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Ch. 7 Enterprise Infrastructure

9 Pages
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Department
Financial Accounting
Course Code
MGAC70H3
Professor
Bill Mc Conkey

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MGTC11 Wk 8 March 8, 2011
Ch. 7 Enterprise Infrastructure
Introduction
Service-oriented architecture (SOA): software architecture perspective focus on
development, use , and reuse of small self-contained blocks of code to meet all application
software needs of organization
- use established building blocks
- new applications built on past solutions
- high-level holistic approach
SOA philosophy:
Lean agile organization using resources efficiently and effectively
React quickly to chgs in mkt, competition, and customer demographics
Adapt to new advances in tech
Transform processes to match dynamic workforce
- bound by few constraints
- capitalize on new competitive advantage
Customers
- provide multichannel service delivery options
- customizable products and services
- customers able to plug-and-play into communications channel of organization
- consistent high quality interaction
- customers plug in desires and wants; organization respond with tailored offerings to
delight
- system does the work
End-Users
- fully integrated ERP system that meets application software and information need of
employee
- access regardless where they are
- ERP support transparent inoperability across multiple vendors, and within ERP modules
www.notesolution.com
Software Development
- use diff software dev methods focus on production of reusable blocks of code
(rapid application development, extreme programming, agile methodology)
- infrastructure platform support SOA approach
i.e. Ajax, SOAP, WSDL, CORBA)
Information Needs
- need access to info, bus intelligence, knowledge that supports decision-making efforts
SoA approach to information requires:
Standard format
Strict integrity control mechanisms to ensure valid info
No duplicate info exists in disparate silos
Any info from any source easily coupled with other information
Hardware Requirements
- free to choose diff tech platforms to integrate seamlessly
- storage area networks should have capacity
- access to info simple
- safe, secure, same procedures to access network
Hardware and Software Infrastructure
Infrastructure: relative term meaning the structure beneath a structure; diff layers
provide support
- IT infrastructure: SoA
- hardware, software, information (1) ensure components integrate and (2) enable ppl to
interact and perform tasks
Enterprise Resource Planning (ERP) Revisited
- big business, top of IT spending
- offer smaller firms simple, cheaper, prefigured solutions easy to install within budget and
time constraints
Major vendor qualities for product selection and implementation
LT vision, commitment to service support, specialty features, experience, fin
strength for R&D
- growth rate 30% per year
www.notesolution.com
Business factors:
Globalization, fostering mergers and stimulate creation of big corporations with high
info requirements
General market maturity in developed countries, fostering competition and customer
power
Advances in info and communication technologies allowing database centralization
to integrate with ERP environment
Technical reason:
Intro of Euro currency, since most systems unable to handle multiple currencies
The Evolution of ERP Systems
1. MRP
Materials Requirement Planning
-internal production planning,
calculate time requirements,
procurement, materials planning
-what needed at right time
2. MRP II
Manufacturing Resources Planning
-closed loop with acctg and fin mgmt
systems
-served as decision support system as
well as executive information system
3. ERP
Enterprise resource planning
-lead times shorten
4. ERP II -expansion into adjacent markets
(SCM, DWBI, CRM, e-business)
ERP and SoA
Primary goals of ERP system within SoA:
1.provide interoperability within ERP vendor and modules among diff vendors
2.hide underlying IT infrastructure of info and hardware from end-users and
customers
interoperability: capability of two or more computing components to share info and
resources
sustainable interoperability: replace software modules with in-house developed and
other vendors, add other modules and plug directly
www.notesolution.com

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Description
MGTC11 Wk 8 March 8, 2011 Ch. 7 Enterprise Infrastructure Introduction Service-oriented architecture (SOA): software architecture perspective focus on development, use , and reuse of small self-contained blocks of codeto meet all application software needs of organization - use established building blocks - new applications built on past solutions - high-level holistic approach SOA philosophy: Lean agile organization using resources efficiently and effectively React quickly to chgs in mkt, competition, and customer demographics Adapt to new advances in tech Transform processesto match dynamic workforce - bound by few constraints - capitalize on new competitive advantage Customers - provide multichannel service delivery options - customizable products and services - customers able to plug-and-play into communications channel of organization - consistent high quality interaction - customers plug in desires and wants; organization respond with tailored offerings to delight - system does the work End-Users - fully integrated ERP system that meets application software and information need of employee - access regardless where they are - ERP support transparent inoperability across multiple vendors, and within ERP modules www.notesolution.com
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