RE: Learning about the internet

2014-11-03 Thread Dustin Melancon
nanog-boun...@nanog.org] On Behalf Of Brian Loveland Sent: Monday, November 3, 2014 4:33 PM To: William Herrin Cc: nanog@nanog.org Subject: Re: Learning about the internet Isn't this most likely a side effect of MPLS tunneling and the 93ms jump there is actually the trans-atlantic segment? A

Re: Learning about the internet

2014-11-03 Thread Brian Loveland
Isn't this most likely a side effect of MPLS tunneling and the 93ms jump there is actually the trans-atlantic segment? All the european hops following it are very close in latency to hop 11. On Mon, Nov 3, 2014 at 5:14 PM, William Herrin wrote: > On Mon, Nov 3, 2014 at 4:15 PM, Paige Thompson

Re: Learning about the internet

2014-11-03 Thread Dustin Melancon
Hey Paige, That¹s going to be extremely common when traversing transatlantic cable. Hopefully I can help explain. Most of your latency comes from simple speed of light limitations through optical fiber (~35% slower than vacuum) combined with the fact that the fiber must take a somewhat indirect p

Re: Learning about the internet

2014-11-03 Thread William Herrin
On Mon, Nov 3, 2014 at 4:15 PM, Paige Thompson wrote: > I > would be able to find an answer as to why the latency between here in > greece and Los Angeles is roughly ~250ms. > 10.|-- be2171.mpd22.dca01.atlas.cogentco.com 0.0%10 62.6 62.7 > 62.4 63.3 0.0 > 11.|-- be2112.ccr41.iad02.atl

Re: Learning about the internet

2014-11-03 Thread joel jaeggli
looks about right in the neighborhood of 9k miles... from lax or therebouts. Upstream Intf Nexthop Sent LossMinAvg MaxDev cogentx x 10 0.0%194.814 210.255240.989 16.518 comcast x

Learning about the internet

2014-11-03 Thread Paige Thompson
Hi, I was just reading about transatlantic cabling in some hopes that I would be able to find an answer as to why the latency between here in greece and Los Angeles is roughly ~250ms. This seems to be a really common thing, although I'd like to understand why and the articles on transatlantic cabl