Bits and Bytes are units that measures data transfer rate. In the internet world, they are measured under binary form. Prefixes apply to these two units in a similar manner of that of the metric system. So here's a break down.

Bits:

1000 bits = 1 Kilobits

1000 Kilobits = 1 Megabit (or 1000000 bits)

Bytes:

1 byte = 8 bits

1 kilobyte = 1024 bytes = 8192 bits (or 8.192 Kilobits)

1 megabyte = 1024 kilobytes = 8388608 bits (or 8.388608 Megabits)

So with that in mind, let's apply it to our broadband internet services.

Most DSL providers now offer 1500/128

When they meant they offered 1500/128,

that is 1500 Kilobits down and 128 Kilobits up.

That equates to 1.5 Megabits down.

In kilobytes, a 1500 Kilobit line = 183.10546875 kilobytes

Remember that Internet Explorer calculates in bytes.

Applying our general rule of thumb, if you are getting at least 80% or more of your advertised speed then you're doing very well.

80% of 1500 Kilobits = 1200 kilobits

1200 Kilobits = 146.484375 kilobytes

Again, if you are getting roughly 146 kilobytes per second (KB/s) or more then you are doing very well un such a line.

Be aware now that Telco territory is key to what your specific cap will be (This applies only to DSL). Which is the reason why you will find a variety speeds on the AOL Broadband Services.

In SBC/Pacbell territory, customers are generally offered with speeds of 1500/128 or 1500/256

In BellSouth territory, customers are generally offered with speeds of 1500/256

In Verizon Territories, customers are generally offered with 768/128

As of now AOL Cable Services are only offered through Time Warner Cable which offers speed of 2000/384.

For more information about advertised speeds on AOL DSL services, click here. For AOL Cable services, click here.

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by Meteor Dive
last modified: 2003-03-11 06:47:05