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Week 13: Messaging

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Yahoo Messenger Enterprise. Open Systems and Others ... AIM, MSN and Yahoo Messenger are free proprietary protocol systems and are not secure. ... – PowerPoint PPT presentation

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Title: Week 13: Messaging


1
Week 13 Messaging
  • Tara Smith
  • April 8, 2003
  • I385T - KMS

2
What is Instant Messaging (IM)?
  • Instant Messaging is near-synchronous
    computer-based one-on-one communication. (Nardi,
    Whittaker, Bradner p. 80)
  • Instant messaging is an Internet protocol
    (IP)based application that provides convenient
    communication between people using a variety of
    different device types. The most familiar today
    is computer-to-computer instant text messaging,
    but IM also can work with mobile devices, such as
    digital cellular phones, and can incorporate
    voice or video. (International Engineering
    Consortium)
  • Instant messaging is the ability to easily see
    whether a chosen friend or co-worker is connected
    to the Internet and to exchange messages with
    them. IM differs from ordinary e-mail in the
    immediacy of the message exchange, and makes
    continued exchange simpler than sending e-mail
    back and forth. Most IMs are text-only.
    However, some services allow voice messaging and
    file sharing. Usually, IMing is truly "instant."
    Even during peak Internet usage periods, the
    delay is rarely more than a few seconds.
    (Searchwebservices.com)

3
Ideas and Questions
  • Describe your personal IM habits.
  • Has anyone used IM for work?
  • IM as free communication.
  • Collegial, yet user-controlled interactions.
  • What features would you incorporate with a
    Corporate IM system to support KM?

4
Quick Facts and Other Figures
  • In a survey of 102 companies with 1,000
    employees
  • 93 say theyre either using or expect to use IM
    on their networks in the near future.
  • 33 have chosen an IM standard (one or more
    products)
  • 28 block IM traffic
  • (Osterman Research, InternetWeek.com. April
    2, 2003)
  • In a recent report, Instant Messaging for
    Business
  • 200 million people use IM, forecasted at 500
    million users by 2006.
  • 60 of real-time communication will be driven by
    IM technology by 2004.
  • (ZDNet Australia. Instant Messaging for
    Business. February 5, 2003)

5
Presence
  • Presence is the detection of another person
    online, a fundamental process of IM systems.
  • With presence, users indicate their status
    whether theyre available or notThis feature
    reduces phone tag, enables ad hoc meetings to
    occur, and in general facilitates the sort of
    electronic communications that might naturally
    occur in person.
    (Greenfield. Network Magazine. December
    4, 2002)
  • The IETF is working on an IM standard, the
    Instant Messaging and Presence Protocol to
    define protocols and data formats necessary to
    build an internet-scale end-user presence
    awareness, notification and instant messaging
    system. (IMPP Working Group)

6
IM Platforms
  • Consumer Services (usually free)
  • AIM - ICQ - IRC - MSN Yahoo Messenger
  • Trillian
  • Enterprise Services (more secure)
  • Jabber - Exchange Server - Lotus Sametime
  • Yahoo Messenger Enterprise
  • Open Systems and Others
  • Comparison of IM Systems (Source the Yankee
    Group, 2002)

7
Consumer IM
  • ICQ (I seek you) was started in 1996 as a free
    utility that allowed client-to-client
    communication. Bought by AOL in 1998.
  • AIM, MSN and Yahoo Messenger are free proprietary
    protocol systems and are not secure.
  • Trillian allows cross-platform communication and
    logs chats. A for-purchase version has
    additional features.

8
Enterprise IM
  • It took more than 10 years before enterprises
    recognized and effectively addressed problems of
    (e-mail) security, reliability and business
    policy. Enterprises must pay proper attention to
    IM usage now, lest they repeat the painful
    lessons taught by e-mail.
    (Smith. InternetMessagingPlanet.com FAQ)
  • The Gartner Group predicts that 70 of all
    enterprises will employ IM services by 2003, and
    that by 2005, IM will be integrated into 50 of
    the applications that businesses use to directily
    interact with their customers. (Greenfield.
    Network Magazine. December 4, 2002)
  • Most of the products available now, or coming
    soon, provide the strong user namespace
    management, directory integration, end-to-end
    message encryption, and auditing and reporting
    capabilities currently lacking in most public IM
    systems. (Chu.
    eWeek.com. December 16, 2002)

