Networking: Discovery, Communication, Collaboration

1
Chapter 04

• Networking Discovery, Communication,
  Collaboration

2
Learning Objectives

• ????????????????????????? Internet ??? Web
  ??????????????????????
• ??????????????????????? intranets extranets ???
  corporate portal ????????? ?????
• ????????????????? ????????????????? Internet
• ?????????????????????????????????????? Internet
  intranets ??? extranets ???????
  ?????????????????????????????
• ?????????????????????? groupware
• ??????????????????????????? e-learning ???
  distance learning .
• ????????????????????????????????????????
  telecommuting ?????????????????????? ??????????

3
Super Bowl XXXIX Collaboration Portal

• The business problem
• Jacksonville ??????????????????? Super Bowl
  ???????? 39 ???? 2005 ??????????????
  ???????????????????????????????????????????? 34
  ???? 2000 ???????? ????????? ? ???????????????????
  ???????? ??? ???????? ??? ?????
  ?????????????????????????????? Sep 11 ?????????
  ??????????????????????????????????????????????????
  ??? ? ??????????????????? federal ??? national
  security agency ???? ?
• ?????????????????????????????????? logistic
  ?????????????????????? 39 ???? Jacksonville
  Sheriffs office (JSO) ???????????????? inspector
  150,000 ?? ?????????????????????????? 6,000
  ????????? ????????????????????????????? ? ???53
  ???????

4

• IT Solution
• John Rutherford ?????? real-time Web-based
  communication ???? E-Sponder ???????????? IE6
  browser ( ???????????????? e-sponder.com/dowloads/
  Superbowl-large.wmv ????) ??? collaborate portal
  (convergencecom.com) ????????
• ?????????????????????????????????
  ???????????????????????????????????????????????
• http//www.e-sponder.com/
• http//www.convergencecom.com/

5
(No Transcript)
6
(No Transcript)
7

• The Results
• ???????????? ? ??? collaborate tool ???
• ????????????????????????????????????????
• ?????????????????????????? (collaboration)
  ??????? real-time
• Optimized situational awareness
• ???????????????????????????????
  ???????????????????????????????
• ?????????????????????????????? JSO
  ??????????????????????????????????

8
4.1 Network Computing- Overview and Driver

• ???????????????????????????????????????? ??????
  (data) ??? ?????? (document), ????? (voice) ???
  (video) ???????????????????????????????????
  ???????????????????????????????? (Protocol)
  ??????????? (Network) ?????????? ??????????? 4.1
• ????????????????????????????????????????
  ??????????????????????????????????????????
  ??????? ??????? (digital packet)
  ????????????????(format)??? Internet Protocol
  (IP) ?????????????????????????????????????
  (computer network) ???? LAN ???????
  ??????????????????????????? Transmission Control
  Protocol (TCP) ??????????????????????????????
  (format ??? protocol) ?????????? TCP/IP model
  ????????????????????????????????
• ????????????????????????????????? 4.1 ?????????

9
Network, Protocols and Transfer Methods of
Information Services
10

• Packet Technologies An Enabler
• Packet Technologies ?????????????? ????? ??????
  ??? ???????????????????????????? (packet)
  ??????????????????????? single, high speed
  network
• Converged Networks A powerful architecture
• ???????????????????????????????
  ???????????????????????? (convergence)
  ?????????????? ????????????????? ?????? ??????
  ??????????????????????????????? ? ???????????
  ??????????????????????????????? (collaboration)
  ???????????????????????? (Supply chain) ????????
  ???????????? (supply) ??????

??????????????? IT at Work 4.1 The Future and
Force of Convergent Solution page 122
11

• SIP (Session initiation Protocol)
• ????????????????????????????????????????????
  ?????????? (signaling of call or communication)
  ??????????????????????????? ??????????????????????
  ???? IP Phone, Instant Message (IM) clients,
  soft phone, smart phone ???????
• ?????????????????? ???????????????????????????????
  ??????????????????
• ??????????????? A Closer Look 4.1 Tech-Fueled
  Productivity Gains page 123

12

• The internet and WWW
• ???????????????????????????????????????????? 21
  ?????????????????? (Web) ?????????????????????????
  ? ???? ????????????? ????????????? (Information
  Superhighway) ???????????????????????
  ???????????? (Internet) (?????????????? a
  global network of computer networks)
• ??????????????????????????????????????????????????
  ????? ? ???
• 1) ?????????????? (presence)
• 2) ??????????????????????????(e-commerce)
• 3) ????????????? (collaboration)
• 4) ???????????? (integration)

13
Internet Application Categories

• ??????????????????????????????????????????????????
  ?? ????????????
• ???????? (Discovery) ?????????????
  ????????????????????????????????
  ?????????????????????????????????????????
  ????????? ???/????????????? ????????????
  ?????????????????????????????? Software agents
• ?????????? (Communication) ???????????????????????
  ?????????????????????? ??????? ?????????
  ????????????????????????? online bulletin boards
  ?????????????????? ????????????????? ?
  ?????????????????????
• ???????????? (Collaboration) ?????????????????????
  ????? ?????????????? ???????????????????????????
  ???????????? ???/????????? ???????????????????
  ???????????????????????????

