To complicate things more, doesn't it really transmit at about 125 mbs in
both directions at the physical layer... but with the 4/5 encoding you only
end up seeing 100 mbs being transferred in each direction.
----- Original Message -----
From: <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, February 22, 2001 4:52 PM
Subject: Re: Full Duplex
> Yes, you can certainly get more than 100mb total throughput, if you add
the
> two directions together. But you can still only get 100 mb in either
> direction, even if there's no traffic in one direction. It's really a
> matter of semantics. Marketing types like to add both directions together
> and claim that as the bandwidth, because they can claim a higher bandwidth
> that way. But in my opinion it's more useful to say it's 100 mb full
> duplex, and that tends to still be the standard, particularly for serial
> links.
>
> JMcL
> ---------------------- Forwarded by Jenny Mcleod/NSO/CSDA on 23/02/2001
> 08:46 am ---------------------------
>
>
> "AndyD" <[EMAIL PROTECTED]>@groupstudy.com on 22/02/2001 03:01:21 pm
>
> Please respond to "AndyD" <[EMAIL PROTECTED]>
>
> Sent by: [EMAIL PROTECTED]
>
>
>
> To: [EMAIL PROTECTED]
> cc:
>
>
> Subject: Re: Full Duplex
>
>
> So on a full-duplex 100 mb ethernet link you could theoretically get 200
> mbps throughput?? I have had this argument with several people before. I
> thought that 100 mb each direction being possible, if both parties
transmit
> at the same time but in different directions, you still have 200 mb of
> throughput. They all thought I was crazy - said you can't possibly get
> more
> than 100 mbps out of a 100 mb link.
>
> ""Santosh Koshy"" <[EMAIL PROTECTED]> wrote in message
> 970klv$f2n$[EMAIL PROTECTED]">news:970klv$f2n$[EMAIL PROTECTED]...
> > Hi akshay,
> >
> > If its full duplex you will get 2Mbs of transmit bandwith & 2Mbs
> of
> > receive traffic... In a half duplex link you will get a total of 2mbs
for
> > transmit and receive.
> >
> > hope the above helps,
> > Santosh Koshy
> >
> > ""Network Operations"" <[EMAIL PROTECTED]> wrote in message
> > 9706m3$ouv$[EMAIL PROTECTED]">news:9706m3$ouv$[EMAIL PROTECTED]...
> > > The 2Mbps link i had mentioned is a serial link (E1) & not an ethernet
> > link.
> > >
> > > regards
> > > akshay
> > >
> > > --
> > > Network Operations (Mumbai)
> > > Bharti BT Internet Ltd.
> > > Tel:- 91-22-6127242
> > > 91-22-6127179
> > > Email :- [EMAIL PROTECTED]
> > > "dark_baby" <[EMAIL PROTECTED]> wrote in message
> > > 96vudv$dqr$[EMAIL PROTECTED]">news:96vudv$dqr$[EMAIL PROTECTED]...
> > > > Yes. You'll get 2M Transmit & 2M REceive(4M) between A&B with full
> > duplex.
> > > > With half duplex transfer rate is poor, it is about 1M or less.
> > > > You can imply full duplex only with switch, or just host to host
> link.
> > > With
> > > > hub, you can only use half duplex , because each station must detect
> > > > collision before transfer, full duplex doesn't detect
collision(There
> is
> > > no
> > > > collision with full duplex).
> > > >
> > > >
> > > >
> > > > _________________________________
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