Re: YouTube IP Hijacking

2008-02-24 Thread Will Hargrave
Tomas L. Byrnes wrote: Clearly, they are incensed by youtube content, so what makes anyone think that they would not be trying to engage in a case of Cyber-Jihad? Because this usually doesn't work very well, is very evident, and easily fixed? Even on a sleepy Sunday, it took 3491 about two

Re: Question on the topology of Internet Exchange Points

2008-02-16 Thread Will Hargrave
- and enable small ASes to grow. The converse can also be true - we have a number of members who use the IX fabric as a backup to their PIs with larger peering partners. If you lose a PI carrying a GE of traffic, where does that traffic go? -- Will Hargrave [EMAIL PROTECTED

Re: Somewhat bizarre scenario... (Fiber distance)

2007-12-16 Thread Will Hargrave
I've got a link that is testing out at 29.5db loss @ 1550. Its 107km. Shoot me a few suggestions? http://www.finisar.com/product-113-1_Gigabit_CWDM_GBIC_with_APD_Receiver_(FTR-1619-xx) 30dB. Will do more, we've done ~180km (~36dB) with one of those.

Re: Interesting new dns failures

2007-05-25 Thread Will Hargrave
Joe Provo wrote: An obvious catalyst was commercialization of domains. Which interestingly enough leads us back to the lack of categories and naming morass in which we live. I find it quite humourous that new 'restrictive membership' branches of the tree are now being proposed as a

Re: Directly contacting ISP's (Was: How many others are nullrouting BT?)

2007-05-17 Thread Will Hargrave
Jo Rhett wrote: Oh, yes. Because BCPs are so very good at solving problems. I wanna go live in your happy universe. Because if BCP 38 were attended to more than 40% of my job would be irrelevant, and 12-15% of our traffic load would be reduced. ...one of the only colocation providers who

Re: Colocation facilities in Britain

2007-05-17 Thread Will Hargrave
[EMAIL PROTECTED] wrote: England really needs more data centres to locate well away from London, closer to power generation sources. Perhaps s/England/The UK/ (our Scottish, Welsh and NI countrymen run bits of the internet too ;) ). The real issue is not power. This seems like a

Re: Thoughts on increasing MTUs on the internet

2007-04-12 Thread Will Hargrave
sees people deploying jumbos out there is storage. Selling storage as well as transit over the IX? It could happen :-) -- Will Hargrave [EMAIL PROTECTED] Technical Director LONAP Ltd

Re: Network end users to pull down 2 gigabytes a day, continuously?

2007-01-07 Thread Will Hargrave
[EMAIL PROTECTED] wrote: I have to admit that I have no idea how BT charges ISPs for wholesale ADSL. If there is indeed some kind of metered charging then Internet video will be a big problem for the business model. They vary, it depends on what pricing model has been selected.

Re: Urgent need for bandwidth in Chiswick/London

2006-11-02 Thread Will Hargrave
Mike Lyon wrote: Howdy. Please excuse the semi-offtopic post. My company is looking for bandwidth at the location below before Christmas. So that pretty much rules out your standard leased-line options. Leased line looks to be about 60 days out or so. Does anyone know of any MAN (or anything

Re: Boeing's Connexion announcement

2006-10-19 Thread Will Hargrave
Todd Underwood wrote: nice commentary, rodney. useful. one additional fact is relevant here: at it's peak, boeing connexion employed over 670 people (mike hughes pointed me to the nubmer and i can't find the link). It is an astonishing number, was over 750 at it's peak.

Re: kW Per Rack.

2006-09-14 Thread Will Hargrave
Robert Sherrard wrote: How many of you are currently cooling 7kW+ per cabinet.. are any of you cooling more than 15kW per rack, if so how large is your footprint? Are any of you using water cool racks, by tapping into house water? We are cooling 15KW/rack for high performance computing

h.gtld-servers.net offline...

2006-06-15 Thread Will Hargrave
Unless I am mistaken, h.gtld-servers.net is offline and has been for an hour or two. I can't see the containing prefix, 192.54.112.0/24.

Re: h.gtld-servers.net offline...

2006-06-15 Thread Will Hargrave
Joe Abley wrote: I think you're mistaken about the server being off-line, since I can see it just fine from many places. The RIPE NCC dnsmon tool can also see it from its various probes: http://dnsmon.ripe.net/dns-servmon/server/?server=h.gtld-servers.netshow=SHOW That's old data. This is a

Re: Ebay Verification?

