nanog mailing list archives

Re: Internet diameter?


From: Andy Ringsmuth <andy () andyring com>
Date: Wed, 21 Nov 2018 22:17:28 -0600


On Nov 21, 2018, at 9:32 PM, Ross Tajvar <ross () tajvar io> wrote:

I'd argue that's just content (though admittedly a lot of it). You can't cache, e.g., a SIP trunk, and offices which 
need to connect to each other can't cache one another in a CDN either.

On Wed, Nov 21, 2018, 10:29 PM Aaron1 <aaron1 () gvtc com wrote:
Considering 40% of the “internet” is sitting in my backyard in cdn caching, I’d say the perceived diameter for that 
content is.... 3 or 4 hops.  ;)

...but something tells me that isn’t they response you were seeking... 

... but seriously it is interesting that with local caching that much of the Internet is now sitting local in the 
subscriber’s ISP.

Aaron

On Nov 21, 2018, at 4:55 PM, William Herrin <bill () herrin us> wrote:

Hi folks,

Does anybody have more or less recent data on the average, median and
maximum diameter (ip hop count) of the Internet? My google fu is
failing me: I've only found stuff from the '90s.

Thanks,
Bill Herrin


Obligatory XKCD:

https://xkcd.com/908/


-Andy


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