![Page 1: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/1.jpg)
Chapter 5
Network Computing
![Page 2: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/2.jpg)
Agenda
• Functions
• Feasibility
• Analysis
![Page 3: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/3.jpg)
Network Functions
• Discovery
• Communication
• Collaboration
![Page 4: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/4.jpg)
Discovery
• Internet, Web– Software agents, intelligent agents– Data warehouse and data mining
• Characteristics– Open– Resourceful– Efficient– Dynamic
![Page 5: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/5.jpg)
Communication
• Internet, Intranet, Extranet
• Real-time, no distance
• Voice, data, video
![Page 6: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/6.jpg)
Collaboration
• Groupware, Group decision support systems, (GDSS), Intranet, Extranet– Workflow systems: administrative, purchasing,
production, etc.– Screen sharing– Productivity, quality, timely
![Page 7: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/7.jpg)
Agenda
• Functions
• Feasibility
• Analysis
![Page 8: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/8.jpg)
Enterprise Networking Goals
• Connectivity
• Portability
• Interoperability
• Scalability
• Others?
![Page 9: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/9.jpg)
Network Feasibility• Technology
– Hardware– Media– Software– Protocols
• Operation– Horizontal, vertical, both– Culture, level of computing (individual, dept, etc.)
• Legal– International, interstate
• Cost/benefit• Corporate objectives
![Page 10: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/10.jpg)
Agenda
• Functions
• Feasibility
• Analysis
![Page 11: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/11.jpg)
Network Analysis
• Open system interconnection (OSI)• Type• Topology• Architecture• Transmission characteristic• Protocol• Interface• Media
![Page 12: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/12.jpg)
Network Analysis
• Lines
• Carrier
• Service
• Security
• Code
• Signal
![Page 13: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/13.jpg)
Open system interconnection (OSI)
• Physical layer
• Data link layer
• Network layer
• Transport layer
• Session layer
• Presentation layer
• Application layer
![Page 14: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/14.jpg)
Network Types
• Voice or data– Private branch exchange (PBX)– Centrex
• LAN, MAN, WAN• Enterprise
– Internet– Intranet– Extranet
• Public, private
![Page 15: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/15.jpg)
Network Types
• Valued added– Packet switching– Frame relay– Asynchronous transfer mode (ATM)– Integrated services digital network (ISDN)– Digital subscriber line (DSL)– Fiber distributed data interface
• Virtual private network (VPN)• Backbone
![Page 16: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/16.jpg)
Network Types
• Wireless– Cellular radio technology– Mobile computing– Personal communication system– Personal digital assistance
![Page 17: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/17.jpg)
Network Topologies
• Token ring
• Bus
• Star
• Hierarchical
• Web
• Hybrid
![Page 18: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/18.jpg)
Network Architecture
• Client/server
• Peer-to-peer
![Page 19: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/19.jpg)
Transmission characteristics
• Speed– Bits per second (bps)– Baud rate (Hertz)
• Direction– Simplex– Half-duplex– Full-duplex
• Mode– Asynchronous– Synchronous
• Accuracy– Horizontal– Vertical– Cyclic redundancy checking
![Page 20: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/20.jpg)
Protocols
• Definition– Rules & procedures for transmission
• Protocol types– Token passing
– Carrier sense multiple access/collision detection
– Transmission control protocol/internet protocol (TCP/IP)
– Telnet
– HTTP
![Page 21: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/21.jpg)
Interface
• Transmission interfaces– Parallel data transfer
– Serial data transfer
– Universal asynchronous receiver/transmitter
• Network interfaces– Interface card
– Routers
– Bridges
– Gateways
![Page 22: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/22.jpg)
Interface
• Modem
• Multiplexer– Frequency division, time division, statistical
time division, wavelength division
• Front-end processor
• Concentrator
![Page 23: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/23.jpg)
Network Media
• Cable media– Fiber optics– Coaxial cable– Twisted-pair wire– Shield twisted-pair wire
• Wireless– Microwave– Radio– Infrared– Satellite
![Page 24: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/24.jpg)
Network Lines
• T1, T2, T3, T4, T5
• ISDN
• DSL
• Wireless
![Page 25: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/25.jpg)
Network Carriers
• International
• Long distance
• Local
• Wireless
• Internet service provider
![Page 26: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/26.jpg)
Network Services
• Types– In-house– Outsource
• Services– Data– Voice– Video– Wireless
![Page 27: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/27.jpg)
Security
• Transmission– Hardware– Software
• Personnel
• Procedure
• Inventory
• Physical & Logical
![Page 28: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/28.jpg)
Others• Codes
– ASCII– EBCDIC– Unicode
• Error corrections– ACK: acknowledge– NAK: negative acknowledge
• Impact– Health, job, organization, social
• Issues– Ethics, privacy, free speech, copy right, management
![Page 29: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/29.jpg)
Points to Remember
• Functions
• Feasibility
• Analysis
![Page 30: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/30.jpg)
Discussion Questions
• Why does an organization need a reliable network?
• What are the general selection criteria for a network?
• What kind networks are useful to an university such as CSUS?
• What kind networks are needed by a company such as Intel?
![Page 31: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/31.jpg)
Discussion Questions
• Design a network system for a university in terms of the following items:– Types– Topologies– Media– Lines– Carrier– Services– Security– Health– Privacy
![Page 32: Chapter 5 Network Computing. Agenda Functions Feasibility Analysis](https://reader030.vdocuments.mx/reader030/viewer/2022032806/56649f0b5503460f94c1ee77/html5/thumbnails/32.jpg)
Assignment
• Review chapter technology guides 1-2 & chapters 1- 5
• Read chapter technology guide 4
• Group assignment 1 due date: 10/2/01
• Research paper