Re: Risk of Internet collapse grows

2002-11-27 Thread Sean Donelan
On Tue, 26 Nov 2002, Irwin Lazar wrote: Thought this might be worth passing on: http://news.bbc.co.uk/2/hi/technology/2514651.stm http://news.bbc.co.uk/2/hi/technology/2514651.stm Its difficult to tell what the authors have discovered since the paper won't be published for four months. From

Re: Risk of Internet collapse grows

2002-11-27 Thread Sharif Torpis
http://www.sciencedirect.com/science?_ob=ArticleURL_udi=B6V1H-461XHCP -1_user=10_coverDate=02%2F28%2F2003_rdoc=4_fmt=summary_orig=brows e_srch=%23toc%235675%232003%2399978%23346577!_cdi=5675_sort=d_ docanchor=wchp=dGLbVzb-lSzBA_acct=C50221_version=1_urlVersion=

New IPv4 blcok allocated to RIPE NCC

2002-11-27 Thread leo vegoda
Dear Colleagues, The RIPE NCC received the IPv4 address range 82.0.0.0/8 from the IANA in November 2002. We will begin allocating from this range in the near future. You may wish to adjust any filters you have in place accordingly. More information on the IP space administered by the RIPE NCC

Re: Risk of Internet collapse grows

2002-11-27 Thread David R. Dick
Doesn't that argue for a more mesh-like architecture? Thought this might be worth passing on: http://news.bbc.co.uk/2/hi/technology/2514651.stm http://news.bbc.co.uk/2/hi/technology/2514651.stm There is a recent book out called Linked: The New Science of Networks which details the

Re: Risk of Internet collapse grows

2002-11-27 Thread David Diaz
Title: Re: Risk of Internet collapse grows I think this is old news. There was a cover story back in 1996 time frame on Mae_east. We have to ask how likely is this with many of the top backbones doing private peering over local loops, how much damage would occur if an exchange point where hit?

Re: Risk of Internet collapse grows

2002-11-27 Thread variable
On Wed, 27 Nov 2002, David Diaz wrote: I think this is old news. There was a cover story back in 1996 time frame on Mae_east. We have to ask how likely is this with many of the top backbones doing private peering over local loops, how much damage would occur if an exchange point where

Re: Risk of Internet collapse grows

2002-11-27 Thread Stephen J. Wilcox
On Wed, 27 Nov 2002 [EMAIL PROTECTED] wrote: On Wed, 27 Nov 2002, David Diaz wrote: I think this is old news. There was a cover story back in 1996 time frame on Mae_east. We have to ask how likely is this with many of the top backbones doing private peering over local loops, how

Re: Risk of Internet collapse grows

2002-11-27 Thread Andrew Odlyzko
On Wed, 27 Nov 2002, [EMAIL PROTECTED] wrote: On Wed, 27 Nov 2002, David Diaz wrote: I think this is old news. There was a cover story back in 1996 time frame on Mae_east. We have to ask how likely is this with many of the top backbones doing

Re: Risk of Internet collapse grows

2002-11-27 Thread Eliot Lear
Yah, the abstract indicates what most of us already know. Good coverage and redundancy options in urban areas; less so for rural areas. Why should this shock anyone? Imminent death of the 'net is *not predicted ;-) Eliot

Re: Risk of Internet collapse grows

2002-11-27 Thread E.B. Dreger
DRD Date: Wed, 27 Nov 2002 07:46:26 -0500 (EST) DRD From: David R. Dick DRD Doesn't that argue for a more mesh-like architecture? From a resiliency standpoint, yes. Economics, and to a certain indirect sense capacity concerns, favor aggregation over route diversity. N! is not your friend.

Re: Risk of Internet collapse grows

2002-11-27 Thread David Diaz
Exactly my thought. I didnt mention it for fear of rambling. But there are areas of limited redundancy, and those are larger targets. I used to receive interesting messages from rebels in S. America because at the time we were working with some of the larger companies down there by hosting

Spanning tree melt down ?

2002-11-27 Thread Marshall Eubanks
Anyone have any idea what really happened : http://www.boston.com/dailyglobe2/330/science/Got_paper_+.shtml snip It was too late. Somewhere in the web of copper wires and glass fibers that connects the hospital's two campuses and satellite offices, the data was stuck in an endless loop.

Re: Spanning tree melt down ?

2002-11-27 Thread Stephen J. Wilcox
Hmm, well until the comment about STP it sounded like the guy did something stupid on a program/database on a mainframe.. I cant see how STP could do this or require that level of DR. Perhaps its just the scapegoat for the Doc's mistake which he didnt want to admit! STeve On Wed, 27 Nov 2002,

Re: Spanning tree melt down ?

2002-11-27 Thread Joe Abley
On Wednesday, Nov 27, 2002, at 10:25 Canada/Eastern, Stephen J. Wilcox wrote: Hmm, well until the comment about STP it sounded like the guy did something stupid on a program/database on a mainframe.. I cant see how STP could do this or require that level of DR. Perhaps its just the scapegoat

Re: Spanning tree melt down ?

2002-11-27 Thread Stephen J. Wilcox
Sure, which is why Within a few hours, Cisco Systems, the hospital's network provider, was loading thousands of pounds of network equipment onto an airplane in California, bound seems somewhat excessive! :) and The crisis began on a Wednesday afternoon, Nov. 13, and lasted nearly four days

Re: Spanning tree melt down ?

