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Enterprise Infrastructure

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An enterprise infrastructure provides the backbone management and communications ... Portals are windows on the enterprise using the internet. ... – PowerPoint PPT presentation

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Title: Enterprise Infrastructure


1
Enterprise Infrastructure
  • Bina Ramamurthy

2
Introduction
  • Integration of the enterprise relies on an
    enterprise-wide infrastructure to support
    communications and shared services.
  • An enterprise infrastructure provides the
    backbone management and communications that link
    the business systems.
  • Collection of services and facilities that link
    business systems, management information systems,
    and portals for customers, employees and other
    partners.

3
Enterprise Integration Infrastructure
Business System Domain
Decision Support Facilities
Plant Control Systems
Intranet facilities System Management Archiving
Service
Personal computers Security services Meta data
Repository
Messaging service Organization Directory
Knowledge Mgt.
Portals
B2B Messaging
4
Intranet Facilities
  • The intranet is for providing internal user
    access to applications and for the exchange of
    messages and files between applications.
  • Typically contains a number of LANs linked by a
    wide-area-network with firewall and remote access
    facilities.

5
Messaging Services
  • Sometimes called Message Oriented Middleware
    (MOM) provide communication between Business
    System Domains (BSD) and their applications in a
    store-and-forward, asynchronous mode of
    communication.
  • An sender application posts a message to a queue
    for later delivery.
  • The receiver application removes the message from
    the queue to process the message.
  • Queue guarantees once-only-once delivery.
  • Message is ready for delivery only after a
    transaction associated with it has committed.

6
Messaging (contd.)
  • To provide flexibility and to reduce the number
    of connections between applications a message
    broker service is used.
  • An additional capability called
    publish-and-subscribe service allows applications
    to publish the occurrence of an event that other
    applications have subscribed for.
  • Messages can be filtered to have a certain
    characteristics before getting forwarded.
  • Message transformation is another service
    associated with asynchronous messaging.

7
Messaging and XML
  • Currently XML is the preferred format for
    messages.
  • Transformations can be specified using style
    sheets (XSLT).
  • Store and forward also helps realize loose
    coupling requirement of enterprise systems.

8
Meta Data Repository
  • It is a data dictionary.
  • It is the data about the data, systems and
    interfaces.
  • Six categories of meta data are
  • Database scheme
  • Object interface repository
  • Message transformation specification
  • Data warehouse meta data (historical data for
    mining)
  • Knowledge meta data
  • XML schema specifications specific to the business

9
Portals
  • Portals are windows on the enterprise using the
    internet.
  • Enterprise portal public interface of the
    enterprise to the outside world.
  • Employee portal services and references of
    interest to employees benefits portal
  • Retail Portal for conducting business with
    general public.
  • Customer service portal for customer relation
    management.

10
B2B Portal/exchanges
  • Typically for conducting business between
    partners through application to application
    interactions (not human /computer)
  • ebXML is a standard developed for interchange of
    documents and protocols to follow.
  • It uses secure messaging (https)
  • Example Auction framework.

11
Summary
  • Enterprise infrastructure is a key element in
    achieving
  • Integration
  • Economies of scale
  • Flexibility
  • Security

12
Introduction
  • State the purpose of the discussion
  • Identify yourself

13
Topics of Discussion
  • State the main ideas youll be talking about

14
Topic One
  • Details about this topic
  • Supporting information and examples
  • How it relates to your audience

15
Topic Two
  • Details about this topic
  • Supporting information and examples
  • How it relates to your audience

16
Topic Three
  • Details about this topic
  • Supporting information and examples
  • How it relates to your audience

17
Real Life
  • Give an example or real life anecdote
  • Sympathize with the audiences situation if
    appropriate

18
What This Means
  • Add a strong statement that summarizes how you
    feel or think about this topic
  • Summarize key points you want your audience to
    remember

19
Next Steps
  • Summarize any actions required of your audience
  • Summarize any follow up action items required of
    you
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