October 2013 - NANOG - lists.nanog.org

Fundamental questions of backbone design
by Anurag Bhatia 24 Oct '13

24 Oct '13

Hello everyone I have some fundamental questions about backbone design. Feel free to point me to any discussions/presentation material related to these questions. 1. As I understand it's (sort off) common practice to give highest localpref to customer routes then peering and finally transit. Does this works well or you see issues with people who have 10+ prepends on some peering routes calling you to not send traffic via those circuits? Does it makes sense to put a rule to avoid routes 2-3 AS path away when changing local preference? 2. If I have more peering capacity and relatively less capacity between my own PoPs and I start injecting routes in my IGP then how to prevent change of choking of backbone? Is it standard practice to have more capacity on backbone then peering links? Or I have to inject less routes in IGP - say a few % of total routes? 3. How can I maintain use of routes I am learning from various other networks (transit+peers+customer) across my IGP? Is BGP community tagging good way out? 4. How is iBGP Vs OSPF for IGP? I keep on hearing that OSPF is good & lot more faster in changing routes during a breakdown as compared to slow hold time based iBGP session. Is there's more clear comparison of limitations of both when designing? Appreciate your time & help. Thanks. -- Anurag Bhatia anuragbhatia.com Linkedin <http://in.linkedin.com/in/anuragbhatia21> | Twitter<https://twitter.com/anurag_bhatia> Skype: anuragbhatia.com

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Re: 80 Gbps ?
by jstuxuhu0816 24 Oct '13

24 Oct '13

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Re: Possible DNS issues at Networksolutions aka WORLDNIC.COM?
by Meshier, Brent 23 Oct '13

23 Oct '13

Three DNS providers I trust: http://www.neustar.biz/enterprise/dns-services http://www.verisigninc.com/en_US/products-and-services/network-intelligence… http://www.akamai.com/html/solutions/enhanced_dns.html -----Original Message----- From: Christopher Morrow [mailto:morrowc.lists@gmail.com] Sent: Wednesday, October 23, 2013 8:41 AM To: Ryan Mcdermott Cc: North American Network Operators' Group Subject: Re: Possible DNS issues at Networksolutions aka WORLDNIC.COM? On Tue, Oct 22, 2013 at 1:14 PM, Ryan Mcdermott <blhack(a)gmail.com> wrote: > Recommend alternatives? > --- Please refer to http://www.amherst.com/amherst-email-disclaimer/ for important disclosures regarding this electronic communication.

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MassHack and A chance to teach.
by james jones 23 Oct '13

23 Oct '13

Hey everyone, I am putting on a hackathon on Jan 30 - Feb 1 at the Hynes Convention Center in Boston, MA. The basic idea is you have 48 hours to create something cool and don't suck! We have 3 categories: 1. General Tech and Web Services 2. Cameras and Wearables 3. Healthcare We will be giving an investment prize away to the winners and running them through a 12 week accelerator program to launch their idea into a startup. We are also going to have technology classes. I am looking for people willing to do any sort of programming or networking classes. These will be more of beginner/into classes. If any of you are willing to come and help I can promise good beer, good food and good times. Sorry we can not cover travel or lodging. Also if you know anyone that might want to come and take part give them the discount code: *NANOG* It will give them 50% off their ticket. Check out our website: http://masshack.com Hope to see some of you there. P.S. We are still looking for sponsors and exhibitors :) -James

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Possible DNS issues at Networksolutions aka WORLDNIC.COM?
by Mark Keymer 23 Oct '13

23 Oct '13

Hi, Anyone else seeing resolving issues on WORLDNIC.COM DNS servers? Sincerely, -- Mark Keymer

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ipv6 and geolocation
by Blair Trosper 23 Oct '13

23 Oct '13

Everyone loves IPv6, and it's a fantastic technology. However, I've been pondering a few quirks of v6, including the low priority of PTR, but I have a question I want to throw out there: Do you think IPv6 geolocatoin (GeoIP) will ever be viable? If so, when do you think this will happen? If not, what's the superseding solution? (The W3C location technology fails miserably for me 100% of the time even on IPv4). Two of the "big four" GeoIP providers don't even catalog IPv6, and the other two's IPv6 database is unremarkable and usually only has the country. (Or, in my case, a block that's clearly in the United States is deemed as simply "(somewhere in) Asia".) What I'm getting at is: IPv6 geolocation is presently rather hopeless and useless. Eager to hear thoughts from my fellow network thinkers! - Blair

