Introducing Cloud Computing Learning Objectives Understand the abstract nature of cloud computing. Describe evolutionary factors of computing that led to the cloud. Describe virtualization

More information

A framework for web-based product data management using J2EE

A framework for web-based product data management using J2EE Int J Adv Manuf Technol (2004) 24: 847 852 DOI 10.1007/s00170-003-1697-8 ORIGINAL ARTICLE M.Y. Huang Y.J. Lin Hu Xu A framework for web-based product data management using J2EE Received: 8 October 2002

More information

INTRODUCTION TO CLOUD COMPUTING CEN483 PARALLEL AND DISTRIBUTED SYSTEMS

INTRODUCTION TO CLOUD COMPUTING CEN483 PARALLEL AND DISTRIBUTED SYSTEMS INTRODUCTION TO CLOUD COMPUTING CEN483 PARALLEL AND DISTRIBUTED SYSTEMS CLOUD COMPUTING Cloud computing is a model for enabling convenient, ondemand network access to a shared pool of configurable computing

More information

Manjrasoft Market Oriented Cloud Computing Platform

Manjrasoft Market Oriented Cloud Computing Platform Manjrasoft Market Oriented Cloud Computing Platform Innovative Solutions for 3D Rendering Aneka is a market oriented Cloud development and management platform with rapid application development and workload

More information

Fundamentals of Web Programming a

Fundamentals of Web Programming a Fundamentals of Web Programming a Software As A Service Teodor Rus rus@cs.uiowa.edu The University of Iowa, Department of Computer Science a Copyright 2009 Teodor Rus. These slides have been developed

More information

Introduction to Cloud Computing

Introduction to Cloud Computing Introduction to Cloud Computing Cloud Computing I (intro) 15 319, spring 2010 2 nd Lecture, Jan 14 th Majd F. Sakr Lecture Motivation General overview on cloud computing What is cloud computing Services

More information

Zero Downtime In Multi tenant Software as a Service Systems

Zero Downtime In Multi tenant Software as a Service Systems Zero Downtime In Multi tenant Software as a Service Systems Toine Hurkmans Principal, Research Engineering Exact Software About Exact Software Founded 25 years ago Business Solutions for SMB space 100.000

More information

Database Virtualization and the Cloud

Database Virtualization and the Cloud Database Virtualization and the Cloud How database virtualization, cloud computing and other advances will reshape the database landscape by Mike Hogan, CEO ScaleDB Inc. December 10, 2009 Introduction

More information

A review and analysis of technologies for developing web applications

A review and analysis of technologies for developing web applications A review and analysis of technologies for developing web applications Asha Mandava and Solomon Antony Murray state University Murray, Kentucky Abstract In this paper we review technologies useful for design

More information

Chapter. 4.1 2007 by Prentice Hall

Chapter. 4.1 2007 by Prentice Hall Chapter 4 IT Infrastructure: Hardware and Software 4.1 2007 by Prentice Hall STUDENT LEARNING OBJECTIVES What are the components of IT infrastructure? What are the major computer hardware, data storage,

More information

IT Infrastructure and Emerging Technologies

IT Infrastructure and Emerging Technologies IT Infrastructure and Emerging Technologies Content IT Infrastructure Infrastructure Components Contemporary Hardware Platform Trends Contemporary Software Platform Trends Management Issues 2 IT infrastructure

More information

APP DEVELOPMENT ON THE CLOUD MADE EASY WITH PAAS

APP DEVELOPMENT ON THE CLOUD MADE EASY WITH PAAS APP DEVELOPMENT ON THE CLOUD MADE EASY WITH PAAS This article looks into the benefits of using the Platform as a Service paradigm to develop applications on the cloud. It also compares a few top PaaS providers

More information

Holistic Performance Analysis of J2EE Applications

Holistic Performance Analysis of J2EE Applications Holistic Performance Analysis of J2EE Applications By Madhu Tanikella In order to identify and resolve performance problems of enterprise Java Applications and reduce the time-to-market, performance analysis

More information

Software Development Kit

Software Development Kit Open EMS Suite by Nokia Software Development Kit Functional Overview Version 1.3 Nokia Siemens Networks 1 (21) Software Development Kit The information in this document is subject to change without notice

