Channels
- UTP & RJ45
- Coax & Vampires
- FiberOptic
- Wireless
The world of wireless
- pagers
- cell phones
- PCS: pure digital cellphones
- smart phones, Microbrowsers, WML, DoCoMo
- PDAs
- mobile data networks
network topology
- Star. Centralized data and server
- Bus. Low volume only
- Ring. Robust
network geography
- PBX
- LANS
- WANS
- gateway connects Network to Web or dissimilar network
- routers connect LANS or WANS
- peer to peer: no server
- VAN's: Value Added Networks. Outsourcing.
- Packets
- ATM: Fore Systems
- ISDN
- DSL
- Cable Modems
- T1 Lines (28 x 56K). Backhoe Days
- broadband
- converged networks: voice, data, video integrated
- enterprise networking
- internetworking
- open systes p.227
- TCPIP p.227, chart p.228
Other Network Devices
- Email: The Killer App
- Voice Mail
- Fax
- teleconferencing, dataconferencing, videoconferencing
Last and Not Least: EDI: Electronic Data Interchange.p.233
Email with a pre-arranged business format
Problems
- Loss of control p.234
- Org Change
- Co$t$
- Reliability / Downtime
Implementing the Plan, p.237: Go to table 7-6, p. 238.
What kind of wiring already exists?
Chapter 8:
To Do For Next Class, 10/18/00
- Read Chapter 4, SolveIt!, pages 86-97.
- Do Assignment Four, Turn in next week
- Assignment Four: Do Access Case 1, Brennan Abrasives, p. 98 - 100.
Tasks 1-6 only; skip task 7. Use Tutorial, p. 101-108 (acc97) or p. 109- 116 (acc2.0)
- Midterm distributed next week; no database problems on midterm.
- Get Thyselves Into Groups!