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Is there anyone from AOL messaging on here?
by Quinn Kuzmich 22 Oct '13

22 Oct '13

Please contact me off-list. We've got a persistent spammer on your network that we can't get shut down through normal channels. Q

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80 Gbps ?
by jamie rishaw 22 Oct '13

22 Oct '13

I'm looking at a site named the "digital attack map" (dot com). There's one attack that lists an attack at some near 80 Gbps inbound. ( Clip Cap at http://screencast.com/t/M59qmJhcWSW ) Some questions. Maybe I've just been lucky... but, A) /Seriously/ ? 80 Gbps ? B) Other than dropping routes / changing DNS and "filtering at the borders" are there controls that operators employ that help mitigate multi-Gbps attacks? I understand if - by the nature of talking about it, 'we' give attackers insight, so I'm willing to entertain private discussions; However, this seems to be a semi appropriate place as a catalyst. I'd be interested in a discussion, a ML, or resources that any people can provide, via this list or off list. -jamie -- jamie rishaw // .com.arpa@j <- reverse it. ish. *"Reality defeats prejudice."* - *Rep. Barney Frank*

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FW: SSIAI Call for Papers 2014 San Diego California April 4-6
by Nutter, Brian 21 Oct '13

21 Oct '13

Listkeeper, Can you help us get the word out? Brian Dr. Brian Nutter, PE Associate Professor Associate Chairman for Undergraduate Studies Department of Electrical and Computer Engineering Texas Tech University MS 3102 (806) 742-3533 From: Nutter, Brian Sent: Monday, October 21, 2013 12:40 PM Subject: SSIAI Call for Papers 2014 San Diego California April 4-6 Colleagues, On behalf of the SSIAI Organizing Committee, I'd like to invite you to join us at IEEE SSIAI 2014. The Southwest Symposium on Image Analysis and Interpretation (SSIAI) is a biennial conference dedicated to all aspects of computational analysis and interpretation of images and video. SSIAI brings together researchers and practitioners in academia, industry, and government to share and discuss the latest advances in this field. SSIAI 2014 will be held at the spectacular Humphreys Half Moon Inn & Suites in San Diego, California, U.S.A. The symposium seeks original contributions reporting novel research directions, results, and applications. Important Dates December 16, 2013: Papers Due February 10, 2014: Acceptance Notification February 24, 2014: Camera-Ready Papers Due April 6-8, 2014: SSIAI 2014 Conference Paper Submission Submit a paper (4 pages max. including figures and references) in double-column IEEE conference format. Submission will be electronic using the PDF format. Accepted full papers will be of the same format with a four-page limit. For further details, please visit www.ssiai.org<http://www.ssiai.org> . Each accepted paper will be published in the conference proceedings, provided at least one author registers in advance at the non-student rate and gives a presentation at the conference. An author's non-student registration may be applied to up to three papers by that author. Topics of Interest (not limited to) Mathematical models and methods Statistical and learning methods Features and invariants Segmentation and grouping Object detection and tracking Activity detection and analysis Image and video indexing and retrieval Biomedical image analysis Neuro-signal processing Biometrics and bioinformatics Biologically inspired computer vision Multiscale and multispectral analysis Remote sensing Compressive sensing and processing Stereoscopic and 3-D analysis Multisensor analysis and processing Color analysis and processing Shape representation and recognition Scene modeling and interpretation Computational photography Human computer interaction Automated inspection Real-time analysis Optimization methods Performance evaluation Computer vision for robotics Image and video quality assessment Computer architectures for image/video processing Brian Dr. Brian Nutter, PE Associate Professor Associate Chairman for Undergraduate Studies Department of Electrical and Computer Engineering Texas Tech University MS 3102 (806) 742-3533

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SORBS email
by Roy 21 Oct '13

21 Oct '13

I sent an email to SORBS some time ago and I received this yesterday Reason: unable to deliver this message after 135 days Got to admit that SORBS email servers aren't timely but they are persistent.

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