[c-nsp] Bit, byte huh?

[Dracul]

Thanks guys!

On Wed, Jun 11, 2008 at 9:42 AM, Tom Storey <tom at snnap.net> wrote:

> > Hi, I was wondering what unit of bandwidth measurement does Internet
> > Bandwidth Providers usually use?  Megabits or Megabytes?
> > in the usual, cisco router and switches, how do we measure bandwidth? by
> > bit
> > or by byte? It is a bit confusing as 1 byte = 8bits right?
> > I'm afraid some of my calculations might be off when measuring bandwidth
> > in
> > routers and switches. Thanks!
> >
> > regards,
> > chris
>
> Usually bits when it comes to bandwidth, while usage is counted in bytes.
>
> To convert from bits to bytes, divide by 8. To convert from bytes to bits,
> multiply by 8.
>
> A 64kbit circuit supports 8kbyte of throughput.
>
> 2mbyte/sec equals 16mbit/sec.
>
> But those are true conversions. Overheads etc lower actual throughput.
> Dividing/multiplying by 10 usually works to give you a roughly more
> accurate figure.
>
> Hope that helps. :-)
>
>