Re: Muni fiber: L1 or L2?

Masataka Ohta writes: > Let's assume 4:1 concentration with PON. Why on earth would we assume that when industry standard is 16 or 32? 16 is a safe number. -r

Re: Muni fiber: L1 or L2?

Jean-Francois Mezei wrote: >> The problem of PON is that, to efficiently share a fiber and >> a splitter, they must be shared by many subscribers, which >> means drop cables are longer than those of SS. > > Pardon my ignorance here, but could you explain why the cables would be > physically diffe

Re: Muni fiber: L1 or L2?

Jason Baugher wrote: > In a greenfield build, cost difference for plant between PON and active > will be negligible for field-based splitters, non-existent for CO-based > splitters. If you choose to have CO-based splitters, you need to have MDF for L1 unbundling, and 1:8 (or 1:4, 1:32 or whatever

Re: Any experience with Grandstream VoIP equipment ?

Guess I should clarify that these are Cable Emta's. Not stand alone. On Feb 8, 2013, at 5:33 PM, "John Levine" wrote: >> I wouldn't use them unless you have a specific reason to. > > That seems to be the consensus. Lucky I didn't pay very much. > > Any ATAs that people acually like? > > --

Re: Any experience with Grandstream VoIP equipment ?

Arris. One failure of 500 deployed so far and call jitter issues disappeared once we switched to the Arris Emta's On Feb 8, 2013, at 5:33 PM, "John Levine" wrote: >> I wouldn't use them unless you have a specific reason to. > > That seems to be the consensus. Lucky I didn't pay very much. >

BGP Update Report

BGP Update Report Interval: 31-Jan-13 -to- 07-Feb-13 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASNUpds % Upds/PfxAS-Name 1 - AS9498 122743 4.0% 114.9 -- BBIL-AP BHARTI Airtel Ltd. 2 - AS24560 92362 3.0%

The Cidr Report

This report has been generated at Fri Feb 8 21:13:12 2013 AEST. The report analyses the BGP Routing Table of AS2.0 router and generates a report on aggregation potential within the table. Check http://www.cidr-report.org for a current version of this report. Recent Table History Date

Re: The 100 Gbit/s problem in your network

On Fri, Feb 8, 2013 at 3:58 PM, Laurent GUERBY wrote: > The "problem" with increasing capacity is that it opens up captive > eyeballs to innovative services from "outside": monopoly operators will > prefer to deal with CDN providers & the like and keep control. there are ways to offer vod/etc wi

Re: The 100 Gbit/s problem in your network

On Fri, 2013-02-08 at 10:50 -0800, joel jaeggli wrote: > On 2/8/13 9:46 AM, fredrik danerklint wrote: > >>> About 40 - 50 Mbit/s. Not bad at all. > >>> > >>> Downloading software does not have to be in real-time, like watching > >>> a movie, does. > >> In both cases it's actually rather convenient

Re: Interesting debugging: Specific packets cause some Intel gigabit ethernet controllers to reset

I just want you to know that this was the best piece of technical debugging I've read in years. Absolutely awesome. Thank you so much for sharing what I can only imagine was an endless series of nightmares. I've done debugging like this before and I can only say: I feel your pain and I wish I d

Re: Interesting debugging: Specific packets cause some Intel gigabit ethernet controllers to reset

Update with a response to the statement from Intel: http://blog.krisk.org/2013/02/packets-of-death-update.html On Wed, Feb 6, 2013 at 3:33 PM, Kristian Kielhofner wrote: > Over the year I've read some interesting (horrifying?) tales of > debugging on NANOG. It seems I finally have my own to con

Re: The 100 Gbit/s problem in your network

How about buy the movies in question, convert them to MP4, install a media server on a local box and configure Xbox, tablet, smart-phone, whatever to access the media server? That is how my 3 year old grandson watches the Bubble Guppies movie umpteen million times during a 4 day stay. Just a tho

Re: The 100 Gbit/s problem in your network

- Original Message - > From: "fredrik danerklint" > > It would do little good; my hit rate on such a cache would be > > unlikely to be high enough to merit the traffic to keep it charged. > > (Children watching a movie only once? Not a chance. It's more like > unlimited number of times a

Re: The 100 Gbit/s problem in your network

"allow my customers as an ISP to cache the content at their home". Do you *mean* "their home" -- an end-user residence? Yes, I do *mean* that. As in you, Jay, should be allowed to run your own cache server in your home (Traffic Server is the one that I'm using in the TLMC concept). Wouldn't y

