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Learning about the internet
- Subject: Learning about the internet
- From: brian at aereo.com (Brian Loveland)
- Date: Mon, 3 Nov 2014 17:33:09 -0500
- In-reply-to: <CAP-guGWXSoFQ27mtzd3jSAO+UmGHV=ninMmOvs=sRQtj0PPhrQ@mail.gmail.com>
- References: <[email protected]> <CAP-guGWXSoFQ27mtzd3jSAO+UmGHV=ninMmOvs=sRQtj0PPhrQ@mail.gmail.com>
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 <bill at herrin.us> wrote:
> On Mon, Nov 3, 2014 at 4:15 PM, Paige Thompson <paigeadele at gmail.com>
> 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.atlas.cogentco.com 0.0% 10 155.5 155.8
> > 155.5 156.1 0.0
>
> ^^ There's the largest part part of your answer. IAD and DCA are both
> Northern VA airports; there should be perhaps 4ms of latency between these
> locations.
>
>
> --
> William Herrin ................ herrin at dirtside.com bill at herrin.us
> Owner, Dirtside Systems ......... Web: <http://www.dirtside.com/>
> May I solve your unusual networking challenges?
>