advanced web applications development technion cs 236606 spring 2003, class 14 (summary)

IBM Labs in Haifa© 2003 IBM Corporation

Advanced Web Applications Development

Technion CS 236606 Spring 2003, Class 14 (Summary)

Eliezer DekelJune 2003

IBM Labs in Haifa

© 2003 IBM Corporation

Agenda

The J2EE Platform and the J2EE SDK Sun’s “Duke’s Bank” Application (A simple Enterprise Application)1

Business on Demand

1. Based on a J2EE Tutorial by Sun Microsystems (see URL at the end of the section)

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The J2EE Platform, Architecture

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J2EE and Web Services

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What’s this J2EE technology stuff all about?

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The J2EE Architecture

Provides the benefits of components based development to Enterprise Application

These components are: Simpler to develop Portable Reusable

Server side components: Enterprise JavaBeans Servlets JSP

Client side components These components are:

Configured via Deployment Descriptors Deployed into containers

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The J2EE Packaging

The components are packed into modules EAR (Enterprise ARchive)

Enterprise JavaBeans Deployment Descriptors

WAR (Web ARchive) Servlets JSPs HTML Scripts Images Deployment Descriptor

JAR (Java Archive) Client side Java Classes Deployment descriptor

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J2EE Platform

J2EE Container Services Life cycle management Concurrent execution Request dispatching

Standard platform services Security Transactions Resource connections

Platform APIs JMS, JDBC, JNDI, JMX …

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“Duke’s Bank” Application

Online access to bank accounts Customers—Web clients

Account historyTransfer fundsWithdraw and deposit funds

Administrators—J2EE platform-based application client

Manage customersManage accounts TM

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“Duke’s Bank”

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Components of “Duke’s Bank” Application

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Session Beans

Represents a single client in the server A logical extension of the client Transient state—not persistent Examples:

AccountControllerEJB CustomerControllerEJB TxControllerEJB

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Entity Beans

Represents a business object in persistent storage (DB) Often provides an object view of a database table Examples:

AccountEJB CustomerEJB TxEJB

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Defining the Client’s View With Interfaces

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The EJBeans of “Duke’s Bank”

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Web Components and Execution Flow

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Security in “Duke’s Bank” Application

Secure each container to secure the entire application Use declarative not programmatic security Use authentication to prove identity Use authorization to restrict access

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More Details

Download The J2EE Tutorial and “Duke’s Bank” Application http://java.sun.com/j2ee/download.

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on demandon demand businessbusiness

business

Pricing Pressures

Security Threats

Capital and Asset Utilization

Customer Preferences

EconomyGovernanceProductivity

technology

Open Movement Commoditization

Clusters

GridsAutonomic Computing Web Services

Blades Virtualization Standards

Constantly Changing EnvironmentRequires constant improvement in business design and business process

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AdministrativeProductivity

Personal and Departmental Productivity

OrganizationalProductivity

Evolution of Business and Computing

Mainframe Client / Server On DemandNetwork

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Business Challenges

Demand for faster innovation

Relentless cost pressures

Integration inside, outside and across my entire value chain

Shift from fixed to variable cost

Demand for predictable ROI

Dramatic improvement in IT costs

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Busin

ess

Desig

n

Financial &

Delivery Models

ComputingEnvironment

On Demand Business

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Busin

ess

Desig

n

On demand business

Responsive Variable Focused Resilient


On Demand Business

Financial &

Delivery Models

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Aviva (Norwich Union)

WHY BECOME ON DEMAND: To better calculate and assign auto insurance premiums to motorists.

SOLUTION:“Pay as you drive” pilot insurance program. Real-time tracking using telematics and analysis to calculate insurance premiums based on when, where, and how often the vehicles are used.

BENEFITS:• Aviva customers would prefer their auto insurance

reflect the use of their car.

• Fairer insurance rates based on actual use and the ability to locate / track cars reported stolen.

• Motorists can request emergency and other services using a specially designed, multi-button console mounted in the cabin.