Re: The 100 Gbit/s problem in your network

- Original Message - > From: "fredrik danerklint" > > "allow my customers as an ISP to cache the content at their home". > > > > Do you *mean* "their home" -- an end-user residence? > > Yes, I do *mean* that. > > As in you, Jay, should be allowed to run your own cache server in your > h

RE: 2-Channel CWDM Add/Drop with SC/APC connectors

I have seen cwdm Add/Drop muxes that fit in a splice case. May fit what you need. Jensen Tyler Sr Engineering Manager Fiberutilities Group, LLC Suite 500, 222 3rd Ave, SE Cedar Rapids, IA 52401 http://www.fiberutilities.com -Original Message- From: Chuck Anderson [mailto:c...@wpi.edu] S

Re: The 100 Gbit/s problem in your network

On 2/8/13 9:46 AM, fredrik danerklint wrote: About 40 - 50 Mbit/s. Not bad at all. Downloading software does not have to be in real-time, like watching a movie, does. In both cases it's actually rather convenient if it's as fast as possible, Yes. What I would like to have is to allow the acce

Weekly Routing Table Report

This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG, TRNOG, CaribNOG and the RIPE Routing Working Group. Daily listings are sent to bgp-st...@lists.ap

Re: The 100 Gbit/s problem in your network

About 40 - 50 Mbit/s. Not bad at all. Downloading software does not have to be in real-time, like watching a movie, does. In both cases it's actually rather convenient if it's as fast as possible, Yes. What I would like to have is to allow the access switch, which a customer for an ISP is con

Re: The 100 Gbit/s problem in your network

On 2/8/13 9:02 AM, Saku Ytti wrote: On (2013-02-08 14:15 +), Aled Morris wrote: "Multicast" I don't see multicast working in Internet scale. Essentially multicast means core is flow-routing. So we'd need some way to decide who gets to send their content as multicast and who are forced to

Re: The 100 Gbit/s problem in your network

How does Akamai or Limelight or any other CDN, allow your customers as an ISP to cache the content at their home, in their own cache server? Again: Akamai. See also Limelight, etc... fredrik danerklint wrote: My understanding is there is no appreciable amount of QHD programming available t

Re: The 100 Gbit/s problem in your network

On 2/8/13 8:23 AM, fredrik danerklint wrote: The media market has fragmented, so unless we're talking about the first week in February in the US it's not all from one source or 3 or 5. Explain further. I did not get that. The superbowl is the first sunday in feb, it pulls a 75 share of the tv

Re: The 100 Gbit/s problem in your network

Again: Akamai. See also Limelight, etc... fredrik danerklint wrote: >> My understanding is there is no appreciable amount of QHD programming >> available to watch anyway, and certainly nothing a) in English b) >that >> isn't sports. > >Why wouldn't you like to solve the problem before it can ha

Re: The 100 Gbit/s problem in your network

My understanding is there is no appreciable amount of QHD programming available to watch anyway, and certainly nothing a) in English b) that isn't sports. Why wouldn't you like to solve the problem before it can happen? (I'm talk about static content here, not live events). -- //fredan

Re: 2-Channel CWDM Add/Drop with SC/APC connectors

On Fri, Feb 08, 2013 at 10:55:34AM +0100, Thilo Bangert wrote: > On Thursday, February 07, 2013 08:04:41 PM Chuck Anderson wrote: > > Is it that much harder to terminate the angled connectors? > > no - its just a different type of pigtail, but adding another splice, will > increase the insertion

Re: The 100 Gbit/s problem in your network

I do have an suggestion for how to solve this. See my message yesterday to the mailing list. Ah, I get it, you are trying to get people to acknowledge the non-existence of your tool that does what every transparent HTTP proxy has been doing for years! ;) Where exactly do you put those transpar

Re: The 100 Gbit/s problem in your network

Can you set something up for the week of the 18th? fredrik danerklint wrote: >> The media market has fragmented, so unless we're talking about the first >> week in February in the US it's not all from one source or 3 or 5. > >Explain further. I did not get that. > >> So far the most common deliv

Re: The 100 Gbit/s problem in your network

On (2013-02-08 14:15 +), Aled Morris wrote: > "Multicast" I don't see multicast working in Internet scale. Essentially multicast means core is flow-routing. So we'd need some way to decide who gets to send their content as multicast and who are forced to send unicast. It could create de-fact

Re: Alcatel-Lucent and France Tel deploy 400G for testing

Le 2013-02-07 15:40, Jay Ashworth a écrit : - Original Message - From: "Adam Vitkovsky" Can't find any statement whether the nifty proclaimed 400G wavelength is indeed a single 100GHz channel or just a bundled supper channel The only hint is the total capacity of a fiber of 17.6 Tbp

