Re: NANOG 40 agenda posted

2007-06-04 Thread Colm MacCarthaigh
On Mon, Jun 04, 2007 at 02:53:52AM +, Paul Vixie wrote: ipv6 load balancers exist, one's current load balancer is/may probably not be up to the task. my favourite load balancer is OSPF ECMP, since there are no extra boxes, just the routers and switches and hosts i'd have to have

Re: NANOG 40 agenda posted

2007-06-04 Thread Colm MacCarthaigh
On Mon, Jun 04, 2007 at 07:29:03AM +, Paul Vixie wrote: If you're load-balancing N nodes, and 1 node dies, the distribution hash is re-calced and TCP sessions to all N are terminated simultaneously. i could just say that since i'm serving mostly UDP i don't care about this, but then

Re: Security gain from NAT (was: Re: Cool IPv6 Stuff)

2007-06-04 Thread Colm MacCarthaigh
On Mon, Jun 04, 2007 at 11:47:15AM -0700, Owen DeLong wrote: *No* security gain? No protection against port scans from Bucharest? No protection for a machine that is used in practice only on the local, office LAN? Or to access a single, corporate Web site? Correct. There's nothing you

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

2007-01-07 Thread Colm MacCarthaigh
On Sat, Jan 06, 2007 at 08:46:41PM -0600, Frank Bulk wrote: What does the Venice project see in terms of the number of upstreams required to feed one view, At least 3, but more can participate to improve resilience against partial stream loss. and how much does the size of upstream pipe

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

2007-01-07 Thread Colm MacCarthaigh
On Sun, Jan 07, 2007 at 09:09:27AM -0500, Marshall Eubanks wrote: Using AS proximity is definitely a help for resilience though, same-AS sources and adjacent AS sources are more likely to remain reachable in the event of transit problems, general BGP flaps and so on. Do you actually inject

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

2007-01-07 Thread Colm MacCarthaigh
On Sun, Jan 07, 2007 at 12:35:54PM -0800, Roland Dobbins wrote: On Jan 7, 2007, at 12:28 PM, Roland Dobbins wrote: Colm, a few random questions as they came to mind:[;] Two more questions: Do you plan to offer the Venice Project for mobile devices? If so, which ones? Will

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

2007-01-06 Thread Colm MacCarthaigh
On Sat, Jan 06, 2007 at 03:18:03AM -0500, Robert Boyle wrote: At 01:52 AM 1/6/2007, Thomas Leavitt [EMAIL PROTECTED] wrote: If this application takes off, I have to presume that everyone's baseline network usage metrics can be tossed out the window... That's a strong possibility :-) I'm

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

2007-01-06 Thread Colm MacCarthaigh
On Sat, Jan 06, 2007 at 09:25:27AM -0500, Marshall Eubanks wrote: Note that 220 MB per hour (ugly units) is 489 Kbps, slightly less than our current usage. Oh I should be clear too. We use SI powers of 10, just like for bandwidth, not powers of two like for storage. We quote in Megabytes

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

2007-01-06 Thread Colm MacCarthaigh
On Sat, Jan 06, 2007 at 09:09:19AM -0600, Andrew Odlyzko wrote: 2. The question I don't understand is, why stream? There are other good reasons, but fundamentally; because of live telivision. In these days, when a terabyte disk for consumer PCs is about to be introduced, why bother with

Re: IPv6 news

2005-10-12 Thread Colm MacCarthaigh
On Wed, Oct 12, 2005 at 10:33:42AM -0400, Steven M. Bellovin wrote: Global Crossing says it has deployed native IPv6. Also, TeliaSonera has picked Lucent to help it prepare for IPv6 service. http://www.techweb.com/wire/172300284 The full GC PR is at;

Re: Quick question.

2004-08-01 Thread Colm MacCarthaigh
On Sun, Aug 01, 2004 at 09:44:13AM -0700, Michel Py wrote: In other words, I don't really care if the second processor reduces the MTBF from 200k hours to 60k hours, but I do care if the second processor reduces the time to restore service from 24 hours to 20 minutes (7.5 minutes for SNMP to

Suggestion: identify and thread trouble tickets

2004-06-24 Thread Colm MacCarthaigh
your tickets from those of others, consider making it easy for people to distinguish your tickets from each other. For 1 year now, HEAnet have been issueing tickets with Message-ID's generated by our ticketing system, for example: To: [EMAIL PROTECTED] From: Colm MacCarthaigh [EMAIL PROTECTED

Re: example.com/net/org DNS records

2004-01-05 Thread Colm MacCarthaigh
On Sun, Jan 04, 2004 at 09:13:39PM -0500, Leo Bicknell wrote: I don't think I'm going out on a limb to suggest that names like example.com should be used by _everybody_ in documentation examples, least they pick something that might actually be used in the future. To wit, the point is not