> Forget it with today's technology. All long haul systems use SONET
> framing. But with the 10Gbe standard WAN PHY you can directly connect
> into a SONET transponder and your ethernet will be carried transparently.
The Sycamore systems does GigE long haul.
Best regards,
- kurtis -
> To transfer 1Gb/s across 100ms I need to be prepared to buffer at least
> 25MB of data. According to pricewatch, I can pick up a high density 512MB
Why ?
I am still waiting (after many years) for anyone to explain to me the issue
of buffering. It appears to be completely unneccesary in a rout
Peter,
For basic Internet style routeing you are probably
correct [and possibly even more true for MPLS style
switching/routeing], but these days customers
demand different classes of service and managed data and bandwidth
services over IP. These requires lots of packet hacking and for
that you
On Wed, 10 Apr 2002 15:48:36 +0100
"Peter Galbavy" <[EMAIL PROTECTED]> wrote:
> I am still waiting (after many years) for anyone to explain to me the
> issue of buffering. It appears to be completely unneccesary in a
> router.
OK, what I am missing? Unless I'm misunderstanding your question, t
Hello,
I am trying to find a tool to monitor the availability of our diag modems.
There have been instances where we were in need of gaining console via the
diag number, only to find that it is RNA/oper rec/etc...
Can anyone point me toward a tool for this? I heard a rumor on #nanog that
Veri
I could have sworn that I looked this question up on Nanog's web page a year
ago, but I couldn't find it there.
The cost of the conference goes to a number of things:
1) 14 people on the Merit staff are involved in organizing the conference.
I am sure that some of the monies goes to paying e
On Wed, Apr 10, 2002 at 03:48:36PM +0100, Peter Galbavy wrote:
> > To transfer 1Gb/s across 100ms I need to be prepared to buffer at least
> > 25MB of data. According to pricewatch, I can pick up a high density 512MB
>
> Why ?
>
> I am still waiting (after many years) for anyone to explain to m
On Wed, Apr 10, 2002 at 07:24:33AM +0100, Simon Lockhart wrote:
>
> >We used to pay $150 or so to attend NANOG conferences.
> > Why are we charged $300 now? Where is our $150,000+
> >going?
>
> To be perfectly honest, I'm more than happy with the cost of the NANOG
> conference.
>
> I get pro
At 03:48 PM 4/10/2002 +0100, Peter Galbavy wrote:
>Why ?
>
>I am still waiting (after many years) for anyone to explain to me the issue
>of buffering. It appears to be completely unneccesary in a router.
Well, that's some challenge but I'll have a go :-/
As far as I can tell, the use of bufferi
nor that AboveNet would listen to the space from other providers.
On Tue, 9 Apr 2002, Jeff Aitken wrote:
>
> On Tue, Apr 09, 2002 at 07:45:59PM -0400, Richard A Steenbergen wrote:
> > Once upon a time, AboveNet did not permit anyone to announce their IP
> > space under any condition. I wonder
> Note that the previous example was about end to end systems achieving line
> rate across a continent, nothing about routers was mentioned.
Fair enough - for that I can see the point. Maybe I need to read more though
:)
Peter
Thus spake "Mathew Lodge" <[EMAIL PROTECTED]>
> At 03:48 PM 4/10/2002 +0100, Peter Galbavy wrote:
> >Why ?
> >
> >I am still waiting (after many years) for anyone to explain to me
> >the issue of buffering. It appears to be completely unneccesary
> >in a router.
>
> Well, that's some challenge bu
Thus spake "Peter Galbavy" <[EMAIL PROTECTED]>
> Why ?
>
> I am still waiting (after many years) for anyone to explain to me
> the issue of buffering. It appears to be completely unneccesary in
> a router.
Routers are not non-blocking devices. When an output port is blocked,
packets going to th
On 04/10/02, Richard A Steenbergen <[EMAIL PROTECTED]> wrote:
> So while I agree that it probably doesn't cost more then a few peoples
> time for a few weeks, and the money is probably going to fund other Merit
> activities, I'm not certain that I'd want the prices dropped much lower.
> Unles
> Routers are not non-blocking devices. When an output port is blocked,
> packets going to that port must be either buffered or dropped. While it's
> obviously possible to drop them, like ATM/FR carriers do, ISPs have found
> they have much happier customers when they do a reasonable amount of
Hi
I'm in the process of managing cabling for a large install (500-ish runs)
and a vendor came to me with a story about the creation of ground loops in
running sheilded+gounded cat-5e in large installations.
