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1st Published, Feb. 2005

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"Speed" (Bandwidth) expectation of Ethernet Home Networks using Windows.

The following numbers should be regarded as a general frame of reference, actual "Speed" might vary from one setting to the other and might depend on Hardware quality and OS/Software settings.

The numbers for Wireless Network are relates to default setting when the source and the client are few feet apart.

The number below are derived from measuring real time File Transfer.

Number that are displayed by the Network's information windows usually derive from the info in the network card 's drivers and are Not accurate.

(b=bit, B=Byte, 1Byte = 8bits)

Wired 10Mb/sec. Yields 6-8Mb/sec. (.7 - 1MB/sec.)

Wired 100Mb/sec. Yields 60-80Mb/sec. (7-10MB/sec.)

Wired 1000Mb/sec. See here: Giga and Peer to Peer Small Networks

Wireless 802.11b Yields 4-8Mb/sec. (.5 - 1 MB/sec.)

Wireless 802.11g Yields 16-22 Mb/sec. (2 - 2.8 MB/sec.)

Wireless 802.11g (Super/Booster etc.) Yields 28-38 Mb/sec. (3 - 4 MB/sec.)

Wireless pre 802.11n (MIMO) Yields x2 - x4 than 802.11g at close proximity, more gain might be achieved at distances above 60'.


Internet

The Speed of Consumers Internet connection varies according to ISP's contracts.

The top Cable connection is currently 5-8Mb/sec.  The average DSL 3Mb/sec.

The newer Verizon FIOS can goes up to 20Mb/sec. Special attention to Router's choice is need when it is used with FIOS Internet connetction.

"Quirky" Wired Network that uses 10Mb/sec.  Network cards might affect fast Cable Connection.

802.11b Wireless might slow down good Cable or DSL connection.

Otherwise the "Speeds" of the other commonly used Network standards (as described above) has no positive or Negative affect on your Internet "Speed".


Wired /Wireless Cable DSL Routers.

A Wire only Router is a combo unit of Routing Circuits, and a Switch.

A Wireless Router is a combo unit of Routing circuits, Switch, and Wireless Access Point

Each part of the combo has it own "Speed" Rating and it is not related one to the other.

The Routing circuits are usually 10Mb/sec. or 10/100Mb/sec. As indicated above the average "Speed" of Entry Level Cable Internet is 6Mb/sec. So even 10Mb/sec Routing circuits are well above the average "Speed" of good Internet connection.

Almost all the Switches that are part of the combo are 100Mb/sec.

The "Speed" of the Switch is related only to the "Speed" of the Local Network (LAN) traffic and Not to the Internet Connection.

The Wireless part of the combo would be rated according to one of the Wireless Standard as mentioned above.

Recently we see releases of Giga Wireless Cable/DSL Routers. The Giga (1000Mb/sec.) is related only to the Switch part of the Combo.

The  "Speed" of the Internet Connection or and Internet Downloads has Nothing to do with the Giga capacity.  The Giga capacity of the switch might help to improve the Speed of the LAN for local file transfer etc.


If you have $1000 it is not going to turn into $10,000 when you put it into a bigger Wallet.

Similarly Internet Connection  of 5Mb/sec. it is not going to increase because the switch is 1000Mb/sec. capable.


Related Links:

Optimizing & Measuring the "Speed" of Internet Connection

Wireless Hardware - What Should I get? 

Giga and Peer to Peer Home Networks


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