14
The Network Computing Infrastructure

• ??????????????????? internet ??? Web
  ???????????????????????????? ? ??? Network
  Computing ???
• The Intranet ????????????????????????????????????
  ???????????????????????? ????????????????????? ?
  ????????????????????????????????????? ??????
  ????????? ????????????????????????????????????????
  ?????????????? ??? ?????????
• Extranet ????????????????????????????????????????
  ? ????????????????? ??? ?????????????????????????
  ??????????????????????? ??????????????????????????
  ??? ????????????????????????

15
Information Portals

• ???????????? intranet ??? internet
  ???????????????????? ??????????? ? ??????
  ?????????????????? information overload
  ?????????????????????? ???????? ????????????
  ?????? e-mail database ???????????????????????????
  ???????????? ?????????????????????????????????????
  ????????????????????????????????? ????????
  ????????????????????????????? (Portal) ?????
  ?????????? Portal ??????????? ????????????????????
  ???????? ? ???????
• Portal ???? Web-based ???????????????????????????
  ??????? (gateway) ?????????????????????????
  ??????????????????? ???? IT ??????????????????????
  ????? ????????????????????????????????? (advanced
  search) ???????????????????????? (indexing
  technique) ???? ? Portal ??????????????????

16
Portal ?? 7 ??? ??????

• 1) Commercial (Public) Portal ???????? (Web
  site) ??????????????????????????????????????
  ??????????????????????????????????????????
  ??????????????????????????????????? (interface)
  ???????????????????????????? ????????????
  yahoo.com, lycos.com and msn.com
• 2) Publishing Portal ????????????????????????????
  ?????????????????????????????? ???????????????????
  ??? ?????????????????????????????????????
  ???????????????????????? online ???
  ?????????????????????????????? ????????????
  techweb.com, zdnet.com
• 3) Personal Portal ??????????????????????????????
  ?????????????????????????? ????????? ??????
  narrow content ?????????????????????????????
• 4) Affinity Portal ?????????????? a single point
  of entry ?????????????????????????????
  ?????????????????????????????

17
Portals cont.

• 5) Mobile Portal ???????????????????????????
  mobile device ?????
• 6) Voice Portal ????????????? audio interface
  ????????????????????????????????????? ???? cell
  phone ??????? speech recognition ??? text- to
  speech technologies ???????? ???? AOLbyPhone,
  tellme.com, i3mobile.com
• 7) Corporate Portal ????????????? single point
  of access ????? critical business information
  ??????????????? ???? ????????????
• ??????????? Kaiser Performanente Uses Google to
  Build a Portal, page 127
• ????????????? Portal ????????????????????
  Industrywide Communication Networks (Portals)
  ???? Portal ?????????????????????????????
  (????????????????????????????? ????????????) ????
  chaindrugstore.net ???????????????????????????????
  ?????????????? ?????? ????????????????????????????
  ??? ???????????? ?????????????????? ??????
  ??????? ??????????????????????????? ?

18
A Corporate Portal Framework
19
Factors determining the uses of information
technologies for communication??????????
(Communication)

• ?????????????????????????????????????????(framewor
  k)???????????????? IT communication
  ???????????????????????????????????????????
  ?????????????? ??????????? ???????????????????????
  ???????????????
• Asynchronous Communication ???????????????????????
  ?????????????????? ??????? ????????????????????
  ???? ?????? e-mail
• Synchronous (real- time) Communication
  ??????????????????????????????? ???????
  ??????????????????????????? ????
  ????????????????????

20

• ???????? Web ???? ??????????????????????? 3 ????
  ???
• 1) People-to-people ???? ????? e-mail ??????
• 2) People-to-machine ???? ????? Web
  ????????????????? ? ???? Google search
• 3) People and machine-to-machine ????
  ?????????????????????????????????????????
  ?????????????????????????????????????????
  ?????????????????????????????

21

• ???????????? ? ???????????????????????????????????
  ???????? ???
• 1) Participant ??????????????????????
• 2) Nature of sources and destinations
  ???????????????????????????????? ?????????????
  ????????? ?????????? (sensor) ??? ???? ?
• 3) Media ??????????????????????? ???? ???????
  ????? ??? ????????????????????????????????????????
  ????????????????? (????? ???????? ?????? ??????)
• 4) Place (Location) ??????????????????????????????
  ??? (face-to-face) ??????????????????
• 5) Time ???????? Synchronous ??? Asynchronous
  ?????????????????????