Does anyone have any experiences they would like to share regarding this?
thanks
chr
on 4/10/02 8:22 AM, Ukyo Kuonji at [EMAIL PROTECTED] wrote:
> Also, you must realize that not everyone gets hit with the $300 charge.
> Hosts and presenters get free admission, and students get a greatly reduced
> fee.
Woah, students get a reduced fee? Where do I sign up? I looked and looked
for
>From Nanog web site:
"Waiving the Registration Fee
The NANOG registration fee is waived for:
Speakers
Employees of the hosting organization who are actively involved in meeting
setup
Full-time students in the local hosting city with current ID. The fee for
all other full-time students is $
> Date: Wed, 10 Apr 2002 17:43:50 + (UTC)
> From: "Christopher K. Neitzert" <[EMAIL PROTECTED]>
> Sender: [EMAIL PROTECTED]
>
> I'm in the process of managing cabling for a large install (500-ish runs)
> and a vendor came to me with a story about the creation of ground loops in
> running she
> We used to pay $150 or so to attend NANOG conferences.
> Why are we charged $300 now? Where is our $150,000+
> going?
>
> Inflation?
That's certainly part of it.
> Are we paying for the salaries and RIPE attendance of
> MERIT employees, and to what tune?
The fees cover salaries or parts
I'm looking for real world experience related to deploying cRTP header
compression on Cisco routers related to VoIP flows. We are trying to
evalute what type of hardware (ie: CPU power since cRTP is CEF switched
since 12.2x IIRC) is required to handle 96/192/384 VoIP calls over a
single circuit
> None of his is specific to Cat-5e installations but is common to ALL
> electrical installations.
This does NOT apply to telco cables run outside, often run on the same poles
parallel to power wires for miles, grounded at many points in a MGN (Multi
Grounded Neutral) environment where, like it
> From: "Barton F Bruce" <[EMAIL PROTECTED]>
> Date: Wed, 10 Apr 2002 16:14:01 -0400
> Sender: [EMAIL PROTECTED]
>
>
> > None of his is specific to Cat-5e installations but is common to ALL
> > electrical installations.
>
> This does NOT apply to telco cables run outside, often run on the same
I was simply pointing out that "ALL electrical installations" seemed a tad
too broad.
> Shielded/screened TP on utility poles? This is an insane thing to
> do. It violates more rules than I want to even start to think about!
> Telco wires are always connected to lightning arrestors at the
> term
> Unless of course, they'd like to give discounts for people who have
> attended many past NANOGs are who are now unemployeed. :)
Unfortunately discounts just aren't feasible - there'd be administrative
problems and questions of fairness to other attendees (and to Merit, since
our per-attendee
> From: "Barton F Bruce" <[EMAIL PROTECTED]>
> Date: Wed, 10 Apr 2002 17:04:50 -0400
> Sender: [EMAIL PROTECTED]
>
>
> I was simply pointing out that "ALL electrical installations" seemed a tad
> too broad.
>
> > Shielded/screened TP on utility poles? This is an insane thing to
> > do. It viol
On Wed, 10 Apr 2002, a half-million replies were made to this thread:
> Date: Wed, 10 Apr 2002 15:03:00 -0700
> From: half of the nanog list <[EMAIL PROTECTED]>
> To: "Christopher K. Neitzert" <[EMAIL PROTECTED]>, [EMAIL PROTECTED]
> Subject: Re: Sheilded Cat-5E Ground Loop - Myth or Reality?
Th
If you use that sand-based media instead of the copper;
you'll avoid LOTS of issues -- ground loops, induced noise,
corrosion resistance, etc...
Fiber Is Your Friend.
--
A host is a host from coast to [EMAIL PROTECTED]
& no one will talk to a host that's close[v].(301) 56-LINUX
Unles
The good news is that the Hotel costs in Richmond Hill are considerably less
than past venues.
And, the exchange rate is currently USD$1 to about CAD$1.60,
And, the beer has more alcohol content.
If your really trying to save money fly to Buffalo on Jet Blue, rent a car,
and drive to Toronto.
I
On Wed, 10 Apr 2002 18:17:01 -0400 (EDT), David Lesher wrote:
>If you use that sand-based media instead of the copper;
>you'll avoid LOTS of issues -- ground loops, induced noise,
>corrosion resistance, etc...
>Fiber Is Your Friend.
You do have to worry about shark attack though.
This cost is well justified. I know I will have no trouble with it. Over
the past few years I have always wanted to attend but due to work and
monetary reasons I have not.
