Instant Messaging Alan Parker Robert Callow Brian Kearney Fortunato Macari Daniel Harrington Chang Gong Wang
Dec 29, 2015
Instant Messaging
Alan Parker Robert CallowBrian Kearney
Fortunato MacariDaniel HarringtonChang Gong Wang
Introduction
• Text only
• America Online Instant Messenger
• Microsoft Network Messenger
• Webcasting
• Wireless
Brief History
• BBS was commonly used
• Early 90’s saw more internet activity
• Instant messaging came on the scene in 96 with ICQ
Instant Messaging
• Clients are used to chat with others
• Maintain Buddy lists
• Change states
• Can be customised
Instant Messaging
• Users require to log in
• Buddy lists stored on server
• Possible to search for users
• Person’s user name is required to chat
Instant Messaging
• Closed source
• Proprietary communication protocols
• Strong competition between major players
Instant Messaging
• Most IM clients are closed source
• Most use proprietary communication protocols
• Strong competition between clients
AOL Instant Messenger
• AIM is America On-line’s IM client
• Currently the largest with 53 million active users • AIM supports encrypted messaging
• Automatically scans files for viruses
• No offline messaging
Yahoo Instant Messenger
• Don’t have to download a client
• Must have a yahoo e-mail account
• Integrates well with other Yahoo services
Microsoft service Network (MSN)
• Need to create a .net passport
• Comes with most windows installations
Text Only
• Forums, BBS, IRC
• Public servers usually organized into rooms each with its own topic
• Public rooms don’t always need authentication
Internet Relay Chat (IRC)
• IRC is open-source, open-protocol
• Uses plain text
• Users needs to have a nickname but not a password
• Administrative power given to certain users
Webcasting
• Broadcasting video or audio over the web either live or delayed
• Uses streaming media technology
• Web casting usually refers to non-interactive streams or live events
• Used extensively in commercial sector for E-learning
Wireless
• Wireless instant messaging is available for hand held devices
• AIM Yahoo Msn have versions for these devices
• A commonly used method of this is SMS
GAIM & Trillian
• GAIM and Trillian allow different IM’s to communicate with each other
• AIM Yahoo and MSN oppose this
• GAIM and Trillian are the IM’s of tomorrow!
GAIM
THANK YOU