22

• ???????????????????????????????????? ????????????
  ??? 4 ??????
• 1) same time/same place ??????????????????????????
  ????? ?????????????????????????????? ????
  ??????????????????????????????
• 2) same time/different place ?????????????????????
  ???????????????? ?????????????? ??? ????
  ??????????????
• 3) different time/same place ?????????????????????
  ??????????????? ?????????????? ????
  ?????????????????????????????
• 4) different time/different place
  ????????????????????????????????????? ???????????
  ??? ???? ?????? web-board ???????
• ??????????????????????????????????????????????????
  ??????

23
A framework for IT communication
24
4.2 Discovery, Search and Customized Delivery

• ??????????????????????????????????????????????????
  ??????????????? ?????????????? ???
  ??????????????????????????????????????????????????
  ? ???????????? ???? ? ?????? ??????????? ???
  ?????????
• ?????????????????? browsing ??? searching
  ??????????????? ? ????? ????????????????????????
  ????????????????????????? ????????????????
  ????????????????? ?????????????
  ????????????????????????????????????
• The Role of Internet Software Agents
• Software agent ?????????????????????? ?
  ?????????????????????????????? ???
  ??????????????????????????????????????????????????
  ????????????????????? ????????????????????????????
  ???

25
The Role of Internet Software Agents

• ?????????? agent ??????????????? ?
• Search Engines, Directory ??? Various Software
  Agents
• ???????????? ??????????????? Web
  ??????????????????? ? ?? ??????????? Web
  ??????????????????????????????????????????????????
  ? Search engines ??? Directories
  ??????????????????????????????? Web
  ???????????????????
• Search engine ???????????????????????????????????
  ? network resource ???? ? ??????????????
  ???????????????????????????????????????? key word
  ?????????? ??????????????? ? ???????????? ????
  Google ??????? Search engine ??????? index Web
  page ???????????????? page ???? search engine
  ????? index ???????? page ????????? key word
  ????????????????

26

• ??? ? Search engine ???????? 3 ?????????? ??????
• 1) ?????????????????????????????????????? Keyword
• 2) ?????????????? (?????????)????????? ?
  ??????????? ??? ??? ? ??????????????
• 3) ???????????????????????????? ? ????
  ?????????????????????????
• Search engine ????????????????? ???
• 1) ???????? Intelligence agents ????? Index
  ?????? ???? S/W agent, robots ???? botsIndex
  ???????????????????? update ?????? Software Robot
  ????????? ? ??? Softbot
• ???????? (Softbot) Software robots
  ???????????????? ??????????????? ( ???? ?????????
  search engines) ????????????????????????????????
  ?

27
Software Robot will visit your Web site
Search Engine spiders are robots that traverse
your website in order list it on Search Engines.
This report shows a breakdown of which spiders
have visited your site. (Feb 18,04)
http//www.mach5.com/support/analyzer/annotated-re
port/index-files/
28
Two types of search facilities available on the
web

• 2) ???????? ?????????????????????? Directory
  ?????? ?????? Directories ?????? software agent
  ???????????? ?????????????????? Search engine
• Directory ????????????????????????????
  (hierarchically organized collection) ??? link
  ????? web page???? ? ???????????????? manual
  (???? Yahoo, About.com) ?????????????? search
  engine index ????????????????????????????
• 3) ???????????????????????
• ??????????????? IT at Work 4.3 Browsers Compete
  for Business, page 131
• ??????????????? A Close Look 4.2 Web Search
  Leader Google Simplifies Data Sharing

29
Enterprise Search Technology
30
Blog and Weblogging (Blogging)

• Blogs ?????????? Internet journaling ??? personal
  publishing tools
• ???????? Enterprise ??? blogs ??????? ??? support
  collaborative work
• Blog ??????????????? WeBlog (???????????? We Blog
  ???????????? Web Log ?????????????????????????????
  ??????? (Blog)
• ???????????????? Blog ????????????????????????????
  (Personal Journal) ???????????? ?????????????
  blog ??????????????????????????
  ???????????????????????????? ?????????????????????
  ?????? ? ???? ?????????????? ??????????????????
  ?????????? ???????????? ???????
  ???????????????????????????????????????
  ????????????? ??????????????????????????????
  ??????????????????? ? ???????????????
  ??????????????????????????????????????????
  ???????????????? ?????????????????????????????????
  ????????????????? ??????????????? ?
  ?????????????????

