Re: Long distance links
Bill,
I'm interested for the educational value. If it's short enough, just post it to
this reflector. Otherwise, send it to David Lay to upload it with a separate
link.
Best Regards,
Rich
--
"Bill St. Arnaud" wrote:
> Roy:
>
> Although there is no 802.3 WAN standard we do have GbE switches from vendors
> that have 23 db lasers ( i.e. will drive over 100 km on G.652 fiber). The
> more common alternative is to use Gbe laser transceivers from a number of
> suppliers. These also come with 20-23 db lasers
>
> No co-location space is required except at the node where the customer's
> fiber interconnects to a DWDM channel, currently IP over SONET
>
> Shortly we are issuing an RFP for a "customer empowered network". Please
> send me an e-mail for those who are interested in a draft copy
>
> Bill
>
> Bill St. Arnaud
> Senior Director Network Projects
> CANARIE
> bill.st.arnaud@xxxxxxxxxx
> +1 613 785-0426
>
> > -----Original Message-----
> > From: Roy Bynum [mailto:rabynum@xxxxxxxxxxx]
> > Sent: September 12, 1999 6:06 PM
> > To: Bill.St.Arnaud@xxxxxxxxxx
> > Cc: HSSG
> > Subject: Re: Long distance links
> >
> >
> > Bill,
> >
> > I believe that the "customer empowered networks" you are
> > referring to, are those
> > where the enterprise data customer is leasing the dark fiber from
> > a utility or
> > service provider. Because there isn't a WAN compatible PHY
> > available for GbE,
> > it requires a complete 802.3 data switch to regenerate the signal
> > for long haul
> > systems. It means that the enterprise data customer has to get an
> > agreement from
> > the utility or service provider to provide collocation space for
> > the customer's
> > data switch. It also means that the customer provides his own network
> > management of the fiber facility. Over long distances, that could mean
> > regularly dispatching someone to the various sites to support the
> > collocated
> > non-carrier data switches. While it is technically feasible to
> > do this, over a
> > period of time, this could get very expensive for enterprise data
> > customers.
> > Overall cost of ownership of this type of implementation does not
> > make it very
> > attractive. I do not think that there will be too many enterprise data
> > customers that will be doing this for very long.
> >
> > Thank you,
> > Roy Bynum
> > MCI WorldCom
> >
> > "Bill St. Arnaud" wrote:
> >
> > > Roy, Rich:
> > >
> > > I think this reflects a fundamental misunderstanding between
> > data people and
> > > telco transport people.
> > >
> > > Yes, it is true that 10GbE data switch will not be satisfactory for
> > > regeneration of traditional mission critical traffic on carrier
> > networks.
> > >
> > > However, we believe there is a whole new set of traffic requirements
> > > resulting from "customer empowered networks" where 10GbE data
> > switches will
> > > be more than adequate for regeneration.
> > >
> > > What we are starting to witness in the marketplace is the deployment of
> > > these customer empowered networks. Some next gen carriers,
> > for example do
> > > not deploy SONET rings as a given network requirement. Instead
> > rings and
> > > the type of regeneration are a customer option.
> > >
> > > Bill
> > >
> > > Bill St. Arnaud
> > > Senior Director Network Projects
> > > CANARIE
> > > bill.st.arnaud@xxxxxxxxxx
> > > +1 613 785-0426
> > >
> > > > -----Original Message-----
> > > > From: owner-stds-802-3-hssg@xxxxxxxxxxxxxxxxxx
> > > > [mailto:owner-stds-802-3-hssg@xxxxxxxxxxxxxxxxxx]On Behalf Of
> > Roy Bynum
> > > > Sent: September 11, 1999 3:33 PM
> > > > To: rtaborek@xxxxxxxxxxxxxxxx
> > > > Cc: HSSG
> > > > Subject: Re: Long distance links
> > > >
> > > >
> > > >
> > > > Rich,
> > > >
> > > > I am not writing that 10GbE end systems be managed by
> > SONET/SDH network
> > > > management standards. I wrote that trying to use 10GbE data
> > > > switches as part of
> > > > the transmission service systems would not meet the standards of
> > > > the commercial
> > > > services systems. The suggestion of putting a 10GbE switch in as
> > > > a regenerator
> > > > does not meet the security, operations support, or network management
> > > > requirements that are in place for commercial transmission
> > > > equipment. This is
> > > > something that IP based data people normally do not have to deal
> > > > with. It is
> > > > easy to understand why they would not realize why a 10GbE data
> > > > switch would not
> > > > be used as a commercial service transmission regenerator. I
> > was simply
> > > > attempting to explain to them, with as few words as possible why
> > > > this was so.
> > > >
> > > > Thank you,
> > > > Roy Bynum
> > > > MCI WorldCom
-------------------------------------------------------------
Richard Taborek Sr. Tel: 650 210 8800 x101 or 408 370 9233
Principal Architect Fax: 650 940 1898 or 408 374 3645
Transcendata, Inc. Email: rtaborek@xxxxxxxxxxxxxxxx
1029 Corporation Way http://www.transcendata.com
Palo Alto, CA 94303-4305 Alt email: rtaborek@xxxxxxxxxxxxx