nanog mailing list archives

Re: Honest Cogent opinions without rhetoric.


From: "Patrick W. Gilmore" <patrick () ianai net>
Date: Wed, 8 Mar 2006 08:57:53 -0500


On Mar 8, 2006, at 1:56 AM, alex () pilosoft com wrote:

At certain cities, your experience will be worse - Cogent doesn't have
peers with big boys in every city they are at - so you'll have more chance of being backhauled to sfo/iad than if you bought from $bigger- carrier.

It's not just cities, it's entire countries. Try being on a DSL line in France and getting to a Cogent web server in France.


With regard to depeerings: they are a fact of life on the internet - and as a service provider, you should always have multiple transits, for this and other reasons. Yes, you obviously will have more risk of being caught
in a depeering fight if you are buying from $low-price-leader-du-jour,
because these are the ones more likely to be depeered by $big-boys for
being "too-competitive". ;)

De-peering is a fact of life, but Cogent takes something that other people consider a nuisance and turn it into a Real Problem. No other network has been "de-peered" for multiple days multiple times in the last several years. No other network has refused to provide some type of help (e.g. credits) for customers who were affected by the depeering. (Hell, Cogent offered more help to L3's customers than they did to their own - although many people say they did not honor those offers.)

Etc., etc.

Cogent claims they are good for the Internet as a whole because they keep prices down. That might be true for people who are only interested in price. Or for people who are interested in partial transit for cheap (same thing, really). But if you plan to single- home or otherwise _depend_ on Cogent, I would be hesitant.

--
TTFN,
patrick

P.S. To be clear, Cogent has lots of peers and works very well for most destinations most of the time. However, is not necessarily what some people need from their provider.


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