31
Blog ??????? Web ??????? ?

• Blog ??????????????????????? Static ?????? Blog
  ?????????????????????? ?????????????????????? ?
  ??????????????????? ??????????????????????????????
  ? ????????????????????????? Blog
  ?????????????????????? ? ?????????????????????????
  ???????????? ????????????????????? Blog
  ???????????????????????? ????????
• 1. ??????????????????????????????????????????
  ??????????????? Interactive ???????
• 2. ???????? Blog ????????????????????????????
  ??????????????????? ?????????????????
• 3. ??????????????? Blog ????????
  ??????????????????????????????????????
  ????????????? Blog ???
• 4. ???????????????? ?????????????????
  ????????????????????????????? Search Engine 5.
  Blog ??????????????????????????????????????
  (Viral Marketing)
• (??????? http//www.keng.com)

32
WIKIS

• Wiki ??? web-based writing environment ???? (a)
  ????? link ???? page ???? ? ?????????? ? (b) ???
  some simple text formats ?????????????????????????
  ??????????????? HTML tag ???? ?
• ???????????? Wiki ???????????????????????
  collaborative writing environment
  ??????????????????????????????? any page at any
  time.
• Wikilog (???? Wikiblog) ????????????????? Wiki
  ???? ??????????????? blog ???????????????? blog
  ???? ??????????????????? ? ????? (?????????????
  ?) ??? ?????????? discussion board ??? Wikilog
  ??? blog ?????????????????????????????????????????
  ????????? ? (a peer) ???????????????? ?? ???????
  ??????????
• ???????????????? Wikis ??? Blogs ?????????????
  Bliki

33
Podcasting

• Podcasting ???? Podcast ??????????????????????????
  ??????????????????????????????????????????????????
  ?????????? feed news
• ?????????????????????????????????? 2004 ?????????
  ??? feed news ???????????????????
  ??????????????????????????????????????? ???????
  computer ???? portable music player (???????????
  ??? mp3 player)
• ????? Podcasting ????? ??????????????????????????
  ????? Broadcasting ??? iPod ??????????????????
  ??????????????????? ??????????????????
  ??????????????? ??????????????? ??? iPod ???
  Apple ??????? ???? Steve Jobs ????????????? ?????
  feature ???????? Broadcasting iPod 
  Podcasting ???????  

34

• ?????????????????????????? ???????????????????????
  ????? Podcasting ?????????????????
  ?????????????????????? iPod ??????? portable
  music player ????? ?????????????????? computer
  ??????????? ?????????????????? ???????? ???????
  ??????? ?? 2004 ???? ???????????????????? POD
  ?????????????????? Personal On-Demand ????
  "????????????????" ??????? ???????????
  Broadcasting ?????????? PODcasting ??????? ????
  Broadcasting ?????????????????? ?????????????????
  ???????? ????? ?????? ?????????? format???????
  ???? type ????????????????? ??????????????????????
  ??? (The public in general) ??????????????????????
  ???????????? ? ???????????????????????????????????
  ?????????? ????????????? ??????????????????
  ??????????????????????????????????????????????????
  ??????????????????? ??????????????????????????????
  ???????????
• http//www.thaicyberpoint.com/ford/blog/id/168/

35
RSS

• RSS ????????
• ???????? RSS ?????????????????????????????????????
  ????????????????????? ?????????????????????
  ??????????????????? ????????????? ????
  ???????????? ???????? ????????????????????????????
  ??????????????????? ?????????????????????? ??????
  ?????????????????????
• RSS ???????? Really Simple Syndication ???
  ??????????????????? ????????????
  ????????????????????????????????? XML
  ?????????????????????? ?????????
  ????????????????????????? ????????????????????????
  ????? Update??????? ??????????????????????????????
  ?
• ???????? RSS RSS ????????????????????????????????
  ????????? ?????????????????????
  ??????????????????????????????????????????????????
  ????? ??????????????????????? ????????????????
  ??? RSS ???????????????????? ?????????????????????
  ???? ????????????????

36

• ?????????? RSS ??? ???????????????????????????????
  ???????????? ?????????????????? ?????????????????
  ??????????????????????????????????????????????????
  ?????????? ??????????????????????????????????????
  ????????????????????????? ?????????? ?????? RSS
  ????????????????????????????????????????????
  ?????????????????????????????????????
  ?????????????????????????????????????
  ???????????????????
• ???????????????????????????????
  RSS?????????????????????????????????????
  ????????????????????????????????????
  ????????????????????????????????

37
XML ??? XBRL

• XML ???????XML ????????????? e X tensible M
  arkup L anguage ??????????????????????????????????
  ???? HTML ??????????????? Meta Data
  ??????????????????????????????????? Markup ???? ?
  ?????????????????? HTML ??????? Markup Language
  ???? XML ??????????????????? SGML (Standard
  Generalized Markup Language) ?????????????????????
  ??????????????????????????????????????????????????
  ?? W3C ???? World Wide Web Consortium
  ??????????????????????????????????????????????????
  ??????????????????????????? ??? XML ????????????
  3 ?????????????????? ??? ???????????? (Data
  document) ??????????????????? (definition
  document ) ??? ????????? (definition language)
• http//www.vcharkarn.com/include/article/showartic
  le.php?aid17792

