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A Network Router Is A Small Device That Allows You To Build A Computer Network. It Connects Computers Together So That They Can Talk To One Another. This Allows You To Share Files, Printers, And Internet Connections. This Site Is A Free Information Resource That Will Answer All Your Questions About Wireless Network Routers And Wireless Networking. As
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Everything You Must Know About Wireless Network Routers, Computer Networking, Computer Networking Hardware, Wireless Networking, Internet Routers, And Cisco Routers.
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Some DSL Broadband definitions
Author: Steve
Some DSL Broadband definitions,
Often too many people get confused with all the definitions, here we have explained in easy to understand terms.
ADSL:
Asymmetric Digital Subscriber Line - asymmetric meaning it's faster downstream than upstream.
ASAM:
Advanced Services Access Manager -Whether you have a DSLAM or ASAM in your exchange doesn't really matter. They do the same thing. See DSLAM's as well.
ATM:
Asynchronous Transfer Mode - a method of encapsulation which is capable of many virtual circuits. With these, providers (ISP's) can split an ATM connection (155Mbit or 622Mbit) up into many connections. ATM isn't just used for DSL but in the case of DSL it's used to provision each customer.
Contention Ratios
A contention ratio is the number of users to xMbit of bandwidth. For example some providers offer 2Mbit DSL, with a ratio of 50:1, meaning 50 users to 1Mbit of bandwidth.
CPE
Customer Premises Equipment, the term that describes the equipment used on the customer end of a connection, for example your DSL modem/router, cable modem, black box on Wired Country etc.
DSL
Digital Subscriber Line.
DSLAM
Digital Subscriber Line Access Multiplexer - They are placed in DSL enabled Telecomm exchanges, when your modem syncs up and the DSL light comes on, it means you are connected. When data travels down your connection, it goes from the CPE -> DSLAM -> RAN -> ISP
ERX
Edge Routing Exchange. See RAN.
IPNet
Telecommunications backhaul networks for carrying traffic from the customer to the ISP, i.e. carrying traffic from RAN's to ISP's.
Ping or Latency
A ping measures the time in milliseconds that it takes for a packet to travel from your computer to a remote computer and back to you again. Just because you can't ping a given host, quite a lot of providers are beginning to filter ICMP (pings come under this protocol) traffic because it is commonly used to attack hosts and wastes a lot of bandwidth.
Many providers also give low priority to ping (ICMP) traffic which may mean your ping at a command line isn't very good, but in say a game, things may be fine.
RAN
Regional Access Node These aggregates many DSLAM's connections and then feed the data to an ISP
RTT
Round Trip Time - the time it takes in milliseconds for a packet to go from A to B and back again. See ping.
SDSL
Symmetrical Digital Subscriber Line - symmetrical meaning the same speed up and down.
Units
There is a major difference between UPPER and lowercase
MB = MegaBytes
Mb = Megabits
kB = KiloBytes
kb = Kilobits
MB/s = MegaBytes per second
Mb/s = Megabits per second
kB/s = KiloBytes per second
kb/s = Kilobits per second
There is 8bits to a Byte, 8kb = 1kB
1Meg connections only transfer at 128kB/sec.
or an 8Mb connection only transfers at 1024kB/sec or 1MB/s
About the Author
Steve
© Private Mail Services
http://www.private-services.com 2005- Keeping you anonymous
Article Keywords:
Routers |
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Win-Spy Monitoring Software
Monitor Your Home PC Or Any PC Within Your Wireless Network. Monitor A Cheating Spouse. Records Any Password. Monitor Any Email. Monitor Via Webcam And Mic.
|
Computer Repair Home Study Course
Learn How to Repair Your Computer Today! - Save money on costly repairs and even start your own business. Join thousands of others who learned new skills, jump started their careers, made extra money, and started their biz with this Computer Repair Course!
|
Overclocking Your Cpu to the Extreme
Who Else Wants To Turn There PC Into A Extreme Gaming Rig Without Spending A Single Cent On Hardware? Discover how to unleash over 900% of CPU performance from your PC in a just a few easy steps, then watch in awe as your game's frame-rates double overnight!
|
PC Secrets
How to make your computer boot up in mere seconds. Exactly how you can Instantly end any threat of Spyware, Trojans and Viruses destroying your computer from the inside out – for good! Secret Insider settings that with just a few clicks will speed up your computer MULTIPLE TIMES. Instantly And Easily Optimize and Speed Up Slow, Crashing, Freezing Computers Even if You Completely Suck at Computers! Fix For All PC Issues.
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A Quick Note
From The Publisher...
If you like the article above, you may be
interested in the following article which is also related to Routers...
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Basics Of A Router |
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Router is a computer device that receives or forwards data packets to and from the Internet towards a destination in the process called routing. Router is the essential component of the computer networking that enables any sent data to arrive at the right destination.
As an illustration, imagine that the Internet is the world and one computer is one household. Other computers connected through the Internet are households around the world. Say one household will send a letter to another household in any part of the world. The letter has an address right? And that address would determine the destination of the letter. But without one reading the address, the letter would not arrive to the right receiver. The letter also would not be able to reach the intended receiver if there is not medium. This medium would be the courier. And the courier of the computer data is the router.
A router (broadband router) is also a device that enables two or more computer to receive data packets... |
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