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Chapter 3 Selecting the Technology Agenda Internet Technology Architecture Protocol ATM IT for E-business Selection Criteria Platform Middleware Tools Agenda Internet Technology Architecture Protocol ATM IT for E-business Selection Criteria Platform Middleware Tools

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chapter 3

Chapter 3

Selecting the Technology

agenda
Agenda
  • Internet Technology
    • Architecture
    • Protocol
    • ATM
  • IT for E-business
    • Selection Criteria
    • Platform
    • Middleware
    • Tools
agenda3
Agenda
  • Internet Technology
    • Architecture
    • Protocol
    • ATM
  • IT for E-business
    • Selection Criteria
    • Platform
    • Middleware
    • Tools
architecture
Architecture
  • Nodes
    • End-notes (clients, servers)
    • Intermediary nodes (traffic forwarding)
  • Organizations
    • Standards: Internet Engineering Task Force (IETF)
    • Management: Internet Engineering Steering Group (IESG)
    • Policy and practice: Internet Society (ISOC)
    • Web standard: World Wide Web Consortium (W3C)
agenda5
Agenda
  • Internet Technology
    • Architecture
    • Protocol
    • ATM
  • IT for E-business
    • Selection Criteria
    • Platform
    • Middleware
    • Tools
protocol
Protocol
  • Internet Protocol Suite (IPS) or TCP/IP
  • OSI/ISO
    • Link layer
    • Network layer
    • Transport layer
    • Application layer
link layer
Link Layer
  • Function
    • Nodes connection to communication channels
  • Protocol
    • Fiber Distributed Data Interface (FDDI) for Ethernet
    • Point to Point Protocol (PPP) for token ring
network layer
Network Layer
  • Function
    • Data addressing
    • Transmission of information
    • Multi-casting
    • Audio and video broadcasts
  • Protocol
    • Internet Protocol (IP): IPv4 & IPv6
    • Internet Group Management Protocol (IGMP)
  • Domain Name System (DNS)
  • Dynamic Host Configuration Protocol (DHCP)
ipv4 ipv6
IPv4 & IPv6
  • Static Addressing IPv4
    • Continuity
  • Dynamic Addressing IPv6
    • Network address translation (NAT)
    • Service more users
    • Easier configuration and management
    • Security
    • Quality of Service (QoS) for different priority
    • More services & applications
transport layer
Transport Layer
  • Function
    • Delivery of data
    • Complete and accurate data delivery
  • Protocol
    • Transmission Control Protocol (TCP)
    • User Datagram Protocol (UDP)
application layer
Application Layer
  • Function
    • Delivery data from one application to another one
  • Protocol
    • Hypertext Transfer Protocol (HTTP)
    • Simple Mail Transfer Protocol (SMTP)
    • File Transfer Protocol (FTP)
agenda12
Agenda
  • Internet Technology
    • Architecture
    • Protocol
    • ATM
  • IT for E-business
    • Selection Criteria
    • Platform
    • Middleware
    • Tools
slide13
ATM
  • Asynchonous Transfer Mode (ATM)
  • Multimedia communications
  • Constant-sized cells for repaid switching
  • Scalability bandwidth on demand
  • Fiber cabling
  • Back bond network
  • Standards and interoperability
agenda14
Agenda
  • Internet Technology
    • Architecture
    • Protocol
    • ATM
  • IT for E-business
    • Selection Criteria
    • Platform
    • Middleware
    • Tools
selection criteria
Selection Criteria
  • Cost
  • Function & feature
  • Performance
  • Scalability
  • Availability and reliability
  • Management tool
  • Support
  • User’s need (business & customer)

Can you think more important selection criteria?

agenda16
Agenda
  • Internet Technology
    • Architecture
    • Protocol
    • ATM
  • IT for E-business
    • Selection Criteria
    • Platform
    • Middleware
    • Tools
platform
Platform
  • High-end commercial Unix Systems
  • Low-cost Intel/Motorola-base operations systems (Linux, Windows NT, MacOS X)
agenda18
Agenda
  • Internet Technology
    • Architecture
    • Protocol
    • ATM
  • IT for E-business
    • Selection Criteria
    • Platform
    • Middleware
    • Tools
middleware
Middleware
  • Mail systems
  • Network management software
  • Security software
  • Payment software
  • Database management systems
middleware20
Middleware
  • Mail systems
    • Private mail systems (within company)
    • Public mail systems (ISP): service level agreements (SLAs)
  • Network management software requirements
    • Multi-vendor environments
    • Multi-platform infrastructures
    • Central user interface, software, hardware management
    • Integrated functions: inventory, storage, scheduling and security
    • Integrated resource management: systems, networks, desktops, database, and applications
    • Anything else?
middleware21
Middleware
  • Security software requirements
    • Confidentiality: privacy
    • Integrity: accuracy
    • Availability: continue access
    • Legitimate: authorized usage
    • Non-repudiation: digital signature & digital certification
    • Anything else?
middleware22
Middleware
  • Payment software requirements
    • Convertible (different currency)
    • Privacy issue
    • Minimum transaction cost
    • Security
    • Flexible
      • Micro-payment
      • Consumer payment
      • Business payment
    • Anything else?
middleware23
Middleware
  • Database management systems
    • Relational
    • Object-oriented
agenda24
Agenda
  • Internet Technology
    • Architecture
    • Protocol
    • ATM
  • IT for E-business
    • Selection Criteria
    • Platform
    • Middleware
    • Tools
tools
Tools
  • Image software
  • Web page editors
  • Content management
  • Graphic software
  • Sound software
  • Data warehousing & data mining
  • Enterprise resource planning
  • Call center
tools26
Tools
  • Imaging technologies
    • Static image formats: GIF, JPEG and PNG
    • Dynamic image formats: QuickTime VR
  • Web page editors requirements
    • Code efficiency
    • Spell checker
    • Site management feature
    • Syntax checking
    • Anything else?
tools27
Tools
  • Content management
    • Generating, controlling and organization of web content
  • Graphic software
    • Dynamic HTML (DHTML)
  • Sound software
    • Compress rate
    • .wav, .aiff, .au
tools28
Tools
  • Data warehousing
    • De-normalized data
    • Cross-reference data
    • Data archive
    • Support decision making
  • Enterprise Resource Planning (ERP)
    • Digitizing business processing
    • Coordinating demand, supply, and production
    • Business analysis, new procedure, employee training
tools29
Tools
  • Call center
    • Solving customer problems
    • A single point of contact providing convenience and satisfaction
    • Outsource or in-house

Shall we outsource call center for e-business?

discussion problem
Discussion Problem
  • How does e-business implementation affect your systems analysis and design process?
points to remember
Points to Remember
  • Internet Technology
    • Architecture
    • Protocol
    • ATM
  • IT for E-business
    • Selection Criteria
    • Platform
    • Middleware
    • Tools