38

• XBRL (eXtensible Business Reporting Language)
  ??????????????????????????????????????????????????
  ??????????????????????????????????????????????????
  ??????????????????????????????????????????????????
  ??????????????????????????????????????????????????
  ?????????????????????????????????????????
• XBRL ????????????????????????????????????
  (Financial Reporting Standards)
  ???????????????????????? (Accounting Standards)
  ??????????????? XBRL ????????????????????????
  ??????????????????????????????????????????????????
  ?????????????? ???????????????????????????????????
  ?????????????????????????? ???????????????
  ??????????? ??????????????? ??????????????????????
  ?????????????????????????????????????????
• http//www.set.or.th/th/xbrl/about.html

39
4.3 Communication

• CDMA Network
• CDMA (Code Division Multiple Access)
• Code Division Multiple Access (CDMA)
  ??????????????????????????????????????????????????
  ????????????????? ?????????????????????
  '????????' ??????? ???????????????????????????????
  ???????????????????????????? ???????????? 3G
  ??????????????? 3 ????????????????????????????????
  ??????????

40

• GSM (Global System for Mobile Communications
  Services)
• GSM ??????????????????????????????????????????????
  ?????????? ????????????????? (Digital
  Cellular) ????????????????????????????????????????
  ???? Cellular Network ???? Cellular System  ????
  ????????????????????????? ????????????????????????
  ????????????????????????????????? ????? (cell)
  ??????????????????????????????? ???????
  ???????????????? (Analog Cellular)
  ????????????????????? ???? ???????????????????????
  ??????????????????????? ???? International
  Roaming (?????????????? ???????
  ????????????????????? ?????? ?????????????????????
  ??????? ????????????????????????????
  ????????????????????? ?????????????????????)
  ??????? ??????????? Global System for Mobile ????

41

• 3GSM
• 3GSM (Third-generation Global System for Mobile
  Communications Services)
• Cellular gt GSM (CDMA) gt GPRS gt EDGE
  gt W-CDMA
• 1G 2G
  2.5G 2.75G 3G
• ????????? 3G ??????? 3G ???? Third Generation
  ??????????????????????????????? 3
  ??????????????????????? 3 ???? ???????????????????
  ???? ??????????????? ??? ?????????????????????????
  ????? ???? PDA ?????????????? Walkman
  ???????????? ??? ????????????
• 3G ??????????????????????????????????????? 2 ???
  2.5 ????????????????????????????????????? ???
  ????????????????????? ????????????????????????
  ??????????? 3G ????????????????????????????????
  ??? ??????????????????????????????????????????????
  ??????

42

• ????????????????? 3G ?????????????????????????
  2G ??? 3G ???? 3G ??????????????????? ???
  ?????????????????????????????????
  ?????????????????????????????????????????????
  ???????????????????????????? ??????????????????
  ??????????????????????????? ??? ??????????????
  ???? ??????????????, ??????????????????
  ,???-??????????????????????? ,????????????????????
  ????????????????, ?????????????,
  ?????????????????? 

43

• SMS (Short Message Service)
• Point-to-point SMS ??? cell-broadcast SMS
• SIM Card
• ???????? Subscriber Indentity Module
  ?????????????????????????????????????????????
  ??????????????????????????????????????????

44
EDGE Network

• EDGE (Enhanced Data rates for GSM Evolution)
• EDGE - ????????? 'EDGE' ??????????????????????????
  ??????????????????? TDMA (Time Division Multiple
  Access) ???????? 'GSM' ??????? (GSM
  ?????????????? TDMA) ???? TDMA ???????????????????
  ?????????????????????????? ???????????????????????
  ?? ???????????????????????????????????????????????
  ?????????????? ??????????????????????????
  ??????????????????????????????????????????????????
  ????????????????????????? ????????????????????????
  ?? TDMA ?????????? ??????????????????????????????
  ????????????????????????????????????
  ?????????????????????????????? ???????????????????
  ??? ???????????? ???????????????????????????????
  ??????????????????????????????? (????????? TDMA
  ???????????????????????????????? 9.6
  ????????????????????????) ???????? ???????????
  ??????????????????????????????????????????????????
  ????? ???????????? ?????????????????????????????
  ???????????????????????????? GPRS (General Packet
  Radio Service) ???????