2002-11-27 Thread Eric Gauthier
Anyone have any idea what really happened : http://www.boston.com/dailyglobe2/330/science/Got_paper_+.shtml I know someone who worked on it, but I've avoided asking what really happened so I don't freak out the day the ambulence drives me up to their emergency room :) The other day, I did

Re: Risk of Internet collapse grows

2002-11-27 Thread sgorman1
The full paper is available at: http://whopper.sbs.ohio-state.edu/grads/tgrubesi/survive.pdf password: grubesic It was posted on the www.cybergeography.org website with the password, plus I'm sure Tony would like the feedback.

NANOG27 Call for Presentations

2002-11-27 Thread Susan Harris
* * * * * * * * * * * * * * * * * CALL FOR PRESENTATIONS NANOG 27 GENERAL SESSION TUTORIALS

Spanning tree melt down ?

2002-11-27 Thread Huff, Mark
Cisco wins... As a result of the crash, Beth Israel Deaconess plans to spend $3 million to replace its entire network - creating an entire parallel set of wires and switches, double the capacity the medical center thought it needed. Huff, Mark.vcf Description: Binary data

Re: Spanning tree melt down ?

2002-11-27 Thread alex
Cisco wins... As a result of the crash, Beth Israel Deaconess plans to spend $3 million to replace its entire network - creating an entire parallel set of wires and switches, double the capacity the medical center thought it needed. The question is for how long that parallel network would

Re: Spanning tree melt down ?

2002-11-27 Thread Chris Kilbourn
At 11:10 AM -0500 11/27/02, Eric Gauthier wrote: I don't know which scares me more: that the hospital messed up spanning-tree so badly (which means they likely had it turned off) that it imploded their entire network. Or that it took them 4 days to figure it out. If it's anything like a

Re: Spanning tree melt down ?

2002-11-27 Thread Scott Granados
Oh wow I worked for a company who integrated some fairly large network based imaging systems in there and things were broken then too. Their techs kept cutting fibers and disconnecting nodes and it took days for them to figure out why. - Original Message - From: Huff, Mark [EMAIL

updates to complexity pages

2002-11-27 Thread David Meyer
Many people have asked to to update my complexity pages with a bit of theoretical background to to support some of the material there (in particular, percolation theory). So, as promised, I've updated http://www.maoz.com/~dmm/complexity_and_the_internet

Broken Netmask?

2002-11-27 Thread Palmer, John
We have a /23 (199.5.156/23) and seem to be having a problem with our ISP (Network Access Solutions - NAS) . We do not do our own route advertising - they do it for us and route the block to our connection. The problem is that the second part of the block (199.5.157.0 -

Re: Risk of Internet collapse grows

2002-11-27 Thread Vadim Antonov
On Wed, 27 Nov 2002 [EMAIL PROTECTED] wrote: It depends which exchange point is hit. There are a couple of buildings in London which if hit would have a disasterous affect on UK and European peering. Why hit buildings when removing relatively small number of people will render Internet

Re: Broken Netmask?

2002-11-27 Thread Brian
If they werent there before, it means someone added them, likely the person in charge of bgp rtr config for that as # Brian - Original Message - From: Palmer, John To: [EMAIL PROTECTED] Sent: Wednesday, November 27, 2002 1:06 PM Subject: Broken Netmask?

Re: Risk of Internet collapse grows

2002-11-27 Thread Richard Irving
I thought we agreed, no politics or, =functional= public disruption strategies! :D .Richard. == A historic moment, the very first head of homeland security, makes a patriotic speech at a GOP convention:

[no subject]

2002-11-27 Thread Steve Bellovin
Genuity filed for bankruptcy today as part of a deal to sell nearly all of its assets to Level 3. http://biz.yahoo.com/djus/021127/1744000711_1.html --Steve Bellovin, http://www.research.att.com/~smb (me) http://www.wilyhacker.com (Firewalls book)

Re: Risk of Internet collapse grows

2002-11-27 Thread Sean Donelan
On Wed, 27 Nov 2002 [EMAIL PROTECTED] wrote: The full paper is available at: http://whopper.sbs.ohio-state.edu/grads/tgrubesi/survive.pdf password: grubesic It was posted on the www.cybergeography.org website with the password, plus I'm sure Tony would like the feedback. Was this paper

RE:

2002-11-27 Thread Deepak Jain
I guess that means that L3 is giving up its pure-play protestations... Black(3) Rocket anyone?? ;) DJ -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Steve Bellovin Sent: Wednesday, November 27, 2002 6:25 PM To: [EMAIL PROTECTED] Subject:

Re: Risk of Internet collapse grows

2002-11-27 Thread Mike (meuon) Harrison
Sean: the marketing maps in Boardwatch are meaningful. ROFLMAO!! - I needed a good laugh (I'm the NOC babysitter for this round of Holidays.. looking at a boring 4 days. ) On the semi-productive almost on-topic side: Are there any GOOD maps out there? I don't have a

Re: Spanning tree melt down ?

2002-11-27 Thread Bohdan Tashchuk
Minimal social engineering plus a weak network security infrastructure is a disaster waiting to happen for any major medical facility. You forgot to mention probable political infighting. And maybe inexperienced leadership. My favorite snippet from the article is: Dr. John Halamka,

Re: Spanning tree melt down ?

2002-11-27 Thread Scott Granados
Just a data point here, most hospital networks and it departments are headed by Doctor's. They have to sign off on everything from equipment selection, platform changes everything. Some have a clew but admittedly its no more than a self taught clew of the very basics from having 3 servers at

FYI: South Asia Network Operators Group (SANOG)

2002-11-27 Thread Philip Smith
This is an FYI only... The first meeting of the South Asia Network Operators Group (SANOG) will take place alongside ITConference2003 (http://www.itconference.org.np/) in Kathmandu, Nepal on 23rd-27th January 2003. Its aimed at ISPs and Network Operators in the South Asia region, basically