AOL IM Traffic Statistics

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From: Stephen D. Williams (sdw@lig.net)
Date: Sat Jun 17 2000 - 23:27:54 PDT


According to public AOL statements:

4 Million simultaneous users at peak
1 Billion IMs/day
2 MB/second = 173 GB/day = 20Mb+ avg. traffic, full duplex loading

Extrapolating:

Nearly 12000 IMs/sec, average. My heuristic for public Internet services is
that peak is 4 times average.

That's an average of 250 IMs/person per day!

Somethings out of whack there, but interesting numbers. Maybe they're
including BuddyList updates which are quite numerous and more pervasive.

The bandwidth is much less than I would have thought.

Bulk bandwidth for colocated servers starts at about $1000/Mbit and goes down
with bulk.

Also note that AOL's estimated to handle 20-30% of the world's Email or
Internet Email (it's not clear, must be the latter).

sdw

--
Insta.com - Revolutionary E-Business Communication
sdw@insta.com Stephen D. Williams  Senior Consultant/Architect   http://sdw.st
43392 Wayside Cir,Ashburn,VA 20147-4622 703-724-0118W 703-995-0407Fax  Jan2000


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