45

• TDMA (Time-Division Multiple Access)

46

• ??????????????? GPRS ???????????????????????????
  ??? GPRS ?????????????????????????????????
  ????????? 1 ?????????? ?????????????? 9.6
  ???????????????? ?????????????????????????????????
  ????????? ??????????????? GPRS ???????????????????
  ???????????????????????? 40 ??????????????????????
  ?? ??????????????????????? ??????????????????
  ????? ?????????? ??????????????????????????
  ????????????????????????? ??????????? GPRS
  ??????????????????????????????????????????????????
  ? ??????????? ???????????????????? EDGE ??????
  ????????????????????????????? GPRS
  ????????????????????????????? 2.75 G
  (??????????????????) ?????????????????????????????
  ??????????????????????????????????????????????????
  ?? 2.5G ??? 3G

47

• ?????????? ????????? EDGE ????????????????????????
  ????????? GPRS ?????? 3 ???? ?????????????????????
  ????? 384 ???????????????? ????????????
  ???????????? GPRS ???? EDGE ?????
  ??????????????????????????????????????????????????
  ???? ???????????????????????? TDMA
  ??????????????????????????????????????????????????
  ???????? (Technical Limited) ????????
  ??????????????? ??????????????????? EDGE
  ???????????????? 80-100 ???????????????? (??????
  40 ???????????????? ??????????????? GPRS)

48
(No Transcript)
49

• WI-FI Network
• Wi-Fi (Wireless fidelity)
• ?????????? ?????? ????????????????????????????????
  ??????? ??????????????????????????????????????????
  ??? ????????? Internet ??????????? (????????? ???
  Internet ???????????????????? ????????????????????
  ???????????????????????? Internet ???????)
  ??????????????????????????????????????????????????
  ??? ??????????????? Lan ?????????? Lan card
  ??????????????????????????????????????????????????
  ????? ????????????????????????????????????????????
  ?? ??????????????????????????????? ?????? office
  ?????????????????? ????????????? Lan
  ??????????????????????????? ??????????????????????
  ?

50

• ???????? ???????????????????????? Lan
  ??????????????????????????????????????????????????
  ???? ????????????????????????????????????? ????
  Wireless LAN ???????
• ????????????????? Lan ?????? 802.11
  ???????????????????????????????????????????? ???
  ????????????? ???? Institute of Electrical and
  Electronics Engineering (IEEE) ???????
  ???????????????????????????????????????????  IEEE
  802.11 ????????????????????????????????? 802.11
  ?????? ??????  802.11b  802.11a  802.11g
  ??????????????????????????????????????????????????
  ????????

51
(No Transcript)
52

• Wi-Fi ???????
• Wi-Fi ???????????????? ????????????????? Wireless
  Lan ???????? Network ????????? ???????????????????
  ?????? ????????????? IEEE 802.11
  ??????????????????????????????????????????????????
  ???????????????????????????? ?????????????????????
  ???????????????????????????????? WIFI certified
  ??????????????????????????????????????????????????
  ????????????????????????????? WIFI certified
  ????????????? ????????????????????????????????????
  ?????? Lan ????????????????? ?????????????????????
  ?? ???? Notebook ?????? ???? PDA ??????????? WiFi
  ???? ????????????????? ???????????????????????????
  ????????????????????????????????? Network
  ???????????? ????????????????????????????? 802.11

53

• Bluetooth ????????????????????????????????????????
  ????????????????? 2.4 GHz ????????????????????????
  ???????????????? 30 ????????????????????????
  ????????????????????? Bluetooth
  ??????????????????????????????????????
  ???????????????????????????????????? ???? Palm
  ??? ?????????????? ???? ?????????????? ??? Small
  talk ??????????? Bluetooth ???????????????????????
  ?????? ???????????????????????????????????????????
  ??????? Wi-Fi ??????? ????????????????????????????
  ???? ???? ???????? Hotsync ?????????? Palm ????
  Beam file ???????????????????????????
  ?????????????????????????? ??????????? PC
  ?????????????? Network ?????? Bluetooth ????
  ??????????????????????????? ??????????????????????
  PC ????????????????????????????????
  ??????????????? ????????? ???????? Bluetooth
  ?????????????????????????????? Device ???????????
  ?????????????????????  ?????????? Network
  ????????????????????????????????????????????????
  PAN ( Personal area network )
• ???? IT at Work 4.4 Wi-Fi Mesh Networks, Google
  talk and Interoperability

54

• ???? WiFi ??? Bluetooth ????????????????
• ??????????????????????? ????????? Bluetooth ???
  Wi-Fi ???????????????????????????????? Network
  ?????????????????????????????????????????????????
  ??????????????? Bluetooth ??? Wi-Fi
  ????????????????? ?????? ???????????? Wi-Fi ???
  Bluetooth ??????????????????????????????? 2.4 GHz
  ??? Bluetooth ??? Wi-Fi ??????????????????????????
  ????

