Re: Nomenclature update
JR Rivers wrote:
>
> Except that 100BASE-T4 uses 4 pairs in the same cable, just like 1000BASE-T.
>
> JR
I knew I should have checked this. Sorry about that.
Regards,
Erik.
>
> At 09:03 AM 5/31/00 +0200, Erik van Oosten wrote:
> >
> >Seto,
> >
> >It almost works.
> >
> >The structure of the cable does not matter as much as the
> >number of cables. In 1000BASE-T there is 1 UTP cable (with 4
> >pairs inside, but that won't bother the users). Now we have
> >both serial and WDM over 1 fiber-pair. (Funny how this works
> >differently for fiber.)
> >
> >I like the proposed names but we should adopt them only for
> >the right reasons.
> >
> > Erik.
> >
> >
> >"Seto, Koichiro" wrote:
> >>
> >> [Date: 05/30/2000 From Seto]
> >>
> >> Hello again,
> >>
> >> Here is another theory. Let me see if this works.
> >>
> >> In 100BASE-TX, 1000BASE-SX, 1000BASE-LX and so on, we assume serial as
> >> default. We don't call 100BASE-FX as 100BASE-FX1 or 100BASE-TX as
> >> 100BASE-TX1, even though we call 100BASE-T4 as 100BASE-T4 and 100BASE-T2
> >> as 100BASE-T2. As long as the transmission scheme is serial, we don't
> >> need another letter to distinguish serial as serial.
> >>
> >> According to this theory, we may be able to name 10GBASE-xxx as follow:
> >>
> >> 850nm Serial LAN 10GBASE-SX
> >> 1310nm Serial LAN 10GBASE-LX
> >> 1550nm Serial LAN 10GBASE-EX
> >> 850nm WWDM LAN 10GBASE-SX4
> >> 1310nm WWDM LAN 10GBASE-LX4
> >>
> >> 850nm Serial WAN 10GBASE-SW
> >> 1310nm Serial WAN 10GBASE-LW
> >> 1550nm Serial WAN 10GBASE-EW
> >> 850nm WWDM WAN 10GBASE-SW4
> >> 1310nm WWDM WAN 10GBASE-LW4
> >>
> >> I know there is a flaw in my new theory. According to this theory,
> >> 1000BASE-T should have been called '1000BASE-T4'. ;-)
> >> In any event, I think the naming of an Ethernet standard has been very much
> >> market oriented. Usually, the names come first and the reasons follow.
> >>
> >> Seto
> >
> >--
> >* Erik van Oosten
> >* Lucent Technologies
--
* Erik van Oosten
* Lucent Technologies, ONG, A-ONe, Network Architecture & CPSE
* mailto:evoosten@xxxxxxxxxx * callto:+31 35 687 5227
* http://hzswww.nl.lucent.com/~evoosten/ * room:hz/hd315