Information on demand to calculate premiums

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Activities that cross multiple business processes

On DemandOn DemandBusinessBusiness

Procurement HR Business UnitCRM

Customers & Channel PartnersCustomers & Channel Partners

Supply Chain CapabilitySupply Chain Capability

Innovation & Product DevelopmentInnovation & Product Development

People & Performance IssuesPeople & Performance Issues

FinanceFinance

Technology OptimizationTechnology Optimization

Entry Points to Business Transformation

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Business Design

Wimbledon

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Busin

ess

Desig

n Financial &

Delivery Models


On Demand Business

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Busin

ess

Desig

n Financial &

Delivery Models


On Demand Operating EnvironmentOpen

IntegratedVirtualizedAutonomic

Requires an On Demand Operating EnvironmentOn Demand Business

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On Demand Operating Environment

OpenOpen

IntegratedIntegrated

CollaborationCollaboration TransactionalTransactionalProcessesProcesses

InformationInformationManagementManagement

AutonomicAutonomic

AvailabilityAvailability SecuritySecurity OptimizationOptimization ProvisioningProvisioning

VirtualizedVirtualized

Virtualization EngineVirtualization Engine

ServersServers StorageStorage Distributed SystemsDistributed Systems NetworkNetwork

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Charles Schwab

WHY BECOME ON DEMAND:Enable employees to provide immediate, real-time help to customers, within an existing IT infrastructure that currently necessitates customer call-backs.

SOLUTION:Grid-enable existing wealth management application to reduce processing time.

BENEFITS:• Reduced the processing time from more than four

minutes to 15 seconds

• Increase customer satisfaction by responding to inquiries in real time … while the customer is on the phone

Grid application saving money, driving new levels of customer service

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Computing Environment

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Busin

ess

Desig

n Financial &

Delivery Models


On Demand Business

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Busin

ess

Desig

n Financial &

Delivery Models


On Demand Business

New ways to pay for and manage IT Flexible Variable Managed Optimized

Redefines Financial and Delivery Models

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Process-Specific

Financial and Delivery ModelsIndustry-Specific

Seismic Exploration

Market Data Feeds

Logistics

Manufacturing

Benefits Administration

Digital Content Creation

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Flexible Financial and Delivery Models

Fixed

Traditional IT

Managed Operations

Utility Services

Capacity On Demand

Financial Models

Del

iver

y M

odel

s

Off Premises

Shared

Variable

Off Premises Dedicated

On Premises Utility

Mixed

On Premises

Customers choose where and how they access IT

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WellChoice, Inc. (Empire Blue Cross Blue Shield)

WHY BECOME ON DEMAND:• Offer subscribers more personalized policies

• Reduce cost, improve efficiency of claims processing

SOLUTION:Restructure IT infrastructure to ultimately enable WellChoice, Inc. to move from fixed-price to “pay-as-you-go” (per-member, per-month) model with a combination of outsourcing and utility computing.

Must be self-funding.

BENEFITS:• Reduced costs. Estimate significant savings over course of ten

year agreement.

• New data granularity informs product development, improves time-to-market, and provides insights into medical management not before possible.

Re-investment model to enable IT modernization

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Financial and Delivery Models

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Mobilizing IBM

Continued strategic investment Business Consulting Services Business Transformation

Outsourcing Services IBM Research’s On Demand

Innovation Services and e-business on demand Design Centers for customers

Acquired Rational, among other software firms

Into our processes w3 on demand portal resource

for employees and field On demand marketing

management

Leadership in open standards, i.e.,

Linux, web services Investment in emerging growth

areas, such as utility services, grid, autonomic computing, life sciences

Leading products, e.g., WebSphere, DB2, Regatta, Shark, ASIC

Advertising campaign focus

On demand IPMT On demand sales project office

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IBM’s On Demand Transformation

WorkforceON DEMAND WORKPLACE: w3Helping to manage, focus and equip employees to increase productivity, and shape IBM culture.

Manufacturing300mm SEMICONDUCTOR FACILITYFully automated, integrated processes continuously prioritize chip production schedules. Development + manufacturing combined.

Supply ChainINTEGRATED SUPPLY CHAINEnd-to-end integration of processes and systems. Reduced $5 billion in cost and expense in 2002. Expect another $5 billion in 2003.

Business Process Outsourcing

HR BENEFITS ADMINISTRATION, CONTRACT MANUFACTURING Partner with Fidelity Employer Services and with Sanmina-SCI for PC manufacturing in US and Europe.

Technology Optimization

GRIDIBM intraGrid for R&D. Grid technologies used for designing our latest microprocessor technologies. Solutions Grid for ISV partners.

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Why IBM?

We have always aspired to do two things better than any other company in the world:

I. Create innovative technologies

II. And help our customers apply them to transform what they do and how they do it.

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Appendix

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An enterprise whose business processes – integrated end-to-end across the company and with key partners, suppliers and customers – can respond with flexibility and speed to any customer demand, market opportunity or threat

advanced web applications development technion cs 236606 spring 2003, class 14 (summary)

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