55
Mobile and Wireless Infrastructure
WiMax CommunicationNetwork
56
???? Components ????????????.

• Cell (Mobile) Phone ??? Smart Phone
• Cell phone ??? Mobile multimedia tool
• Smart Phone ??? Internet enable phone
  ??????????????? high speed EDGE network ???
  ???????????
• ???????? business focused application ???? word
  processing, expense reporting ???????
• ?? PDA functionality ?????????????????????? PC
  ??? ???? ??? cable, bluetooth, infrared, wireless
  ???????
• ?????? E-mail ??? Instant message
• ???????? VPN

57

• Personal Digital Assistants (PDA)
• ??????????????? A Close Look 4.3 PDA as a
  Business Continuity Tool
• Tablet PCs ?????????????? Pen-based computing
• Instant Message (IM) ??? ICQ
• Converged Devices
• ??????????????? IT at Work 4.5 Mobile TV
  Broadcast to Mobile Devices Became a Reality at
  2006 World Cup page 141

58

• VOIP
• Internet Telephone ???? VoIP (Voice Over Internet
  Protocol)
• ??????????????? A Close Look 4.4 VoIP for
  Competitive Advantage page 143

59

• ???????????????????????????????????????????
  (Internet Protocol) ??????????????????????????????
  ????????????? ????????????????????????
  ??????????? ??????????? ???????????????????
  ????????????????????????????????????????????
  ?????????????????????????? ????????
  ???????????????????? ?????????????????????????????
  ???????????????????????????? ?????????????????????
  ? ???????????????? ???????????????????????????????
  ? ?????????
• ????????????????????????? ????????????????????????
  ????????????? ????????????????????
  ???????????????????????? ???????
  ??????????????????????????????????????????????????
  ????????????????? ???? ???????? ??????????

60

• ?????????????????????
• ??????????????????????????????????????????????????
  ?????? ???????????????????????????????????????????
  ?????????? ???????????? ??????????????????????????
  ??? ???????????????????? ?????????????????????????
  ?? ?????????????????????????????
  ??????????????????????
• ?????????????????????????? ????????????
  VoIP-Voice Over IP ???????????????????????????????
  ???????????????????? ???? ????????????????????????
  ?????????????????????????????????????
  ????????????????????????? ???? ???????????????????
  ? ??????????????? ????????????????????????????????
  ??? ???????????????

61

• ???? VoIP ????????????????????????????????????????
  ?? ????????????????????????????????????????????
  64 ?????????? ?????? ???????????????????? 64 Kbps
  ??? ?????????????? ?????????????????????? 10 Kbps
  ????????????????????????? ?????????????????????
  ????????????????????????????
• ??????????????????????????????????????????????????
  ?????????????????????????????????????????????
  ??????????????????? ??????????????????????????????
  ?? ????????????????????????????????????????????
  ??????????????????????????????????????
• ????????????????????? ????????????????????????????
  ??????????????????????????????????????????
  ??????????????? ??????????????????????????????????
  ???????????

62

• WLAN (Wireless Local Area Network)
• WIMAX
• WiMAX ????????????????????????????????????????????
  ??????????????????????????????????????????????
  ??? WiMAX ?????????????? Worldwide
  Interoperability for Microwave Access
  ??????????????????????????????????????????????????
  ??????????????????????????? IEEE 802.16
  ?????????????????????????? IEEE 802.16a ????
  ?????????????????????????????????? 2004
  ??????????????????????????????????????? ???? IEEE
  (Institute of Electrical and Electronics
  Engineers) ??????????????????? 30 ????
  ????????????????????? 48 ????????
  ??????????????????? WiMAX ????????????????????????
  ?????????????????????????????????????????????????
  3G ?????? 10 ???? ????????????????????????????????
  ??????????????????????????? 75 ????????????????
  (Mbps) ???????????? 3G ??? 30 ???????????

63
4.4 Messaging and Collaboration

• Collaboration ??????? ????????????????????????????
  ?????????????????????? ??? ??????????????
  ??????????????????????????????????????
• Work group ??????? ??????????????????????????????
  ???????? ????????????? ???????????????????????????
  
• Virtual group (team) ??????? ?????????????????????
  ?????????????????????????? ??? ???????????????????
  ????????
• ?????????????????????????????????????????
• 1) Flash mob ????????? ?????????????
  ???????????????? ?????????????????????
  ?????????????????????????? ???????????????????????
  ???????????????? ?????? ???????????
  ????????????????????????????????

64
Collaboration cont

• 2) Smart mobs ????????????????????????????????????
  ????? ???? ?????????????? ???????????????
  ??????????????????????????????????
• Virtual Collaboration
• Virtual collaboration ???? e-collaboration ???
  ?????? digital technologies ????????
  ????????????????????????????????????????? ??????
  ????? ?????? ??? ????? ???????????????????????????
  ???????????????? ? ?????? IT ????? ??????????????
  EC
• Collaborative commerce ??????? ???????????????????
  ?????????????????????? ?

65
Some types and examples of virtual collaboration

• Collaboration Networks ??????? ???????????????????
  ????????????????? ? ??? supply chain
  ???????????????????????????? (????
  ????????????????????????? ???????????? ????
  ??????????????????????????????????????)
• ???????????????
• Information Sharing between Retailers and Their
  Suppliers, page 145
• ???????..
• Reduction of Product development Time, page 146

4.
66
The Nature of Group Work

• Group Decision Processes
• ????????????????????????? ???????????????????
• ?????????????????????????????????????????????????
• ????????????????????????????? ????
  ????????????????????
• ???????????????????????????????? ????
  ??????????????
• ??????????????????????????????????????????????????
  ??????
• ???????????????? ???????? ???? ???????????
  ???????????? ?????????????????
• ???????????????????????????????????????
• ???????????????????? ?????????????????????????????
  ?????????????????????????????