More information

Performance Testing Web 2.0. Stuart Moncrieff (Load Testing Guru) www.jds.net.au / www.myloadtest.com

Performance Testing Web 2.0. Stuart Moncrieff (Load Testing Guru) www.jds.net.au / www.myloadtest.com Performance Testing Web 2.0 Stuart Moncrieff (Load Testing Guru) www.jds.net.au / www.myloadtest.com 1 Foundations of Web 2.0 (a history lesson) 1993 The National Center for Supercomputing Applications

More information

Techniques for Scaling Components of Web Application

Techniques for Scaling Components of Web Application , March 12-14, 2014, Hong Kong Techniques for Scaling Components of Web Application Ademola Adenubi, Olanrewaju Lewis, Bolanle Abimbola Abstract Every organisation is exploring the enormous benefits of

More information

Chapter 6 Essentials of Design and the Design Activities

Chapter 6 Essentials of Design and the Design Activities Systems Analysis and Design in a Changing World, sixth edition 6-1 Chapter 6 Essentials of Design and the Design Activities Chapter Overview There are two major themes in this chapter. The first major

More information

SaaS, PaaS & TaaS. By: Raza Usmani

SaaS, PaaS & TaaS. By: Raza Usmani SaaS, PaaS & TaaS By: Raza Usmani SaaS - Introduction Software as a service (SaaS), sometimes referred to as "on-demand software. software and its associated data are hosted centrally (typically in the

More information

IT Infrastructure: Hardware and Software

IT Infrastructure: Hardware and Software Chapter 4 IT Infrastructure: Hardware and Software 4.1 2007 by Prentice Hall STUDENT OBJECTIVES Identify and describe the components of IT infrastructure. Identify and describe the major types of computer

More information

CLOUD COMPUTING INTRODUCTION HISTORY

CLOUD COMPUTING INTRODUCTION HISTORY 1 CLOUD COMPUTING INTRODUCTION 1. Cloud computing is the use of computing resources (hardware and software) that are delivered as a service over a network (typically the Internet). The name comes from

More information

Rich Internet Applications

Rich Internet Applications Rich Internet Applications [Image coming] Ryan Stewart Rich Internet Application Evangelist rstewart@adobe.com Ryan Stewart Flex Developer for 3 years Rich Internet Application Blogger for 2 years http://blogs.zdnet.com/stewart/

More information

Cluster, Grid, Cloud Concepts

Cluster, Grid, Cloud Concepts Cluster, Grid, Cloud Concepts Kalaiselvan.K Contents Section 1: Cluster Section 2: Grid Section 3: Cloud Cluster An Overview Need for a Cluster Cluster categorizations A computer cluster is a group of

More information

Oracle WebLogic Foundation of Oracle Fusion Middleware. Lawrence Manickam Toyork Systems Inc www.toyork.com http://ca.linkedin.

Oracle WebLogic Foundation of Oracle Fusion Middleware. Lawrence Manickam Toyork Systems Inc www.toyork.com http://ca.linkedin. Oracle WebLogic Foundation of Oracle Fusion Middleware Lawrence Manickam Toyork Systems Inc www.toyork.com http://ca.linkedin.com/in/lawrence143 History of WebLogic WebLogic Inc started in 1995 was a company

More information

Getting Started Hacking on OpenNebula

Getting Started Hacking on OpenNebula LinuxTag 2013 Berlin, Germany, May 22nd Getting Started Hacking on OpenNebula Carlos Martín Project Engineer Acknowledgments The research leading to these results has received funding from Comunidad de

More information

Cloud Computing. Cloud computing:

Cloud Computing. Cloud computing: Cloud computing: Cloud Computing A model of data processing in which high scalability IT solutions are delivered to multiple users: as a service, on a mass scale, on the Internet. Network services offering:

More information

Whitepaper. Tangible Benefits of Cloud Networking versus the alternative. www.cranberrynetworks.com

Whitepaper. Tangible Benefits of Cloud Networking versus the alternative. www.cranberrynetworks.com Whitepaper Tangible Benefits of Cloud Networking versus the alternative www.cranberrynetworks.com Maximizing the Cloud for Wireless Access Points and Hot Spot Management Companies, both for profit and

More information