Home > Ask the Networking Experts > Wireless networking with Lisa Phifer Questions & Answers > Calculating link speed
Ask The Networking Expert: Questions & Answers
EMAIL THIS

Calculating link speed

EXPERT RESPONSE FROM: Retired expert - Graham Robinson

Pose a Question
Other Networking Categories
Meet all Networking Experts
Become an Expert for this site


Digg This!    StumbleUpon Toolbar StumbleUpon    Bookmark with Delicious Del.icio.us   


>
QUESTION POSED ON: 11 June 2003
How can I calculate/measure the link speed?

>
EXPERT RESPONSE
In determining the link speed there is a general rule that many of us use: Take the speed given to you by the sales or marketing department and divide it by two. Let's take 802.11b for example - The maximum connection rate is 11 Mbps, however some people say its only 5-8, which answer should be believe? Both. The total throughput including frame headers, preambles, frame check sums, synchronization bits, etc. is 11 Mbps however the effective data throughput is somewhere between 5-8 Mbps depending on your environment. The general same rule can be applied for 802.11a and 802.11g.


Digg This!    StumbleUpon Toolbar StumbleUpon    Bookmark with Delicious Del.icio.us   


RELATED CONTENT
Enterprise Wireless
What is the difference between Digital Microwave technology vs. 802.11b?
Using IP-based cameras from different geographical locations
Help adding WAP to an existing network
Diagnose connectivity problems on Cisco products
Can I use wireless AP's for point to multipoint connectivity?
Thesis guide involving wireless and networking
Advice on configuring 802.1X authentication
Configuring a wireless network
Guide to creating a hotspot zone
Diagnosing connection drops

Wireless networking with Lisa Phifer
Problem connecting to virtual private network (VPN) through Linksys router
Why wireless network cards show activity when no one uses the computer
Wireless networking problems combining 802.11n and 802.11g APs cause
How to implement VLAN switches across wireless LAN (WLAN) links
Are there 802.11n wireless network range extenders to boost my signal?
How does WiMAX compare to other wireless broadband services?
How many more users will 802.11n wireless access points support?
Accessing printers on a LAN while connected to a WLAN
How to maintain corporate VPN connection while printing to a private network
How to connect wireless networks for printing capabilities

Wireless Network Implementation
Will mixing 802.11g and n APs in the same network cause conflicts?
How each wireless technology differs: Wi-Fi, WiMax and WLANs
Voice over wireless LAN is on the rise: Prepare your networks
Wireless networking problems combining 802.11n and 802.11g APs cause
Wireless LAN tips from Iraq: Networking Joint Base Balad
Wireless LAN vulnerabilities
Are there 802.11n wireless network range extenders to boost my signal?
Accessing printers on a LAN while connected to a WLAN
Will different wireless card link speeds cause network latency?
Open source authenticator implementation for LANs: How is open1x an 802.1X supplicant?

RELATED GLOSSARY TERMS
Terms from Whatis.com − the technology online dictionary
802.11a  (SearchNetworking.com)
Asynchronous Pulsed Radiated Incident Light  (SearchNetworking.com)
cognitive radio  (SearchNetworking.com)
direct sequence spread spectrum  (SearchNetworking.com)
frequency-hopping spread spectrum  (SearchNetworking.com)
phase-locked loop  (SearchNetworking.com)
radio frequency  (SearchNetworking.com)
wireless mesh network  (SearchNetworking.com)

RELATED RESOURCES
2020software.com, trial software downloads for accounting software, ERP software, CRM software and business software systems
Search Bitpipe.com for the latest white papers and business webcasts
Whatis.com, the online computer dictionary



Search and Browse the Expert Answer Center
Search and browse more than 25,000 question and answer pairs from more than 250 TechTarget industry experts.
Browse our Expert Advice



Expert networking advice and tips for IT professionals
HomeNewsTopicsITKnowledge ExchangeTipsAsk the ExpertsMultimediaWhite PapersNetworking Product Trials
About Us  |  Contact Us  |  For Advertisers  |  For Business Partners  |  Site Index  |  RSS
SEARCH 
TechTarget provides enterprise IT professionals with the information they need to perform their jobs - from developing strategy, to making cost-effective IT purchase decisions and managing their organizations' IT projects - with its network of technology-specific Web sites, events and magazines.

TechTarget Corporate Web Site  |  Media Kits  |  Reprints  |  Site Map




All Rights Reserved, Copyright 2000 - 2008, TechTarget | Read our Privacy Policy
  TechTarget - The IT Media ROI Experts