67
(No Transcript)
68
Improving Meeting Processes and Small Group
Dynamic ??????????????? IT at Work 4.6 Virtial
Teams at Sabre, Inc. page 148
69
Collaboration- Enabling tools From Workflow to
Groupware

• 1) Workflow Technologies
• Workflow ??? ?????????????????????????????????????
  ??????????????? ???????? ??????????
  ??????????????? work procedure ?????????????? ?
• Workflow management ??? work flow ????????????
  ????????????????? ? ???????? ???? ????????
  ???????????????????????????????????????? ??????
  ??????????????????? ?????????????????? (?????????
  ? ????? ????????????????????????????????????
  ?????????????????????????????????????????)
• Workflow Systems Business process ???????
  ????????????????????????????????????????
  ?????????????????? ??????????????
  ??????????????????? ? ?????????????????????
  ????????????????

70
??????????? Work flow management process
71

• 2) Groupware
• ??????? ????????????????????????? ? (Software
  products) ?????????????????????
  ??????????????????????????????? ????
  ????????????????????????? ??? ??????????????
  ????????????????????????????? ???????
• ??????????????????????????? ???
  ??????????????????????????????????????? (????????
  ???????????????????????)
• ??????????????????????? internet ??? intranet
  ?????????????????????????????????? ??????
• ????????????????????????????????????????????

72
Groupware cont

• Electronic Meeting Systems ???????????????????????
  ???????????????????? virtual ?????????????????????
  Virtual Meetings ??????? ??????????????????
  ????? ??????????? ????????????????????????????????
  ????
• Electronic Teleconferencing Teleconferencing ???
  ???????????????????????????? ?????????????????????
  ???????????(??????????????????????)???????????????
  ??? ?????????????????????????????? ???????????
  ???? teleconferencing ????????????? ??? ??????
• 1) Video teleconference Virtual meeting
  ?????????????????????????????????? ???
  ??????????????????????????????????
  ?????????????????????????????????????????????
  ???????????? ?

73
Groupware cont

• 2) Data conferencing ??? Virtual meeting
  ?????????? ?????? ??? ???????????????? ??????????
  ?????????????????????????? ???????????????
  ??????????????????????????? ???
  ???????????????????????????????????????
• 3) Web conferencing ??? Video teleconferencing
  ??????????? Internet (?????? ???????????)
• Real-time collaboration (RTC) Tools
  ?????????????????? ?????????????????????
  ???????????????????????????????????????? ???
  ??????????????????????? ? RTC tools ????????????
  synchronous communication ??????????????????????
  ?????????????????? ???????????????????????????????
  ????

74
Groupware cont

• 1) Interactive Whiteboards ??????????? whiteboard
  ??????? ???????? ????? ??? ???????????????????????
  ????????????????????????????????????????????????
  ?????????????????????? ???????????????????????????
  ???????????????????????
• 2) Screen Sharing software ???????????????????????
  ?????????????????????? ??? ???????????????????????
  ??????????????????????????????????????
• 3) Instant video ????????????????? real time chat
  room ??????????????????????? ????????????????????

75
Groupware cont

• Groupware Suites Groupware technology
  ????????????????????????????????? ?????
  ??????????????????? (?????????????????????????????
  ??????) ???? Lotus Notes/ Domino

76
4.5 Social and Ethical Issues

• ??????????????????????????????????????????????
  ??? Social Networking ??? Ethics
• Social Network ???????????????????????????????????
  ????? ???? home page ????????????????? blog
  ???????? ???? ?????? ???? ?????????????? ???
  ?????????????? Web ???? ? ?????????????
• ???????? ??????????????????????????? ?!?
• ??????????????? IT at Work 4.6 Internet 2007
  Life in the Connected World page 152

77
4.6 Managerial Issue

• Organizational Impact
• ??????????????????????????????????????????????????
  ??????????? ??????????????????????????????????????
  ???????mobile ??? ?????????????????????? ????????
  mobile ??? collaboration technology
• Future of Technology support
• 5 ??????????? ?????? PC Laptop notebook PDA
  ???????????????? Connectivity, communication ???
  collaboration
• Extending organizational boundaries
• Extranet ????????????????????????????????? Supply
  chain ????????????????????????????????????????
  ??????? collaborative networking solution ???? ?

78

• Virtual work
• ??????????????????????????????????????????
  real-time ?????????????????????? ????????????
• Single view of the truth
• ??? ? ?????????????????????????????????? ????
  Information Silo

79
??????????? 4

• ????? ..