Re: The 100 Gbit/s problem in your network

Perhaps the solution is to have a 400Gbit/s problem :-) http://newswire.telecomramblings.com/2013/02/france-telecom-orange-and-alcatel-lucent-deploy-worlds-first-live-400-gbps-per-wavelength-optical-link/

Re: Windstream Issues

We have hosts in their Boston data center, and haven't seen any problems. Jason Faraone wrote: I have circuits in Nashville, Murfreesboro, and Cleveland - All are up and healthy. -Original Message- From: Mike Walter [mailto:mwal...@3z.net] Sent: Friday, February 08, 2013 7:12 AM To: na

Re: The 100 Gbit/s problem in your network

- Original Message - > From: "fredrik danerklint" > > The media market has fragmented, so unless we're talking about the > > first week in February in the US it's not all from one source or 3 or 5. > > Explain further. I did not get that. Joel is saying that the problem you posit: *ever

Re: The 100 Gbit/s problem in your network

On 2013-02-08 17:03 , fredrik danerklint wrote: >> You really think people did not have problems with the 1mbit links they >> had back then? > > Yes, I do. > >> And you really think that we won't have problems with >> Zillion-HD or whatever they will call it in another 20 years? > > I think that

Re: The 100 Gbit/s problem in your network

The media market has fragmented, so unless we're talking about the first week in February in the US it's not all from one source or 3 or 5. Explain further. I did not get that. So far the most common delivery format for quad HD content online rings in at around 20Mb/s so you're not delivering

Re: The 100 Gbit/s problem in your network

On 2/8/13 5:23 AM, fredrik danerklint wrote: - Well, as it turns out, we don't have that kind of a problem. - You don't? - No, we do not have that kind of a problem in our network. We have plenty of bandwidth available to our customers, thank-you-every-much. - Do you have, just to make an

Re: The 100 Gbit/s problem in your network

You really think people did not have problems with the 1mbit links they had back then? Yes, I do. And you really think that we won't have problems with Zillion-HD or whatever they will call it in another 20 years? I think that this is something I'm trying to say, with the creation of this t

Re: The 100 Gbit/s problem in your network

On 2013-02-08 16:13 , fredrik danerklint wrote: > to watch the latest Quad-HD movie "Multicast" >>> -I'm afraid it has to be unicast so that people can pause/resume anytime >>> they need to go... well you know what I mean >> >> Works fine too with multicast, for instance with FuzzyCast: >>

RE: The 100 Gbit/s problem in your network

> Works fine too with multicast, for instance with FuzzyCast: Well yes but you need to make some compromises on behalf of user experience. And 30sec delay is unacceptable. You can use 10 cheaper VOD servers closer to eyeballs making it 1000 customers abusing the particular portion of the local ac

Re: The 100 Gbit/s problem in your network

to watch the latest Quad-HD movie "Multicast" -I'm afraid it has to be unicast so that people can pause/resume anytime they need to go... well you know what I mean Works fine too with multicast, for instance with FuzzyCast: https://marcel.wanda.ch/Fuzzycast/ (I did notice that this was d

Re: Interesting debugging: Specific packets cause some Intel gigabit ethernet controllers to reset

Hi, Yes I had that issue, it was a firmware problem... and a timed one too :( We had a customer with a few Raid5 of 3 drives, once 1 drive go bad he had about 20m before another drive would. And they where bricked btw, you couldn't just upload the new firmware. Wasn't an ha

Re: The 100 Gbit/s problem in your network

On 2013-02-08 15:39 , Adam Vitkovsky wrote: >>> to watch the latest Quad-HD movie >> "Multicast" > -I'm afraid it has to be unicast so that people can pause/resume anytime > they need to go... well you know what I mean Works fine too with multicast, for instance with FuzzyCast: https://marcel.wa

RE: The 100 Gbit/s problem in your network

> > to watch the latest Quad-HD movie >"Multicast" -I'm afraid it has to be unicast so that people can pause/resume anytime they need to go... well you know what I mean adam

Re: Muni fiber: L1 or L2?

Hi, If by FTTH you mean the ADSL2+/VDSL offering they packaged as Fibe (yes the named it that). It is available to resellers... /wave - Alain Hebertaheb...@pubnix.net PubNIX Inc. 50 boul. St-Charles P.O. Box 26770 Beaconsfield, Queb

Re: The 100 Gbit/s problem in your network

A movie is static. The content does not change despite how many times you watch it. "Multicast" Can be useful for live events, like news or sports. I give you that. -- //fredan

RE: Windstream Issues

I have circuits in Nashville, Murfreesboro, and Cleveland - All are up and healthy. -Original Message- From: Mike Walter [mailto:mwal...@3z.net] Sent: Friday, February 08, 2013 7:12 AM To: nanog@nanog.org Subject: Windstream Issues Is everyone having Windstream issues? Our BGP sessions

Re: Any experience with Grandstream VoIP equipment ?