9
Interaction and Outeraction
  • IM supports informal, interactive communication
    tasks. These tasks are essential to
    collaborative work since they support joint
    problem solving, coordination, social bonding,
    and social learning. (Nardi, Whittaker, Bradner
    p. 79)
  • IM also supports outeraction, a set of
    communicative processes outside of information
    exchange, in which people reach out to others in
    patently social ways to enable information
    exchange. (Nardi, Whittaker, Bradner p. 79)

10
IM for Communication and Interaction
  • Primary Uses
  • Quick questions and clarifications
  • Coordination and scheduling
  • Arranging impromptu social meetings
  • Keeping in touch with friends and family
  • IM is successful because it is
  • - Immediate - Flexible - Expressive

11
Outeractive Functions of IM
  • IM supports the non-interactive aspects of
  • communication through
  • Ease of Screening (presence),
  • Delayed Responding, and
  • Plausible Deniability.
  • These functions give users more control
  • over interactions than other communication
  • mediums.

12
Internet Relay Chat
  • Internet Relay Chat (IRC) is a major real-time
    textual group-messaging system. (Van Dyke,
    Lieberman, Maes p. 39)
  • IRC conversations take place in channels (chat
    rooms) where all messages are public users
    explicitly join conversations and identification
    is arbitrary.
  • Finding an interesting conversation takes
    considerable manual searching.

13
Butterfly for IRC
  • Butterfly is a software agent that samples the
    content of all the IRC channels, and makes
    recommendations using a keyword-based model of
    interest. (Van Dyke, Lieberman, Maes
    p. 39)
  • Allows users to designate interest in a topic at
    three levels normal, great, and negative.

14
Conversational Technology
  • Conversational functionality is now being added
    to a variety of web-based activities.
  • 3 types of instant communication
  • Peer-to-Peer
  • Application-to-Application
  • Peer-to-Application
  • (A-A and P-A support agent functions)

15
Conversational Technology Jabber
  • Jabber supports all three types of instant
    communication in real-time and asynchronously.
    Jabber is also a cross-platform application.
  • Jabber is XML based, allowing for a fully
    distributed but private namespace, and
    single-point conversation management.
  • To the traditional identification elements of
    user_at_server, Jabber adds /resource to provide
    access to data.
  • Presence is more than just on/offline. Jabber
    includes location, applications in use, and other
    contextual details.

16
Welcome to the IM Gold Rush
  • One of the key draws of secure IM for companies
    is that it will allow them to use the medium for
    more complex transactions than mere gossiping.
    (Glasner. Wired News. September 11, 2002)
  • IM tools marketed to businesses feature
  • behind-the-firewall security
  • encryption
  • greater company-level control
  • log archiving

17
Security Issues
  • While many consumer instant messaging
    products promise real-time connectivity, these
    third-party peer-to-peer Web Chat applications
    can pose real threats to the focus, integrity,
    and security of your business communications.
    (2Way Corporation,
    InstantMessagingPlanet.com)

18
Internet Trends
  • The trend for enterprise instant messaging is
  • splitting in three directions
  • Consumer-based public IM solutions AOL (57
    share) MSN (37), Yahoo (31), and ICQ (20).
  • Closed, proprietary IM solutions Lotus Sametime
    or Communicators Hub IM System (financial
    services)
  • Open solutions IMlogic or IM-Age. These permit
    the use of public IM networks, but allow the
    enterprise to control the messaging software.
  • (The Yankee Group. Instant Messaging in the
    Enterprise. August 12, 2002)

19
What to look for in an IM package
  • Client Platform Support
  • Server Platform Support
  • Directory Support
  • Interoperability with Public IM systems
  • Server based Logging
  • (ZDNet Australia. Instant Messaging for
    Business. February 5, 2003)

20
IM News
  • ActiveBuddys HR Agent
  • IM-Ages IM Policy Manager
  • Microsoft Sharepoint for Office 2003 and
    Greenwich
  • InstantMessagingPlanet.com
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