business requirements bandwidth distance security and maintenance cost

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