My experience: we called them the princess phones. They were useful for people who wanted really big buttons, and didn't care if the phones worked half the time. I wouldn't use them unless you have a specific reason to. On Fri, Feb 8, 2013 at 7:38 AM, Jay Ashworth wrote: > You should try the v

Re: Windstream Issues

We are also seeing problem with Windstream that's affecting our link in Sanford.They have major outage going on and there is no ETR given. -Thanks, Viral On 8 February 2013 18:41, Mike Walter wrote: > Is everyone having Windstream issues? Our BGP sessions are down and MPLS > network connectivi

Re: Muni fiber: L1 or L2?

On Fri, Feb 8, 2013 at 2:36 AM, Masataka Ohta < mo...@necom830.hpcl.titech.ac.jp> wrote: > Jay Ashworth wrote: > > >> As PON require considerably longer drop cable from a splitters > >> to 4 or 8 subscribers, it can not be cheaper than Ethernet, > >> unless subscriber density is very high. > > > >

Re: The 100 Gbit/s problem in your network

"Multicast" Aled On 8 February 2013 13:42, Jay Ashworth wrote: > "Akamai". > > The actual example is "to watch the Super Bowl". :-) > > fredrik danerklint wrote: > > >- Well, as it turns out, we don't have that kind of a problem. > > > >- You don't? > > > >- No, we do not have that kind of a

Re: Ddos mitigation service

At 11:06 01/02/2013 -0500, Patrick W. Gilmore wrote: On Feb 01, 2013, at 10:02 , "Paul Stewart" wrote: > Akamai (CDN) does scrubbing??? I'm sure there are other things Akamai does in the security sector as well. And now Juniper is p

Re: The 100 Gbit/s problem in your network

"Akamai". The actual example is "to watch the Super Bowl". :-) fredrik danerklint wrote: >- Well, as it turns out, we don't have that kind of a problem. > >- You don't? > >- No, we do not have that kind of a problem in our network. > We have plenty of bandwidth available to our customers, >

Re: Any experience with Grandstream VoIP equipment ?

You should try the voiceops list. Or maybe #natog John Levine wrote: >I'm in the midst of what would be a comedy of errors if it weren't so >annoying. I bought a new Grandstream HT701 VoIP terminal adapter from >a guy on eBay who is apparently an official Grandstream reseller. It >doesn't wor

The 100 Gbit/s problem in your network

- Well, as it turns out, we don't have that kind of a problem. - You don't? - No, we do not have that kind of a problem in our network. We have plenty of bandwidth available to our customers, thank-you-every-much. - Do you have, just to make an example, about 10 000 customers in a specifi

Windstream Issues

Is everyone having Windstream issues? Our BGP sessions are down and MPLS network connectivity as of 2/8 @ 3:56 am EST. -Mike

Re: Muni fiber: L1 or L2?

On 13-02-08 03:36, Masataka Ohta wrote: > The problem of PON is that, to efficiently share a fiber and > a splitter, they must be shared by many subscribers, which > means drop cables are longer than those of SS. Pardon my ignorance here, but could you explain why the cables would be physically d

Re: 2-Channel CWDM Add/Drop with SC/APC connectors

On Thursday, February 07, 2013 08:04:41 PM Chuck Anderson wrote: > Years ago I was able to purchase 2-Channel CWDM Plug-In 1-Wavelength > Optical Add/Drop Multiplexors from Finisar with SC/APC connectors on > them, even though they normally only make the SC/PC version shown > here: > > FWSF-OADM-1

Re: Muni fiber: L1 or L2?

Masataka Ohta wrote: > Assume you have 4000 subscribers and total trunk cable length Correction. Though I wrote 4000, it is a population and the number of subscribers are 1150. > For example, if drop cables of PON are 10m longer in average than > that of SS, it's total length is 40km, which is *

Re: Muni fiber: L1 or L2?

Jay Ashworth wrote: >> As PON require considerably longer drop cable from a splitters >> to 4 or 8 subscribers, it can not be cheaper than Ethernet, >> unless subscriber density is very high. > > Oh, ghod; we're not gonna go here, again, are we? That PON is more expensive than SS is the reality