What caught my eye about Randy's email was a few things I pointed out to some
American friends who I asked about att
Well, so far nobody provided a valid explanation for the necessity of
buffering in routers (and any other stochastically multiplexing devices).
The real reason for having buffers is the fact that information about
congestions takes some time to propagate. (In TCP/IP congestion are
detected by s
minor quibble.
on http://www.nanog.org/mtg-0206/index.html, it says:
"Richmond Hill, Ontario, CN"
i suspect it was meant as "Richmond Hill, Ontario, CA".
we used to joke about needing a passport to go that far north of downtown, but
Richmond Hill isn't in China.
8^)
--
[ Jim Mercer
On Wed, 10 Apr 2002, David Schwartz wrote:
> On Wed, 10 Apr 2002 18:17:01 -0400 (EDT), David Lesher wrote:
> >If you use that sand-based media instead of the copper;
> >you'll avoid LOTS of issues -- ground loops, induced noise,
> >corrosion resistance, etc...
> >Fiber Is Your Friend.
> Yo
>On Wed, 10 Apr 2002, Douglas A. Dever wrote:
>
>>
>> Previously, Jim Mercer ([EMAIL PROTECTED]) wrote:
>> >
>> >
>> > minor quibble.
>> >
>> > on http://www.nanog.org/mtg-0206/index.html, it says:
>> > "Richmond Hill, Ontario, CN"
>
>iso-3166 says cn is china, that might further than I'm
At 17:43 10/04/02 +, [EMAIL PROTECTED] wrote:
>I'm in the process of managing cabling for a large install (500-ish runs)
>and a vendor came to me with a story about the creation of ground loops in
>running sheilded+gounded cat-5e in large installations.
> ...
A perspective from the audio/vid
Howard C. Berkowitz said,
>Chinese poutine. The mind reels.
Wrong Province, but not so far off really.
While your eating your imported poutine you can visit the Feng Shui Research
Center around the corner from the Hotel on West Beaver Creek.
-R
>Howard C. Berkowitz said,
>>Chinese poutine. The mind reels.
>
>Wrong Province, but not so far off really.
>
>While your eating your imported poutine you can visit the Feng Shui Research
>Center around the corner from the Hotel on West Beaver Creek.
>
>-R
It's creeping across the nation.
On Wed, Apr 10, 2002 at 04:52:58PM -0400, Douglas A. Dever wrote:
> Previously, Jim Mercer ([EMAIL PROTECTED]) wrote:
> > minor quibble.
> >
> > on http://www.nanog.org/mtg-0206/index.html, it says:
> > "Richmond Hill, Ontario, CN"
> >
> > i suspect it was meant as "Richmond Hill, Ontario, CA".
Hello Thomas
I had some kind of experience doing cRTP over Cisco routers, we use Cisco
7204 & 7206 Routers on the IP Gateways and Cisco's 3600 and 5300 as VoIP
gateways, as well we had a small setup using a Cisco 2611 router on the
termination router.
The trick is change the VoIP payload size o
On Wed, 10 Apr 2002, Christopher K. Neitzert wrote:
> I'm in the process of managing cabling for a large install (500-ish runs)
> and a vendor came to me with a story about the creation of ground loops in
> running sheilded+gounded cat-5e in large installations.
While working at a previous empl
On Wed, 10 Apr 2002, Douglas A. Dever wrote:
>
> Previously, Jim Mercer ([EMAIL PROTECTED]) wrote:
> >
> >
> > minor quibble.
> >
> > on http://www.nanog.org/mtg-0206/index.html, it says:
> > "Richmond Hill, Ontario, CN"
iso-3166 says cn is china, that might further than I'm willing to trav
On Wed, 10 Apr 2002, Jim Mercer wrote:
>
>
> minor quibble.
>
> on http://www.nanog.org/mtg-0206/index.html, it says:
> "Richmond Hill, Ontario, CN"
>
> i suspect it was meant as "Richmond Hill, Ontario, CA".
>
> we used to joke about needing a passport to go that far north of downtown, but
> >
> > we used to joke about needing a passport to go that far north of downtown, but
> > Richmond Hill isn't in China.
>
> But if you like Chinese food, you won't have any problems finding lots
> of it there :-)
>
> K
>
I dunno if this is on topic or not, but...
I was just in Toronto a fe
> > To transfer 1Gb/s across 100ms I need to be prepared to buffer at least
> > 25MB of data. According to pricewatch, I can pick up a high density
512MB
>
> Why ?
>
> I am still waiting (after many years) for anyone to explain to me the
issue
> of buffering. It appears to be completely unnecces
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