business requirements bandwidth distance security and maintenance cost
TRANSCRIPT
Business requirementsBusiness requirements
Bandwidth
Distance
Security and maintenance
Cost
LAN connectionsLAN connections
SerialParallel10base2UTPFiber optic
Serial connectionsSerial connections
About 10kbis
Can easily reach 20m
Low security but easy to maintain
Cheap (about $10/machine)
ParallelParallel
About 100kbis
Maximum of 5m
Low security but easy to maintain
Cheap (about $20/machine)
Coaxial EthernetCoaxial Ethernet
100mbps
200m
Medium security, easy to maintain
Cheap (about $50/machine)
UTPUTP
100mbps,1gbps
Uses hubs with good range
Better security and very easy to maintain
Not so cheap ($100/machine + $200 startup)
Optical fiberOptical fiber
Used as a backbone, 1gbps
Excellent security and easy to maintain
Very expensive to set uptranciever, wiring
Internet connectionsInternet connections
ModemISDNADSLMicrowaveSatellite
ModemsModems
33.6/56kbis
Unlimited distance With a telephone jack or cellphone
Cheap to set up ($100 hardware, $200 software, $50/month)
ISDNISDN
128kbis (* n)
Unlimited distance with jack
Expensive to set up (in NZ)$200 hardware, $1000 software, $200/month
ADSLADSL
10mb/sMust be near exchange$500 hardware, $300 software,
$30/month
MicrowaveMicrowave
Up to 500mbis
Line of site
Insecure, hard to maintain
Expensive (about $10k, $200/month)
SatelliteSatellite
Unlimited
Unlimited
Insecure, hard to maintain
Expensive (about $5k, $200/month)
Wireless networkingWireless networking
InfraredRadio
Business reportsBusiness reports
Complexity
Writing style
Content