From: Marvin Greenlee (marvingreenlee@yahoo.com)
Date: Tue May 18 2004 - 17:16:25 GMT-3
The difference is whether you are talking about data
storage or data transfer. With data storage, it is
1024 due to the way the binary data is referenced by
the storage media. With data transfer, it is 1000
because you are counting discrete signal pulses.
Marvin Greenlee, CCIE #12237
Network Learning, Inc.
marvin@ccbootcamp.com
--- Brian McGahan <bmcgahan@internetworkexpert.com>
wrote:
> Willem,
>
> In networking (and computing at large I think)
> 1Kbps is 1000bps,
> not 2^10 (1024) bps as it really should be. This
> also goes for 1000Kbps
> being 1Mbps, and 1000Mbps being 1Gbps, etc. This is
> also true for
> storage if I remember correctly, and 1Gb of storage
> is 1 billion bits,
> not 2^30 bits. It's probably just a marketing
> thing, or if there is
> some real reason I'm sure Howard knows ;)
>
> HTH,
>
> Brian McGahan, CCIE #8593
> bmcgahan@internetworkexpert.com
>
> Internetwork Expert, Inc.
> http://www.InternetworkExpert.com
> Toll Free: 877-224-8987 x 705
> Outside US: 775-826-4344 x 705
>
>
> > -----Original Message-----
> > From: nobody@groupstudy.com
> [mailto:nobody@groupstudy.com] On Behalf
> Of
> > Willem Abrie
> > Sent: Tuesday, May 18, 2004 12:12 PM
> > To: ccielab@groupstudy.com
> > Subject: Bandwidth on CIR, BC, BE, etc.
> >
> > In regards to the bandwidth to be configured in
> the LAB.
> >
> > I've done a couple of the IPExpert Prep Labs, and
> they all seem to
> > indicate that when in any given scenario you have
> to say for instance
> > configure 3 Mb/s CIR, they configure it with CIR =
> 3000 kb/s.
> >
> > My question would be if the bandwidth is 3 Mb/s,
> shouldn't it be 3 *
> > 1024 kb/s, which would give 3072 kb/s instead? Are
> you allowed to use
> > the calculator on the Windows 2000 box you use to
> configure the 8 or 9
> > Routers and Switch to calculate the precise X
> times 1024?, or is it a
> > straight forward X times 1000 to get the Bandwidth
> amount?
> >
> > Regards
> >
> > Willem
> >
> >
>
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