ch15_final

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Software Standards and the Next Inflection Point
FIGURE 15-1: Software standards and the next inflection point
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Four Phases Proprietary
Until the early 80s Mostly mainframe computers accessed through key punches and dumb terminals Little communication between systems with few options such as private networks or physical media.
Eventually created a large user base and a large market for applications Communication standards developed mostly for local networks

Ethernet and IBM token ring



Uniform access capability anytime and anywhere Standard way to track products in order to provide participants with the information they need to perform efficiently Uniform Code Council
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System Architecture
Encompasses the way the components are configured Components imply:


Databases, interface devices, communications

Two main categories:

a form of distributed processing some processes are performed centrally for many users while others are performed locally on a user’s PC
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Client/Server Architecture


Service Oriented Architecture (SOA)
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15.2 IT Standards

High level of standards evolving due to following reasons:




Market forces Standards reduce cost of system development and maintenance. Interconnectivity Connecting different systems and work across networks has pushed the development of standards New software models Internet has produced the need for software that has new development and deployment characteristics. Economies of scale Standards reduce the price of system components, development, integration, and maintenance.
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Legacy System Architecture
FIGURE 15-2: Legacy system architecture
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Client/Server Architecture

Systems take advantage of the PC’s computing power and friendly graphic interface. PC is typically called the “client” Main processor is the “server.” Client/server computing


Created the bar code system, Universal Product Code (UPC), in 1973 Scanning and recording information about products Automatic data capture interfaces, bar-code readers and radio frequency (RF) tags RF tags used to locate items, particularly in large warehouses. Together with GPS capabilities, enables tracking of tagged cargo while in shipment. RFID tag a replacement for the RF tag

Interface/presentation devices Communications Databases System architecture
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Interface Devices

Common devirs, voice mail, terminals, Internet devices, barcode scanners, PDA
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Four Phases Collaboration

Next phase of standards
Currently being developed Addresses collaboration Supporting technology built around SOA and BPM technologies Has further increased the importance of ERP systems

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Four Phases Stand Alone

IBM PC software and hardware introduced the first standard platform called Wintel

Microsoft Windows and Intel standard



Missing link in communications provided by the internet Expanded the connection across organizations and beyond the local network Forms of communication enabled:
Local PC browser processes the HTML (hypertext markup language) pages and Java applets (i.e., small applications) These are retrieved from servers Evolving towards a Web-centric model where the client is a Web browser connected to a Web server.
Legacy system architecture Client/Server architecture

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Legacy System Architecture





Evolved as departmental solutions using mainframe or minicomputers that were accessed through “dumb” terminals Company’s main systems for special applications such as word processing or spreadsheets. PCs Connecting PCs by means of local area networks (LANs) LANs extended across companies with wide area networks (WANs)
Chapter 15
Technology Standards
McGraw-Hill/Irwin
Copyright © 2008 by The McGraw-Hill Companies, Inc. All rights reserved.
15.1 Introduction
Technology standards are important in supply chain management Review


Electronic mail File and information transfer Electronic commerce from shopping, bidding, and exchanges Shipment tracking Extended collaboration between companies on joint forecasts, transportation and other activities.
Legacy systems replaced by client/server-based enterprise resource planning (ERP) systems ERP Systems:


Year 2000 fears


1st generation systems: finance and human resource applications Subsequent: Manufacturing and distribution More recent: Adding supply chain capabilities

Most current system design use this architecture Variations in:


Sophistication and price of the client Number and type of servers Other design parameters

For business networks private networks were mostly used for file transfers

Electronic data interchange (EDI)

Client/server was developed
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Four Phases Connected

IT related standards New technology platforms Evolving technology standards

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New Developments
Radio Frequency Identification Devices (RFID) Consolidation of market to a few players New approaches to system design

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15.3 IT Infrastructure

Critical in the success or failure of any system implementation Forms the base for data collection, transactions, system access, and communications. Infrastructure components:
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