2005-12-28 Thread Will Hargrave
Mehgan Laveck wrote: [Ebay woes] There seem to be some thoughts as to akamai being the possible culprit, specifically as it interacts with Linux. I'm hoping a few of you Linux users out there will give it a shot, telnetting to port 80 on these IPs several times to see if you can get a

Re: Peering VLANs and MAC addresses

2005-11-11 Thread Will Hargrave
Randy Bush wrote: the only stuff that makes me feel at all safe is what mike hughes of linx described, or something even stricter, but i bow to mike's experience. and folk wonder why the grown-ups use pnis for anything important. Isn't this due to the fact their engineering scale is bigger?

Re: London: Mobile networks bear blast calls

2005-07-22 Thread Will Hargrave
Fergie (Paul Ferguson) wrote: http://news.bbc.co.uk/1/hi/technology/4704359.stm Mobile phone networks are bearing the weight of calls once more as news of four blasts across London spreads. It's a shame they're just plain wrong - I was getting consistent call failures on two mobile

Re: Testing procedures for new network implementation?

2004-08-11 Thread Will Hargrave
On Wed, Aug 11, 2004 at 10:20:44AM -0400, Wayne Chow wrote: We are in the process of planning for the upgrade of a 3Com network. The new infrastructure will be comprised of 3Com 4950s with XRN and a dozen stacks of 4400s. What are the best practices of testing the new implementation? Any

Re: Quick question about secondary addresses

2004-08-03 Thread Will Hargrave
On Fri, Jul 30, 2004 at 10:21:06AM -0700, Dan Lockwood wrote: I'm in a debate with a guy over the use of 'ip address x.x.x.x s.s.s.s secondary' on Cisco gear. I seem to remember reading that the use of secondary addresses is a bad idea, but I can't recall the details of why. Process

Re: CWDM or DWDM passive add/drop muxes

2004-07-28 Thread Will Hargrave
On Tue, Jul 27, 2004 at 11:39:18AM -0700, Greg Schwimer wrote: Does anyone have any experience with GBIC-based CWDM and/or DWDM optical add/drop muxes (OADM)? I'm presently looking at the Cisco product lines which combines GBICs with passive multiplexors and am curious as to alternative

Re: Filtering network content (rev.)

2004-05-10 Thread Will Hargrave
On Sun, May 09, 2004 at 07:30:53AM -0700, Eastgard, Tom wrote: Is content filtering something ISPs are looking at or already doing? A few do but generally most implementations I've seen use some form of filtering firewall/proxy with an external database (Watchguard etc). Schools internet is

Re: who offers cheap (personal) 1U colo?

2004-03-14 Thread Will Hargrave
On Sun, Mar 14, 2004 at 01:29:29AM -0500, Andrew Dorsett wrote: This is a topic I get very soap-boxish about. I have too many problems with providers who don't understand the college student market. I can think of one university who requires students to login through a web portal before

Re: Any 1U - 2U Ethernet switches that can handle 4K VLANs?

2004-01-25 Thread Will Hargrave
On Sun, Jan 25, 2004 at 08:13:45PM +0100, [EMAIL PROTECTED] wrote: Does anybody know of 1U - 2U form factor Ethernet switches that can handle 4K VLANs, or at a minimum 2000 VLANs? Note that we're specifically looking for the ability to handle this number of VLANs operating simultaneously,

Re: Any 1U - 2U Ethernet switches that can handle 4K VLANs?

2004-01-25 Thread Will Hargrave
On Sun, Jan 25, 2004 at 09:39:05PM +0100, Mikael Abrahamsson wrote: This is interesting, what problems did you run into? We have an extensive Extreme networks used both for L2 and L3, and apart from the fact that it always cpu routes ICMP, I see no major flaw in the L3 forwarding function

Re: London Power outage

2003-08-29 Thread Will Hargrave
On Thursday 28 August 2003 22:00, Stephen J. Wilcox wrote: I saw it on CNN but it sounds like it wasnt as bad as they wanted to make out.. frmo what I was told none of the major colos which are all in the East lost utility and I dont know about stuff in the South which is where the power was