>I am trying to gather some information on what IMS is capable of sending
>out. I know there is a number Howie put out there that says IMS Enterprise
>can send about 30million e-mails a day
hmm, 350 msg / second, or 2.9 msec /msg. Hot damn, that�s fast. :)))
Here today�s actual stats from a send-only gateway:
Host/Domain Summary: Message Delivery (top 50)
sent cnt bytes defers avg dly max dly host/domain
-------- ------- ------- ------- ------- -----------
19782 175512k 0 23.0 s 6.8 m aol.com
13188 117271k 3157 31.1 s 21.0 h hotmail.com
9156 81358k 0 15.0 s 6.8 m yahoo.com
1734 15386k 44 51.3 s 1.0 h msn.com
1395 12383k 0 23.3 s 6.8 m cs.com
867 7699k 0 13.6 s 5.0 m home.com
760 6754k 0 1.3 s 1.3 m excite.com
730 6492k 0 2.3 s 3.1 m earthlink.net
728 6465k 0 2.2 s 2.5 m juno.com
563 5001k 1 3.9 s 21.7 m webtv.net
517 4594k 0 2.8 s 1.4 m prodigy.net
436 3871k 160 11.5 m 12.8 h usa.net
380 3380k 0 28.7 s 6.2 m netscape.net
363 3226k 0 3.6 s 2.0 m bellsouth.net
350 3107k 306 1.3 m 13.3 h iwon.com
321 2859k 0 2.8 s 3.8 m worldnet.att.net
314 2783k 0 21.3 s 2.1 m gateway.net
308 2737k 0 27.7 s 1.5 m netzero.net
298 2649k 0 6.6 s 3.8 m mediaone.net
260 2299k 0 1.3 m 11.8 m mail.com
224 1994k 6 6.0 m 47.2 m rediffmail.com
208 1850k 1 13.6 s 30.0 m mindspring.com
201 1786k 0 1.8 s 1.4 m peoplepc.com
174 1544k 0 1.9 s 8.0 s att.net
166 1474k 0 26.7 s 10.8 m email.com
134 1189k 0 1.7 s 10.0 s qwest.net
128 1137k 0 8.6 s 1.4 m pacbell.net
125 1110k 0 6.8 s 2.5 m swbell.net
117 1039k 0 3.8 s 57.0 s zwallet.com
114 1012k 0 3.3 s 1.8 m lycos.com
(Note that MS�s is badly beat by AOL�s by the above. I guess MS doesn�t
have enough resources. :))) I�m guessing MS runs MS OS, and AOL runs *nix )
Back of the envelope, let�s call it 15 sec/msg on avg to send.
One SMTP process can send 86400 secs/day / 15 secs/msg = 5760 msgs/day.
30 million msgs / 5760 msgs = 5200 SMTP processes in one machine. Just Do
It!! :))
Plus that�s at least 30 million DNS queries, giving 3500 queries/sec. I
wouldn�t trust MS DNS with that.
Whatever, that�s the way you calculate this stuff.
Len
http://MenAndMice.com/DNS-training
http://BIND8NT.MEIway.com : ISC BIND 8.2.4 for NT4 & W2K
http://IMGate.MEIway.com : Build free, hi-perf, anti-abuse mail gateways
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