Hi,
Does anyone have any /recent/ information on the breakdown of packet sizes
crossing the net right now? I have seen some of the older data, but am
interested in whether or not the percentages are changing over time, and if
so, how. I.e. I could see people moving from interactive services such as
telnet for reading mail and news to going to a client based system would up
the packet sizes. Likewise, the use of some of the streaming video and
audio applications out there might lower it again. In my mind, recent is
anything that has been done in the last 6 months or so.
i can't give you historical data but here's current netflow data
from our mae-west (san jose, not nasa/ames) and mae-east peer routers:
peer1.sjc1#sh ip ca fl
IP packet size distribution (9577M total packets):
1-32 64 96 128 160 192 224 256 288 320 352 384 416 448 480
.001 .500 .032 .013 .016 .009 .009 .009 .020 .017 .006 .009 .009 .007 .003
512 544 576 1024 1536 2048 2560 3072 3584 4096 4608
.008 .004 .088 .042 .188 .000 .000 .000 .000 .000 .000
peer1.wdc1#sh ip ca flow
IP packet size distribution (12535M total packets):
1-32 64 96 128 160 192 224 256 288 320 352 384 416 448 480
.000 .646 .045 .010 .010 .005 .006 .005 .015 .013 .015 .009 .005 .005 .003
512 544 576 1024 1536 2048 2560 3072 3584 4096 4608
.003 .006 .095 .014 .078 .000 .000 .000 .000 .000 .000
i guess everyone is pinging these days 
-brett