Re: Re(2): [EFM] Network timing?
For some services, "Network Timing" is a requirement that has to be done
right. For other services it does not get in the way, if it is done right.
At 04:15 PM 9/27/01 -0700, Ed Belkeir wrote:
>ADSL/VDSL support network timing (NTR). Cable DOCSIS also supports
>network timing. I am sure there were good reasons for including network
>timing in these standards. So, I am not sure I understand why the objection
>for EFM copper/fiber. I would think for a service provider this should be a
>welcome feature since it will open the door for more services that can be
>deployed over EFM.
>What's problematic about network timing support on EFM copper ?
>----- Original Message -----
>From: Fletcher E Kittredge <fkittred@xxxxxxx>
>To: Beanland Matthew <Matthew.Beanland@xxxxxxxxxxxxxx>
>Sent: Thursday, September 27, 2001 9:13 AM
>Subject: Re: Re(2): [EFM] Network timing? [Etherloop?]
> > On 27 Sep 2001 10:21:00 +1000 "Beanland Matthew" wrote:
> > > I was thinking principally fiber, although I am aware of VDSL systems
> > > perform E1/TI transport. By the reference to the PABX I'm thinking
> > > rather than residential.
> > If you are talking fiber only; then I have no objection. Adding this
> > to the copper standard is problematic.
> > thanks,
> > fletcher